Luminescent paint colourless in daylight for art work

FIELD: chemistry.

SUBSTANCE: disclosed is a colourless luminescent decorative paint containing a luminophor and binder. The luminophor is an organic luminophor with anomalously large Stokes shift which is greater than 100 nm, which is colourless in daylight and luminescent in the visible spectral region when illuminated with a source of UV radiation. The organic binder is a transparent organic substance which does not absorb long-wave ultraviolet radiation in the 365-420 nm range.

EFFECT: obtaining fast and stable luminescent paint which contains a colourless organic luminophor, which enables to create a latent image which appears upon illumination with UV radiation which is invisible in daylight as well as in the dark, in the absence of UV radiation, the paint ensures high strength of the polymer base of the decorative layer of the article obtained using said paint.

13 cl, 8 ex

 

The invention relates to the creation of artistic paints, stable in time, which possess the property of luminescence when irradiated by ultraviolet radiation, and are transparent, colorless, that is invisible in normal daylight. The creation of such paints expands opportunities for artistic creativity, for example, due to the possibility of creating double images on the same basis. This paint allows you to create a latent image on the surface of a picture made conventional paints. Through transparency in daylight artistic paints, proposed in this invention, the latent image does not distort either the figure or the color gamut of the primary image is done with ordinary paints. When this latent - latent image manifests itself only in terms of lighting source of ultraviolet radiation. Under the action of ultraviolet radiation image made fluorescent colors, looks more bright and contrast and completely outshines the bottom image is done with ordinary paints. Therefore, the upper and lower image can have a different plot, figure and color. The viewer sees change image only when changing the light source.

Modern technology has enabled us to provide IP is a full-ultraviolet light and theatre scene, and exhibition halls, and the vast number of discos. In this regard, the idea arose to use in decorative and applied art phosphors, which in contrast to the widely used fluorescent fluorescent pigments do not absorb visible light. In normal lighting, they are white powders, and when illuminated with UV, black light emit blue, green, yellow or red glow.

In 60-ies of the last century artist Emmentaler ("cold light In the world". Moscow, Nauka, 1968) used inorganic phosphors (for picture tubes and fluorescent lighting) when creating paintings and theatrical scenery. On ordinary, visible image he made invisible, fluorescent. Simple replacement of conventional light on the ultraviolet light source to change the image in the picture radically. Summer turned into winter, and besieged Moscow was covered in a victory salute. Unfortunately, inorganic phosphors used Emmentaler, have a number of disadvantages: it is impossible to grind, because they lose their fluorescent properties.

The luminescence of inorganic phosphors associated with a specific structure of the crystal lattice, which comprises an activator. When the destruction of the crystal structure Ismail is the group of luminescence disappears. In addition, these phosphors have very high density and is easily deposited in a binder. Paint with such phosphors is very unstable. Other phosphors at that time was not known.

Example of artistic paint created using inorganic phosphor, can serve as watercolor, described in the author's certificate of the USSR 76789. This paint to ensure luminescence upon irradiation pattern with ultraviolet light as a constituent component contains the phosphor together with pigments and varnishes, not quenching the luminescence of the phosphors, and as the binder, it contains a light gum with sugar Indicom. The transparency of the phosphor in daylight described as a drawback, which is compensated by the additional introduction into the paint visible pigment. The presence of visible pigment does not allow you to use the paint to create a latent artistic image, invisible in daylight, only visible in ultraviolet light.

Currently, the industry produces a wide variety of phosphors both organic and inorganic.

In the art following terminology is used.

Luminescence is non-thermal glow substances that occur after the absorption of excitation energy.

The luminescent glow of the phone includes the phenomenon of photoluminescence is a luminescence under the action of light of the visible and ultraviolet ranges. Photoluminescence, in turn, is divided by the fluorescence with a lasting glow 10-9-10-6with and phosphorescence with the duration of the afterglow 10-3-102C.

The phenomenon of phosphorescence has long been used in the manufacture of paints, glowing in the dark (can't remember the painted phosphorus the hound of the Baskervilles). In addition, the phosphorescent light structures apply for application to scale devices intended for use in poor lighting conditions.

The phenomenon of luminescence is used in fluorescent lamps "daylight" and cathode ray tubes picture tube.

When the photoluminescence excitation source of the phosphor are ultraviolet rays (UV rays) or short-wavelength visible rays of light.

Absorbing UV rays, the phosphor molecules become excited and, returning to the ground state, emit light of longer wavelengths than the absorbed.

Long-wave shift of the maximum of the luminescence relative to the maximum absorption, which is called the Stokes shift (or stoxev shift) usually the number is bleda in the range of 50-70 nm and characterized by nonradiative energy losses in the act of luminescence.

There are cases when it absorbs a photon, the molecule undergoes in the excited state the number of transitions (associated with changing angles and interatomic distances), corresponding to the new electron density distribution, and finds himself on another, located below the excited level. After the light emission, it again undergoes a series of changes, but in the reverse direction. Such cases can occur when in the excited state, the molecule adopts a more planar configuration, or due to the movement of the proton, is the strengthening of the intramolecular hydrogen bond (BBC). Then the magnitude of the Stokes shift increases to 150-200 nm. The Stokes shift, the value of which exceeds 100 nm, called "abnormally large Stokes shift".

The brightness of the phosphor depends on a number of factors, including the power of the excitation source and the absorption intensity. The more quanta of light absorbed by the phosphor molecules, the more rays and radiates.

An important characteristic of the phosphor is the lifetime in the excited state after removal of the excitation source (afterglow). Depending on its magnitude distinguish fluorescence (10-9-10-7C) and phosphorescence (10-4-102C).

Unlike fluorescence, fluorescence prophetic the STV emits the absorbed energy not immediately. More time remissio (afterglow) is associated with "forbidden" energy transitions in quantum mechanics. Because such transitions are observed relatively rarely, remise absorbed radiation passes with lower intensity and for a long time (several hours).

The physical nature of the luminescence is radiative transitions of electrons of atoms or molecules from the excited state to the ground. In this case the cause of their original excitation can serve a variety of factors: external radiation, temperature, chemical reaction, etc.

Organic phosphors by the nature of their luminescence can be divided into two large groups:

- color organic phosphors, visible in daylight;

- colorless organic phosphors with abnormally large Stokes shift.

The magnitude of the Stokes shift is mainly used to characterize the organic luminescence of the phosphors, as it characterizes the change of the energy state of a single molecule in solution.

The concept of the magnitude of the Stokes shift is usually not used for characterization of inorganic phosphors, because it does not apply to the characteristics of the substance in the crystalline state.

The spectrum of emission of the organic phosphor lies in the visible part of the spec is RA in the range of wavelength over 400 nm.

Long-wave UV-a - radiation is not harmful to human health and is used in this invention for excitation of luminescence of the phosphors in the range 365-420 nm. The most common source of ultraviolet radiation with a wavelength 365-366 is, for example, a mercury lamp equipped with an appropriate filter.

If organic phosphor has a Stokes shift between the absorption spectrum and emission spectrum with values less than 100, and absorbs and emits radiation it in the visible spectrum, so is the color, that is, has a visible color in daylight. Such organic phosphor is not suitable for the purposes of implementation of this invention.

If organic phosphor has an abnormally large Stokes shift between the absorption spectrum and emission spectrum with a diameter greater than 100, it absorbs light energy in the ultraviolet part of the spectrum, invisible to the human eye, and emits radiation in the visible part of the spectrum. In the absence of ultraviolet light such phosphor nothing absorbs and does not emit, therefore, is colorless, that is invisible in daylight. Under the action of a source of ultraviolet radiation phosphor with an abnormally large Stokes shift absorbs light energy in the ultraviolet range and immediately emits its delay time is Yeni highlight 10 -6-10-9in the visible part of the spectrum. This kind of organic phosphors is used as a pigment in paints, corresponding to this invention.

For carrying out the invention are suitable only colorless organic phosphors with abnormally large Stokes shift, because only they have the ability to be invisible in daylight. They turn off immediately after turning off the source of ultraviolet radiation and does not have the ability to save the afterglow.

Color organic phosphors may be used as the pigment in this ink because changing the paint color in the visible spectrum and do not provide a latent image.

In accordance with the above inorganic phosphors badly crushed into powder, because the abrasion gradually lose their fluorescent properties, they also have a high density compared to the basis that it is not possible to obtain stable in time the paint, because the paint layers.

The prior art compositions colorless organic phosphors, see patent RU 2247117, but do not know the use of such phosphors for artistic colors. The phosphors of this group are used in forensics for hidden mark the programme items, and for creating ink and printing inks for the protection of securities, documents, banknotes.

Printing inks and printer ink cannot be used by the artist for painting, or for hand painted decorative items because they have a recipe designed for automatic use in the respective printing hardware: printers, printing presses and other printing devices.

Recipe known printing inks are aimed, in particular, the problem of rapid drying of the print, without the blurred image. Quick drying is ensured by the introduction of the binder paint driers and other substances with equivalent properties. Paint dries in a fraction of a second, which is extremely inconvenient for the artist's works, it is not possible to obtain desired colors and shades of color mixing, because the portion of paint dries faster than it can mix with the desired components.

Another integral element of modern printing inks with organic phosphors, and the obstacles to their use as dyes for artistic works, is a component that provides ultra-violet curing printing ink, comprising the monomers and photoinitiator. Complete the work by the artist using colorless fluorescent lamps is nteu paint requires constant illumination of the workplace with ultraviolet light, because otherwise you can't see the picture. The use of printing inks with UV curing in the workplace illuminated with ultraviolet light is not possible.

Thus, this invention relates to formulations of art fluorescent colors, colorless in daylight and fluorescent in the visible spectrum when exposed to a source of ultraviolet radiation is suitable and convenient to carry the artist's paintings and decorative hand-painted products.

The closest analogue of this invention is commercially available at the present time, the "invisible Paint latex latex acrylic art" ("Invisible NaturFluorescent Interior"), the description of which is available on the website: http://luminofor.ru/.

In its composition of this paint contains inorganic photoluminous in the form of strontium aluminate activated with europium, dysprosium and yttrium: (SrAl2O4):Eu,Dy,y, This phosphor is low risk, has a hazard class fourth. The density of this phosphor - 5.0 g/cm3. The pigment containing the phosphor is a powder grey or yellowish-green with a particle size of from 9 to 200 microns. Such inorganic phosphors are well known (see patent RU 2217467 "Stable photoluminous long poles is rising" published 27.11.2003, priority 14.12.2001).

The above paints have a number of disadvantages: phosphor composition (SrAl2O4):Eu,Dy,Y for the preparation of this paint is hard to grind, because the grinding weakens the luminescence, in addition, such phosphors have very high compared with the binder density of 5.0 g/cm3and easily settle in an organic binder. Paint with such phosphors unstable, exfoliate, when using require constant stirring and insufficiently uniform.

The invention is directed to solving the problem of obtaining colorless in daylight resistant fluorescent paint for artistic works, low density, not stratifying and well-mixed with a binder.

The technical result of the invention is to provide a stable fluorescent paint containing colorless organic phosphor, allowing you to create the latent artistic image, manifested in ultraviolet light, invisible in daylight and also invisible in the darkness (in the absence of ultraviolet light).

During the development of this invention was found that the introduction of the art paint organic photoluminous with abnormally large Stokes shift, colorless in daylight, luminescing in the visible areas of the spectrum and in terms of exposure to a source of ultraviolet radiation, increases the stability of the polymer base paint and the resistance of the paint layer products obtained from its use. It is widely known that under the action of ultraviolet light polymeric materials quickly become brittle and fail. However, the introduction of phosphor in a polymeric binder allows you to convert the energy of the ultraviolet light is harmless for polymer radiation in the visible region of the spectrum. Thus, the claimed art paint, and art objects obtained with its use, have a new property in relation to the provision of high resistance and stability over time of its polymer base. Note that the specified property is a new technical result of the present invention.

Currently, there are many glowing luminescent organic compounds, but not every luminous substance suitable for practical use in the formulation of decorative paints. To do this, along with the luminescence of the desired properties such as light resistance, chemical inertness, low solubility in an organic binder, etc. that allows to solve the problem of obtaining a stable composition of the paint.

Colorless in daylight organic phosphors known in the prior art, for example from the following patent the documents: EN 2287007, EN 2247117, EN 2039745, SU 681792, SU 305160, SU 198340, SU 179773, DE 2209872, US 3169129, US 3658817.

In the patent RU 2287007 disclosed water-soluble organic phosphors that do not absorb light in the visible spectrum and fluorescent different colors from blue to yellow-orange under ultraviolet irradiation. The phosphors of this group receive the synthesis of compounds - derivatives of a number of 2-phenylbenzoxazole containing acid groups providing solubility in water, and groups forming intramolecular hydrogen bond. The presence of the intramolecular hydrogen bonds leads to anomalously large Stokes shift, which is the cause of green, yellow or orange fluorescence of compounds that do not absorb in the visible region of the spectrum.

Examples of water-soluble organic phosphors are the following connections:

- the sodium salt of 4-(4-chloro-6-[(3-sulfophenylazo)-1,3,5-triazinium])-3-(benzo[d]thiazol-2-yl)benzosulfimide;

- pentesilea salt of 4-(4,6-bis-diacetylene-1,3,5-triazine-2-ylamino)-3-(benzo[d]thiazol-2-yl)benzosulfimide;

- disodium salt of 4-(4-(2-(benzo[d]thiazol-2-yl)-4-sulfophenylazo)-6-chloro-1,3,5-triazine-2-ylamino)-3-(benzo[d]thiazol-2-yl)benzosulfimide;

- disodium salt of 4-(4-(2-(benzo[d]thiazol-2-yl)-4-sulfophenyl-amino)-6-morpholino-1,3,5-triazine-2-ylamino)-3-(benzo[d]thiazol-2-the l)benzosulfimide;

- trinacria salt of 4-(4,6-bis-(carboxymethylamino)-1,3,5-triazine-2-alamin)-3-(benzo[d]thiazol-2-yl)benzosulfimide;

- the sodium salt of 4-(4,6-dichloro-1,3,5-triazine-2-ylamino)-3-(benzo[d]oxazol-2-yl)benzosulfimide;

- TRAMONTINA salt of 4-(4-chloro-6-diacetylene-1,3,5-triazine-2-ylamino)-3-(benzo[d]oxazol-2-yl)benzosulfimide and other

Compared with previously known colorless organic phosphors optical brighteners, with only the blue fluorescence, these phosphors fluoresce in the region from blue to yellow-orange color and can be used as components of fluorescent dyes, colorless in daylight. However, soluble dyes are often used in ink than in art or in printing inks.

In the patent RU 2247117 also disclosed are compositions colorless organic phosphors yellow glow. The described connection - 2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d][1,3]oxazin-4-one, which is colorless yellow phosphor glow. Also described method thereof, which consists in obtaining the first stage of 2-(2-AMINOPHENYL)-benzo-[d][1,3]oxazin-4-she's from Anthranilic acid and chloride tiomila with subsequent interaction of the compounds with chloride cianuro. The maximum fluorescence powder connections soo is the same as 560 nm. This compound is difficultly soluble in most organic solvents and can be used as a fluorescent pigment.

In the patent RU 2039745 revealed the composition of organic phosphors green or yellow-green fluorescence with an abnormally large Stokes shift, consisting of 2-(2-arylsulfonamides)-4H-3,1-benzoxazin-4-ones.

Of the above sources also known colorless organic phosphors:

- O-totalmessageseries 2.5 diaryl-1,3,4-oxadiazole that being colorless in daylight as in the solid state and in organic solvents fluorescent when irradiated by ultraviolet light in the visible region of the spectrum with wavelength 11430-12330 cm-1.

Substituted 2-(2'-arylsulfonamides)-4H-3,1-benzoxazine-4 - this compound is colorless in daylight, with the spectra of luminescence of yellow and orange glow.

Connection 6-oxo-2[2'-(4”-toluensulfonyl)-phenyl]-benzo[a-4,5]-1,3-oxazin is lumogen, fluorescent yellow-green region of the spectrum.

Connection 2-[2'-(β-naphthalenesulfonyl)-phenyl]-3,1,4H-benzoxazin-4-he - can be used as a phosphor, fluorescent in the green region of the spectrum.

Substituted 2-(2-hydroxyphenyl)benzazolyl.

Substituted 2-(2-acylaminoalkyl)-4(3H)-hintline.

- C is displaced 2-(2-hydroxyphenyl)-4(3H)-hintline.

The compound 4,4'-bis(2-phenyl-5-hydroxypyrimidine.

The lack of these substances staining in daylight allows you to enter them in the colored composition without color distortion of the latter.

The invention consists in creating a colourless art fluorescent paint containing a phosphor and a binder, the phosphor contains organic phosphor with an abnormally large Stokes shift with a diameter greater than 100 nm, colorless in daylight and luminescense in the visible spectrum when irradiated by a source of ultraviolet radiation, and as the organic binder contains a transparent organic material, does not absorb long-wave ultraviolet radiation in the range 365-420 nm. Binder is chosen with regard to the requirement that it not extinguished the glow phosphor and do not interact in the form of a chemical reaction with the pigment ink.

As the transparent organic binder colorless art fluorescent paint contains varnish, or glue, or gel, or wax, or oil, do not absorb UV radiation in the range 365-366 nm.

Declared colorless art fluorescent paint fluorescent in the visible spectrum when exposed to a source of ultraviolet radiation with a wavelength of 365-36 nm.

Colorless art fluorescent dye as an organic phosphor contains colorless photoluminous selected from the group including:

2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d][1,3]oxazin-4-one,

2-(2-arylsulfonamides)-4H-3,1-benzoxazin-4-one,

On-totalmessageseries 2.5 diaryl-1,3,4-oxadiazole,

substituted 2-(2'-arylsulfonamides)-4H-3,1-benzoxazine-4,

6-oxo-2[2'-(4"-toluensulfonyl)-phenyl]-benzo[a-4,5]-1,3-oxazin,

2-[2'-(β-naphthalenesulfonyl)-phenyl]-3,1,4H-benzoxazin-4-one,

substituted 2-(2-hydroxyphenyl)benzazolyl;

substituted 2-(2-acylaminoalkyl)-4(3H)-hintline;

substituted 2-(2-hydroxyphenyl)-4(3H)-hintline;

4,4'-bis(2-phenyl-5-hydroxypyrimidine.

Organic phosphors of this group have abnormally large Stokes shift to a higher value than 100 nm, preferably in the range of 150-200 nm, and the density are in the range of 1.0-1.1 g/cm3close to the density of the binder of the paint, allowing the suspension, obtained by their introduction in the junction is stable and does not separate.

These organic phosphors are produced in Russia under the brand name "Olum", for example organic phosphor green glow "Olum white T" composition: 2-[2'-(β-naphthalenesulfonyl)-phenyl]-3,1,4H-benzoxazin-4-one, an organic phosphor, a yellow-selenag the glow "Olum white T" composition: 6-oxo-2[2'-(4"-toluensulfonyl)-phenyl]-benzo[a-4,5]-1,3-oxazin, organic phosphor yellow glow "Olum white T" composition: 2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d][1,3]oxazin-4-one, organic phosphor blue glow "Olum white T" composition: 2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d][1,3]oxazin-4-one, and organic photoluminous red glow "Orlom white T containing organic compound of europium with dibenzoylmethane and platamona in the ratio 1:4:1. Organic phosphors brand "Olum" is widely available on the market and come in the form of colorless powder, ready for use as an appropriate pigment.

Colorless art fluorescent paint contains components in the following ratio (wt.) %:

colorless organic phosphor 5-95

transparent organic binder,

not absorb long-wave ultraviolet radiation in the range 365-420 nm - rest.

Preferably colorless art fluorescent paint contains components in the following ratio (wt.)%:

colorless organic phosphor 20-50

transparent organic binder,

not absorb long-wave ultraviolet

radiation in the range 365-420 nm - rest.

To obtain colorless acrylic paint red glow declared paint contains as the e of the organic pigment red phosphor glow "Olum white T", containing organic compound of europium with dibenzoylmethane and platamona in the ratio 1:4:1, taken in an amount of 20-50 wt.% and acrylic lacquer as a binder - rest.

To obtain colorless acrylic paint of the selected color glow declared paint contains organic phosphor selected from the group including:

organic green phosphor glow "Olum white T"containing 2-[2'-(β-naphthalenesulfonyl)-phenyl]-3,1,4H-benzoxazin-4-one;

organic phosphor, a yellow-green glow "Olum white T"containing 6-oxo-2[2'-(4"-toluensulfonyl)-phenyl]-benzo[a-4,5]-1,3-oxazin;

organic phosphor yellow glow "Olum white T"containing 2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d] [1,3]oxazin-4-one;

organic phosphor blue glow "Olum white T"containing substituted 2-(2-hydroxyphenyl)benzazoles, specifically 2-(2-hydroxyphenyl)benzimidazole or a combination of several of these phosphors of different colors glow in the amount of 20-50 wt.% and acrylic lacquer as a binder - rest.

To obtain colorless plastisol inks specified colors for screen printing and printing on fabric or paper declared paint contains 20-50 wt.% organic phosphor specified colors or a combination of several is toluenethiol different colors to get the desired color shade and plastisol based or glitter lacquer - the rest of it.

To perform artistic works in ceramics or stone declared paint contains 20-50 wt.% organic phosphor specified colors or a combination of several phosphors of different colors to get the desired color shade and cold enamel or lacquer for ceramic or stone - rest.

To complete the art work on wood declared the paint contains 20-50 wt.% organic phosphor specified colors or a combination of several phosphors of different colors to get the desired color shade and polyurethane varnish, urethane-alkyd, alkyd, oil, water, nitro lacquer or other lacquer for wood work - rest.

To obtain a relief image or other textured decorative elements declared paint contains 35-45 wt.% organic phosphor specified colors or a combination of several phosphors of different colors to get the desired shade of color and the adhesive is water-based, such as PVA glue (where "PVA glue" GOST 18992-80 is a polymer aqueous dispersion of polyvinyl acetate), or a transparent textured pasta or loop material of the synthetic resin to complete relief or transparent silicone mass - the rest.

To obtain the fluorescent paint or gel using C is revealed to paint in water or fat basis add 20-50 wt.% organic photoluminous specified colors or a combination of several photoluminous different colors to get the desired shade of color.

For carrying out the invention as pigment art paint suitable only colorless organic phosphors with abnormally large Stokes shift, as they allow to obtain latent artistic image, with the ability to be invisible in daylight. They turn off immediately after turning off the source of ultraviolet radiation and does not have the ability to save the afterglow.

Colored organic phosphors may be used as the pigment in this ink because changing the paint color in the visible spectrum, do not allow to solve the problem and get the hidden artistic image.

Inorganic (crystalline, mineral) phosphors unsuitable for the recipe stated paints, although they are used currently in colorless art paints available on the market. Inorganic phosphors badly crushed into powder, because the abrasion gradually lose their fluorescent properties, they also have a high density compared with the base, causing the paint layers. In addition, they did not go off immediately after turning off the source of ultraviolet radiation, and have the ability to save the afterglow, that is to phosphoresce. This property prevents recip is of the desired artist colors and shades of color by additive mixing several colors, because the duration of the afterglow of each of the inorganic phosphors is an individual property of an individual chemical compound included in the mixture. Thus, included in the mixture of phosphors will be off at different times, changing the overall color of the artistic image. For example, a pink face baby can gradually turn yellow, blue, green, etc. until you go out in the dark like a mixed fluorescent paint.

Paint corresponding to the claimed invention lacks this drawback.

To illustrate the claimed invention below is the recipe artistic fluorescent colors, colorless in daylight and luminescense in the visible spectrum when exposed to a source of ultraviolet radiation.

Art colorless in daylight fluorescent dyes are obtained by a combination of organic phosphors with abnormally large Stokes shift, with different binders, as chosen by the transparent organic substances that do not absorb UV radiation in the range 365-366 nm.

Pigments containing these organic phosphors, as a rule, constitute a suspension of organic phosphors or their mixtures in the polycondensation or polymerization resins. Due to the fragility of the resins, to which were suspended phosphors, the pigments can be easily transformed into fine powders with a particle size of 0.002-5 microns.

Resins that serve as the foundations of these pigments, usually resistant to acids and alkali, insoluble in most organic solvents. As curing resin pigment can be selected, for example, urea - or melamine-formaldehyde resin, modified monatomic or polyatomic alcohols or arylsulfonyl. The pigments obtained from resins modified with arylsulfatase, in most cases, brighter, more fragile and lightfastness than the pigments on the basis of other resins.

Example 1. Fluorescent tempera.

To obtain fluorescent tempera mix 18 g of water, 3 g of 15%aqueous solution of carboximetilcelulosa (CMC), 2 g of glycerol or ethylene glycol, 1 g Na-salt butylnaphthalene-1-sulfonic acids or other surface-active substances (surfactants) and 25 g of powder photoluminous - pigment selected from a specified group of organic phosphors with abnormally large Stokes shift with a specific color of light, then for 5 minutes and added 51 grams of polyvinyl acetate dispersions.

Example 2. Fluorescent gouache.

Get fluorescent paint of the following composition (wt.%):

Organic photoluminous selected from the group of organic

phosphors with abnormally large add the d Stokes

with a given light color35-45%
The plasticizer (glycerin or ethylene glycol) -7-13%
Surfactant (dispersant NF or alizarin oil)-1,1-3,2%
Water- the rest is up to 100%.

(Hereinafter referred to as "dispersant NF" technical GOST 6848-79 is a product obtained by sulfonation of naphthalene with sulfuric acid followed by condensation with formaldehyde and neutralized with caustic soda).

To obtain fluorescent gouache above take part 42 g of powder specified phosphor - pigment, 2.8 g of dispersant NF, 4.5 g of carboximetilcelulosa (CMC), is mixed with 40 ml of water and 10 g of glycerin, clobber on courante. Get 99 g of paint.

You can also add phosphor in ready, commercially available colorless binder which is selected depending on the material, which is applied luminescent composition, if the binder meets the condition: do not extinguish the glow of the selected phosphor.

Example 3. Colorless acrylic paint red glow for drawing on the canvas, paper, fabric, or wall.

To get this paint takes 30 is powder organic phosphor red glow "Olum white T" (complex of europium with dibenzoylmethane and platamona in the ratio 1:4:1) or "Lumilux Orange CD 764 (europium complex with 2-hydroxyquinolin-4-carboxylic acid) pound in a mortar with 70 g of acrylic lacquer (lacquer acrylic waterborne colorless, firm Lakra) until smooth. Get 100 g of colorless acrylic paint red glow.

Similarly, when you use organic phosphor green glow "Olum white T" composition: 2-[2'-(β-naphthalenesulfonyl)-phenyl]-3,1,4H-benzoxazin-4-one get colorless acrylic paint in green fluorescence, using an organic phosphor, a yellow-green glow "Olum white T" (6-oxo-2[2'-(4"-toluensulfonyl)-phenyl]-benzo[a-4,5]-1,3-oxazin) receive colorless acrylic paint yellow-green fluorescence when using organic phosphor yellow glow "Olum white T" (2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d] [1,3]oxazin-4-one) get colorless acrylic paint yellow glow, the organic phosphor blue glow "Olum white T" (substituted 2-(2-hydroxyphenyl)benzazolyl) receive colorless acrylic paint blue glow. Also possible is a combination of several phosphors of different colors to obtain shades of a specified color.

Example 4. Colorless plastisol paint green glow for screen printing and printing on fabric or paper.

To obtain paints take 30 grams of powder organic phosphor green glow "Olum white is T", ingredients: 2-[2'-(β-naphthalenesulfonyl)-phenyl]-3,1,4H-benzoxazin-4-one, pound in a mortar with 70 g plastisol base company Serikol (England) or glitter varnish until smooth. Get 100 g of colorless plastisol green glow.

Example 5. Colourless paint yellow glow on ceramics and stone.

To obtain paints take 30 grams of powder organic phosphor yellow glow "Olum white T", consisting of: 2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d][1,3]oxazin-4-one, pound in a mortar with 70 g of a varnish ("Mattlak", the company Marabu) until smooth. Get 100 g of colorless ink yellow glow. When creating paint on ceramics using cold enamels and varnishes for use on ceramics and stone.

Example 6. Colorless fluorescent ink blue glow of the tree.

To obtain paints take 30 grams of powder organic phosphor blue glow "Olum white T", consisting of substituted 2-(2-hydroxyphenyl)benzimidazole, pound in a mortar with 70 g of urethane-alkyd varnish ("Unika super," the company Tikkurila, Finland) until smooth. Get 100 g of colorless ink blue glow. Wood used: polyurethane varnish, urethane-alkyd, alkyd, oil, water, nitro, etc.

Phosphors selected group as well mixed with textured pastes, contours for terrain and adhesives, such as glues on aq is th basis or based resins. As an adhesive water-based used PVA glue (GOST 18992-80), which is a polymer aqueous dispersion of polyvinyl acetate.

Example 7. Colorless fluorescent textured paint to obtain a relief pattern or other decorative tasks.

To obtain paints take 40 g of the powder of the organic phosphor, a yellow-green glow "Olum white T", composition: 6-oxo-2[2'-(4"-toluensulfonyl)-phenyl]-benzo[a-4,5]-1,3-oxazin, pound it in a mortar with 60 g of PVA glue (universal company "Aqua") until smooth. Get 100 g of colorless ink yellow-green glow.

Example 8. Colorless fluorescent makeup and gel.

To obtain make-up is selected in accordance with this invention, the phosphor is added to a binder in water or fat basis, and to obtain a gel for hair phosphor added to the corresponding gel.

In particular, in the manufacture of hair gel take 30 g of the powder of the organic phosphor turquoise glow "Olum white T"containing ethyl ether mozillatranslator acid, which is triturated in a mortar with 70 g of gel for hair ("Taft looks" company "Schwarzkopf") until smooth. Get 100 g of colorless gel turquoise glow.

In accordance with the above examples, the preparation of paints was carried out under irradiation with ultraviolet light, as is the control error of making the desired shade of color is visually possible in the conditions of illumination with ultraviolet light.

These examples show that the claimed formulation allows to obtain colorless art fluorescent dye suitable for performing artist by the method of hand-painted paintings and decorative works, containing a phosphor organic phosphor with an abnormally large Stokes shift value of more than 100 of them, colorless in daylight and luminescense in the visible spectrum when irradiated by a source of ultraviolet radiation. As a binder this paint contains a transparent organic material, does not absorb long-wave ultraviolet radiation in the range 365-420 nm.

The invention solves the problem of obtaining colorless in daylight resistant fluorescent paint for artistic works, low density, not stratifying and well-mixed with a binder.

Declared paint, in contrast to the known fluorescent dyes allows you to create a latent artistic image, only visible in ultraviolet light, invisible in daylight. It should be noted that the image obtained using this paint, is not self-luminous, has not happened, has no period of afterglow in the dark. That is, the image obtained using the use of this paint, not glow in the dark without UV illumination.

During the development of this invention was found that the introduction of the art paint organic photoluminous with abnormally large Stokes shift increases the stability of the polymer base paint and the resistance of the paint layer products obtained from its use.

Thus, the claimed art paint, and art objects obtained with its use, have a new property in relation to the provision of high resistance and stability over time of its polymer base.

Additionally, we note that this paint is environmentally friendly, harmless to human contact.

When disposing of this paint and its products is not contaminated environment, as in the oxidation of organic phosphors are decomposed to water and carbon dioxide and in contrast to inorganic phosphors does not contain heavy metals.

1. Colorless art fluorescent paint containing a phosphor and a binder, characterized in that the phosphor contains organic phosphor with an abnormally large Stokes shift with a diameter greater than 100 nm, colorless in daylight and luminescense in the visible spectrum when irradiated by a source of UV emitted by the I, and as the organic binder contains a transparent organic material, does not absorb long-wave ultraviolet radiation in the range 365-420 nm.

2. Colorless art fluorescent dye according to claim 1, characterized in that the transparent organic matter it contains the varnish or glue, or gel, or wax, or oil, do not absorb UV radiation in the range 365-366 nm.

3. Colorless art fluorescent dye according to claim 1, characterized in that it luminesce in the visible spectrum when exposed to a source of ultraviolet radiation with a wavelength 365-366 nm.

4. Colorless art fluorescent dye according to claim 1, wherein the organic luminescent material it contains colorless photoluminous selected from the group including:
2-[2-(4,6-dichloro-[1,3,5]triazine-2-ylamino)-phenyl]-benzo[d]
[1,3] oxazin-4-one,
2-(2-arylsulfonamides)-4H-3,1-benzoxazin-4-one,
on-totalmessageseries 2.5 diaryl-1,3,4-oxadiazole,
substituted 2-(2'-arylsulfonamides)-4H-3,1-benzoxazine-4,
6-oxo-2 [2'-(4"-toluensulfonyl)-phenyl]-benzo[α 4,5]-1,3-oxazin,
2-[2'-(β-naphthalenesulfonyl)-phenyl]-3,1,4H-benzoxazin-4-one,
substituted 2-(2-hydroxyphenyl)benzazolyl;
substituted 2-(2-acylaminoalkyl)-4(3H)-hintline;
substituted 2-(2-hydroxyphenyl)-4(3H)-hin Solyony;
4,4'-bis(2-phenyl)-5-hydroxypyrimidine.

5. Colorless art fluorescent dye according to claim 4, characterized in that it contains components in the following ratio, wt.%:

colorless organic phosphor5-95
transparent organic binder,the
not absorbing long-wave ultraviolet
radiation in the range 365-420 nmrest

6. Colorless art fluorescent dye according to claim 5, characterized in that it contains components in the following ratio, wt.%:

colorless organic phosphor20-50
transparent organic binder,the
not absorbing long-wave ultraviolet
radiation in the range 365-420 nmrest

7. Colorless art fluorescent dye according to claim 6, characterized in that for receiving the Oia colorless acrylic paint red glow it contains as a pigment, an organic phosphor red glow "Olum white T" in the amount of 20-50 wt.% and acrylic lacquer as a binder - the rest of it.

8. Colorless art fluorescent dye according to claim 6, characterized in that to obtain colorless acrylic paint of the selected color glow it contains as a pigment, an organic phosphor selected from the group comprising organic phosphor green glow "Olum white T", an organic phosphor, a yellow-green glow "Olum white T", organic phosphor yellow glow "Olum white T", organic phosphor blue glow "Olum white T" or a combination of several of these phosphors of different colors glow in the amount of 20-50 wt.% and acrylic lacquer as a binder - rest.

9. Colorless art fluorescent dye according to claim 6, characterized in that to obtain colorless plastisol inks specified colors for screen printing and printing on fabric or paper it contains as a pigment 20-50 wt.% organic phosphor specified colors or a combination of several photoluminous different colors to get the desired color shade and plastisol based or glitter varnish - rest.

10. Colorless art fluorescent dye according to claim 6, characterized in that to perform artistic works in ceramics or stone it contains as a pigment 20-50 wt.% organic is about phosphor specified colors or a combination of several phosphors of different colors to get the desired color shade and cold enamel or lacquer for ceramic or stone the rest of it.

11. Colorless art fluorescent dye according to claim 6, characterized in that to perform artistic work on the tree, it contains as a pigment 20-50 wt.% organic phosphor specified colors or a combination of several phosphors of different colors to get the desired color shade and polyurethane varnish, urethane-alkyd, alkyd, oil, water, nitro lacquer or other lacquer for wood work - rest.

12. Colorless art fluorescent dye according to claim 5, characterized in that to obtain a relief image or other textured decorative elements it contains as a pigment 35-45 wt.% organic phosphor specified colors or a combination of several phosphors of different colors to get the desired color shade and glue water-based (PVA), or textured pasta or loop material of the synthetic resin to complete relief or silicone mass - the rest.

13. Colorless art fluorescent dye according to claim 5, characterized in that to obtain the fluorescent paint or gel with its use in water or fat basis add as pigment 20-50 wt.% organic photoluminous specified colors or a combination of several photoluminous different color sveceny is to get the desired shade of color.



 

Same patents:

FIELD: chemistry.

SUBSTANCE: disclosed is a luminescent composition for marking roads, which contains an aluminate type luminescent (phosphorescing) pigment and polymer binder selected from a group comprising: epoxy, urethane, acrylate, alkyd and composite polymer resins. The luminescent pigment is pre-treated in order to protect it from moisture using solutions of reagents selected from a group comprising mono-substituted phosphates, H2SO4, H3PO4, a mixture of tri- or disubstituted phosphates and at least one acid: HCl, H3SO4 or HNO3. Disclosed also is a luminescent paint for making roads, which contains an aluminate type luminescent (phosphorescing) pigment or a luminescent composition and a water or non-water based road paint or enamel. In another version, the luminescent paint is obtained by mixing a pigment which first protected from hydrolysis, polymer binder and a water or non-water based road paint or enamel: - luminescent pigment 2-60; polymer binder 4-20; road paint or enamel 94-20.

EFFECT: invention provides reliable protection of the pigment from hydrolysis, enables regulation of the amount of polymer binder which affects colour characteristics and technological aspects, as well as the size of particles of the luminescent pigment, which is important when mixing the pigment with components of compositions or paints.

4 cl, 8 tbl, 58 ex

FIELD: chemistry.

SUBSTANCE: invention relates to novel (3Z)-4-aryl-4-hydroxy-1-(1,3,3-trimethylindolin-2-ylidene)but-3-en-2-ones of general formula 3: Ar=Ph (a), C6H4Me-n (b), C6H4Cl-n (c), C6H4OEt-n (d), which exhibit fluorescent properties and can be used as products for synthesis of novel heterocyclic systems, as well as substances for marking samples and additives for light-reflecting paints. Synthesis method thereof is described.

EFFECT: obtaining novel compounds.

4 cl, 4 ex

FIELD: paint and varnish coverings.

SUBSTANCE: luminescent enamel contains a mix of solutions of two film-forming components - 50% solution polymethylphenylsiloxane pitch in toluene and 15% solution of a butyl methacrylate copolymer and methacrylic acid or a butyl methacrylate copolymer and amide of methacrylic acid in mixes of organic solvents, a luminescent pigment with long afterglow - strontium-calciumvaluminum silicate, activated by europium and neodymium, if necessary an additional pigment - titanium dioxide or zirconium dioxide, filler - aerosil at the declared proportion of the components. Also the method of obtaining of luminescent enamel and a product, where the described enamel is applied, is described.

EFFECT: allows obtaining coverings with high luminescent effect.

6 cl, 2 tbl, 14 dwg

Luminescent paint // 2329287

FIELD: chemistry.

SUBSTANCE: luminescent paint for treating surfaces of objects contains a film-forming component in a mixture of organic solvents, photoluminescent phosphor and filler. The photoluminescent phosphor used is strontium aluminate, activated europium, dysprosium and yttrium. The film-forming component is a 15% solution of chlorinated polyvinylchloride (CPVC), taken in the ratio 1:1.3-2. The CPVC is made from a mixture of solvents, containing butyl acetate, acetone and toluene in ratio of 1:2:5 respectively.

EFFECT: luminescent paint for treating surfaces of various indicators, especially road signs, the coating of which should have high resistance to long fluorescent lag.

4 cl, 2 tbl

FIELD: electronic engineering, applicable in production of gas-discharge indicating panels.

SUBSTANCE: use is made of pastes, in the production of process of which the filler powder is mixed and ground in and organic solvent taken in amounts respectively 1.5 to 245 percent by mass and 75 to 98.5 percent by mass. To improve the paste quality, the filler powder and organic solvent mix is agitated with addition of balls, 2 to 5 mm in diameter, taken in amounts of 60 to 100 percent of the mix mass,, for preparation of the paste use is also made of am organic binder heated to 45-65 C.

EFFECT: provided forming of components of the gas-discharge panel with a high degree of resolution.

3 cl, 3 ex

FIELD: highway engineering; highways structures and markings.

SUBSTANCE: the invention is pertaining to the field of highway engineering, mainly, to highways structures and markings, in particular, to photoluminescent material for the highways marking and to the highway structure. The invention presents the new photoluminescent material used for marking the highways traffic lanes. The photoluminescent material for the traffic lanes marking is made in the form of the paste containing: from 7 up to 95 mass % of the transparent polymeric component selected from the group consisting of the methacrylic acrylic component, the component of the type of non-saturated polyester, the epoxy component and the component of the silicone type, the photoluminescent colorant component with the average diameter of particles from 10 up to 2000 microns selected from the group composed of the material of the type of strontium aluminate and the material of the zinc sulfide type, and including at least one additional colorant component with the average diameter of the particles from 0.1 up to 40 microns selected from the group consisting of the white colorant, the yellow colorant and the orange or red colorant. At that the ratio of the mass of the photoluminescent colorant component and the mass of the additional colorant components makes of no more than 3.0. The invention also describes the highway structure containing the indicated photoluminescent material. The offered photoluminescent material for the traffic lanes marking possesses the required wear-resistance and resistance to the atmospheric effects, and also obtains the effective photoluminescence and may be used not only for the white lines, but also for the lines of various colors, and the covered with it lines are not slidable.

EFFECT: the invention ensures, that offered photoluminescent material for the traffic lanes marking is wear-resistant, resistant to the atmospheric effects, has the effective photoluminescence, may be used for making the white lines and the various colors lines and such lines are not slidable.

16 cl, 9 tbl, 13 ex

The invention relates to the field of organic chemistry, namely to new individual compounds of class benzoxazines that exhibit fluorescent properties and can be used as starting products for the synthesis of new heterocyclic systems, as well as substances for sample labeling and additives for reflective paints

The invention relates to the field of organic chemistry, namely to new individual compounds of class oxazino that exhibit fluorescent properties and can be used as starting products for the synthesis of new heterocyclic systems, as well as substances for sample labeling and additives for reflective paints

The invention relates to a paint coating of the fluorescent type, namely the composition of a water-dispersible fluorescent fluorescent paint can be used for applying the signal label to paint the road, navigation, aerodrome signs and may find wide application in various industries and agriculture

The invention relates to the production of fluorescent fluorescent pigments, which can be used for coloring plastics, manufacturing brightly coloured advertising polymer films

FIELD: construction.

SUBSTANCE: anti-corrosion protective coating consists of the first element - a single-component moisture-hardened isocyanate primer, which contains at least 75 wt % of a nonvolatile residue and 6…8 wt % of isocyanate groups. The second element is a thick-layer external coating, to produce which a double-component polyurea-urethane mastic is used, containing an isocyanate prepolymer on the basis of diphenyl methane diisocyanate with mass portion of NCO-groups making 15…17% and dynamic viscosity at the temperature of (20±3)°C - 3…10 Pa·s, and the component it hardens with active atoms of hydrogen with hydroxyl number making 95…105 mgKOH/g, mass portion of total titrated nitrogen of 4.2…4.5%, containing a mixture of simple or complex polyester diol with molecular weight of 800…1000 c.u., sterically hindered diamine with amine number of 12…16.7%, oxypropylated ethylene diamine with hydroxyl number of 640…800 mgKOH/g and liposoluble organic pigments, at the ratio of isocyanate prepolymer to a component with active atoms of hydrogen, which ensures hardening of a thick-layer external coating until the required level of operational characteristics is produced.

EFFECT: coating ensures high level of adhesion, resistance to cathode lamination with preservation of the main physical-mechanical indices and ecological safety in process of insulation works.

3 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to compositions based on silane-functional polymers, which are suitable for adhesive binding, sealing and coating porous substrates. The composition contains at least one silane-functional polymer, at least one organosilane and at least one organotitanate. The silane-functional polymer is a silane-functional polyurethane polymer or can be obtained through hydrosilylation of polymers, having terminal double bonds. The organosilane contains at least one sulphur atom. The organotitanate has ligands bound to a titanium atom through an oxygen-titanium bond. The ligands are selected from a group consisting of an alkoxy group, a sulphate group, a carboxylate group, a dialkylphosphate group and an acetylacetonate group. Content of the organotitanate in the composition is between 0.1 and 10 wt %. Content of the organosilane in the composition is between 0.1 and 7 wt %. The composition also contains at least one filler, content of which is between 10 and 70 wt %. The composition is used for binding, sealing and coating substrates made from concrete, mortar, brick, tiles, plaster, natural stone such as granite or marble, glass, glass-ceramic, metal or metal alloy, wood, plastic and lacquer.

EFFECT: obtained article, which is bound, sealed or coated using the composition, is a building structure, more specifically a building or civil construction structure; the composition guarantees efficient adhesion to a substrate even after storage in the presence of water.

17 cl, 1 tbl

FIELD: chemistry.

SUBSTANCE: present invention relates to a method of preparing an aqueous agent for applying coating, as well as an aqueous agent obtained using said method, and use thereof as binder in single-component (1K)-systems and a two-component (2K)-system, and for obtaining a coating on soaking substrates. The method involves the following: (I) polyurethane dispersion which is free from solvent and N-methylpyrrolidone is prepared, where the solvent free dispersion is a dispersion containing 0.9 wt % or less solvent, and the polyurethane dispersion (I) is simultaneously or separately mixed with (II) 1-7 wt % monohydroxyl-functional ethylene- or propyleneglycol ester, as well as (III) other lacquer additives. Wherein I.1) at the first step a NCO-prepolymer solution is obtained in a solvent with concentration of 66-98 wt %, where the solvent has boiling point lower than 100°C at nominal pressure, by reacting: (a) one or more polyisocyanates, (b) one or more polyols with average molecular weight Mn 500-6000, (c) one or more polyols with average molecular weight Mn 62-500, (d) one or more compounds containing a ion group or capable of forming an ion group and the NCO-prepolymer is free from a non-ionic hydrophilisising agent; I.2) at the second step the NCO-prepolymer I.1) is dispersed in water, where before, during or after dispersion, ion groups are at least partially neutralised; I.3) at the third step the chain is elongated by (e) one or more polyamines with average molecular weight Mn less than 500; and l.4) at the fourth step, the solvent is completely removed by distillation.

EFFECT: obtaining an aqueous agent for applying a coating, having improved film-forming properties, as well as obtaining coatings therefrom, having good chemical resistance and pendulum hardness higher than 75 seconds.

13 cl, 5 ex, 4 tbl

FIELD: chemistry.

SUBSTANCE: present invention relates to a polyurethane dispersing resin, primarily having a polyurethane chain which contains hydrophilic groups of the side chain based on polyalkylene oxide, where groups of the side chain are covalently bonded to the polyurethane backbone chain, and where content of polyalkylene oxide in the polyurethane dispersing resin is at least 45 wt % and not more than 80 wt %. Polyurethane also contains hydrophobic groups on the side chain, which are covalently bonded to the polyurethane backbone chain. The invention also describes a coating composition containing said polyurethane dispersing resin, methods of preparing said composition and use of the polyurethane dispersing resin to prepare a composition for mixing with a pigment.

EFFECT: providing a polyurethane dispersing resin which enables to prepare concentrates of pigments, which can be easily included in a coating composition, in which pigments are stably dispersed, as well as possibility of obtaining pigment compositions with a wide range of pigments and obtaining dyes having excellent properties and stability, especially hard-to-disperse and stabilised pigments.

24 cl, 16 ex, 4 tbl

FIELD: chemistry.

SUBSTANCE: invention relates to a coating composition containing a) polyacrylate polyol obtained via polymerisation of unsaturated olefin monomers, where at least 40 wt % of the monomers include straight or branched alk(en)yl or alk(en)ylene groups, having at least 4 carbon atoms; b) polyether polyol obtained via esterification of component links having functional groups which form an ester, where at least 30 wt % of component links include straight or branched alk(en)yl or alk(en)ylene groups with at least 4 carbon atoms per functional group, which forms an ester, where he polyether polyol has hydroxyl number higher than 280 mg KOH/g and hydroxyl functionality of at least 2, and c) isocyanate-functionalised cross-linking agent. The invention also relates to a set of parts for preparing the coating composition and a method of applying the coating composition. The coating composition can be used as a top coating layer in multilayer paint coats, in finishing or reworking automobiles or large vehicles.

EFFECT: coating has high hardness, scratch resistance, lustre, longevity and wear resistance, chemical resistance and UV radiation resistance.

15 cl, 6 tbl

FIELD: chemistry.

SUBSTANCE: composition includes a polymer mixture which contains a) an aqueous dispersion of at least one polysiloxane and b) an aqueous dispersion of at least one polyurethane, in which content of the said at least one polysiloxane polymer varies from approximately 50 to 85 wt %, and content of the said at least one polyurethane varies from approximately 15 to 50 wt %, in terms of total weight of solid substances of the said at least one polysiloxane polymer and the said at least one polyurethane and c) polyolefin powder with ultrahigh molecular weight in amount of approximately 5-35 pts. wt per 100 total parts by weight of the said at least one or more polysiloxanes and the said one or more polyurethanes. The said polyurethane is obtained from at least one aliphatic or cycloaliphatic diisocyanate and at least one hydroxyl ending intermediate compound such as polycarbonate, polyester or polyether or combination thereof, and is heat-curable. The said aqueous dispersion contains approximately 7 wt % or less of an organic solvent in terms of total weight of the said dispersion composition, and the said polymer mixture contains from approximately less than 10 to 0 parts by weight of a substance for increasing adhesiveness per 100 total parts by weight of the said at least one polyurethane and the said at least one polysiloxane; and contains from approximately less than 10 to 0 parts by weight of a halogen-containing polymer per 100 total parts by weight of the said at least one polyurethane and the said at least one polysiloxane. The invention also describes versions of a polymer or rubber substrate and versions of a sealant for vehicles, at least partially coated with the dried composition described above.

EFFECT: low noise level when substrate coated with the said composition moves or is in contact with an article, as well as obtaining a surface with low coefficient of friction which does not increase with time.

17 cl, 14 ex, 10 tbl, 1 dwg

FIELD: chemistry.

SUBSTANCE: polyurethane material contains a first part of crystalline particles, having self-orientation and bonded so as to keep their orientation along a first crystallographic line at least in two directions, a second part of crystalline particles having self-orientation and bonded so as to keep their orientation along a second crystallographic line at least in two directions, wherein the first crystallographic line is different from the second crystallographic line and where the said crystalline particles constitute more than approximately 30% of the total volume of the polyurethane material, and where the polyurethane contains a product of reaction of components comprising: (a) approximately 1 equivalent of 4,4'-methylene-bis(cyclohexylisocyanate); (b) approximately 0.3 of a trimethylolpropane equivalent; and (c) approximately 0.7 of a butanediol or pentanediol equivalent, and where the polyurethane material undergoes thermal treatment at temperature ranging from approximately 35°C to approximately 150°C or holding.

EFFECT: production of polyurethane material, products of which are made through casting or reaction injection moulding and have good optical properties, high resistance to impact loads, high impact resistance, high K-ratio, good ballistic stability, good resistance to solvents and good weather resistance.

26 cl, 110 ex, 33 tbl, 26 dwg

FIELD: chemistry.

SUBSTANCE: disclosed is an aqueous polyurethane dispersion which does not contain N-methylpyrrolidone and solvents and contains a product of reaction of a mixture of 1-isocyanate-3,3,5-trimethyl-5-isocyanatemethylcyclohexane and 4,4'-diisocyanatedicyclohexylmethane, one or more polyols with average molecular weight of 500-3000, one or more compounds with at least one OH- or NH- functional group, which contain a carboxyl and/or carboxylate group, where at least 50 mol % acid incorporated in the overall resin consists of dimethylol propionic acid, one or more polyols and/or polyamines with average molecular weight less than 500 and, if necessary, one or more monoalcohols and/or monoamines, as well as preparation method thereof and use thereof as an agent for coatings having good resistance characteristics.

EFFECT: obtaining a polyurethane dispersion which does not contain N-methylpyrrolidone and solvents, and contains a hydrophilization agent in form of dimethylol propionic acid, which can be stored for over 8 weeks and is suitable for making transparent shining coatings with high resistance to dyes.

8 cl, 2 tbl, 8 ex

FIELD: chemistry.

SUBSTANCE: invention relates to aqueous coating compositions with low content of volatile organic compounds. The aqueous coating composition contains water, oxidative-curable resin, at least 1.5% of the weight of the composition of a non-structured alkali-soluble acrylate, having weight-average molecular weight Mw of 200000 g/mol or lower, and acid number of at least 15 mg KOH/g; and an emulsified second acrylate having Mw of at least 300000 g/mol. Content of the alkali-soluble acrylate in the composition is equal to at least 3 wt %. The weight ratio of the alkali-soluble acrylate to the second emulsified acrylate ranges from 1:0.5 to 1:5, and the weight ratio of the alkali-soluble acrylate to the oxidative-curable resin ranges from 1:0.5 to 1:10. The oxidative curable resin is an alkyd resin, alkyd-urethane resin. The second acrylate is cross-linkable, for example azomethine cross-linkable links.

EFFECT: aqueous coating composition has good physical and mechanical properties.

9 cl, 3 ex

FIELD: chemistry.

SUBSTANCE: invention relates to polyurethanes and articles made from said polyurethanes, as well as to laminated material and coating composition containing such polyurethanes. The polyurethane is a product of a reaction between components which contains less than approximately 10 wt % polyesterpolyol and/or polyetherpolyol, where the components are selected from: (a) approximately 1 equivalent of at least one polyisocyanate; (b) approximately 0.05-0.9 equivalent of at least one branched polyol which contains 3-18 carbon atoms and at least 3 hydroxyl groups; and (c) approximately 0.1-0.95 equivalent of at least one diol which contains 2-18 carbon atoms, where during mixing, the reaction components are held at reaction temperature of at least approximately 100°C for at least approximately 10 minutes.

EFFECT: production of polyurethanes, articles of which are made through casting or reaction injection moulding and have good optical properties, high resistance to impact loads, high impact resistance, high K-ratio, good ballistic stability, good resistance to solvents and good weather resistance.

37 cl, 113 ex, 82 tbl, 26 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to aqueous coating compositions with low content of volatile organic compounds. The aqueous coating composition contains water, oxidative-curable resin, at least 1.5% of the weight of the composition of a non-structured alkali-soluble acrylate, having weight-average molecular weight Mw of 200000 g/mol or lower, and acid number of at least 15 mg KOH/g; and an emulsified second acrylate having Mw of at least 300000 g/mol. Content of the alkali-soluble acrylate in the composition is equal to at least 3 wt %. The weight ratio of the alkali-soluble acrylate to the second emulsified acrylate ranges from 1:0.5 to 1:5, and the weight ratio of the alkali-soluble acrylate to the oxidative-curable resin ranges from 1:0.5 to 1:10. The oxidative curable resin is an alkyd resin, alkyd-urethane resin. The second acrylate is cross-linkable, for example azomethine cross-linkable links.

EFFECT: aqueous coating composition has good physical and mechanical properties.

9 cl, 3 ex

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