SUBSTANCE: invention relates to paint materials, particularly to a paint composition used for protective-decorative coating metal surfaces. The protective-decorative paint contains 21-45 wt % alkyd resin based film forming agent, 35-55 wt % specularite with high content of Fe2O3 and particle size less than 30 mcm as pigment, 0.5-1.5 wt % drying accelerator, 1-2 wt % rheological additive, 4-12 wt % filler and organic solvent - the rest. The protective-decorative paint preferably contains film-forming agent in form of modified alkyd film-forming agent, and the rheological additive in form of a surfactant based on TROYSOL fatty amine. The protective-decorative paint also contains a colouring pigment in amount of 0.5-4.5 wt %.
EFFECT: disclosed paint enables to obtain a coating with good protective properties: abrasive wear resistance, corrosion resistance and good decorative effect owing to obtaining a coarse finish with metallic lustre.
5 cl, 2 tbl, 7 ex
The invention relates to paints, varnishes and lacquers, in particular to the colors used for protective and decorative coatings for metal surfaces for interior and exterior finishes, working in the conditions of abrasive wear, operating in harsh environments and weather conditions in different climatic zones.
Known enamel containing film-forming component (A-15-0) - 15% of partially saponified copolymer of vinyl chloride with vinyl acetate in a mixture of organic solvents consisting of butyl acetate, acetone and toluene at a ratio of 1:2:5, specify pigment containing, in wt.% titanium dioxide 9,10-10.30 a.m., yellow iron oxide pigment 1,10-8,8,90, red iron oxide pigment 0,10-0,30 and carbon - rest, a filler in the form of a mixture of micro-talc and Aerosil wt.% 90,0-92,0 and 8,00-10,00 respectively, in the following ratio, wt.%: film-forming component 79,60-87,00; mixed pigment 10,50-18,00; fillers 2,40-2,50 (Patent RU № 2238288, class 09D 127/06, 5/08. Appl. 2003.07.11 application No. 2003121082/04. Publ. 2004.10.20).
However, this enamel is designed to protect only the pre-primed surface has a composition of a pigment, provides insufficient protective and decorative properties, has a long drying time, low durability, contain expensive components.
The world is acrylic paint composition for protective and decorative coatings for metal surfaces parts of machines, appliances, used indoors, the ambient conditions and aggressive environments containing 48-52%solution in toluene of a copolymer of butyl acrylate, styrene and methacrylic acid in the ratio(37,8-38,8):(58,5-59,5):2,7, as the filler is calcium carbonate crystal, and the solvent is toluene and butyl acetate, the thickener is an organic derivative of montmorillonite "Benton SD-2", the dispersant is a mixture of natural phospholipids "vegetable Lecithin or Soy lecithin Nalec 10-F, the plasticizer is dibutyl phthalate (Patent RU # 2314327, class 09 D 133/04, 133/10, 5/00. Appl. 2006.09.20, application No. 2006133695/04. Publ. 2008.01.10).
However, this composition provides insufficient anti-corrosion and decorative properties, a considerable amount of time drying, a small decorative when multicomponent composition.
Closest to the proposed invention is a protective and decorative paint, including film-forming alkyd resin, a pigment, a drying accelerator and an organic solvent, which contains as a pigment white pigment is titanium dioxide and color pigment powder mineral volkonskoit in the following ratio, wt.%:
|The specified film-forming||32-69|
|Accelerator drying - drying||0,1-0,5|
|Organic solvent||the rest of it.|
(Patent RU №2296147, class 09D 167/08. Appl. 01.11.2004,, application No. 2004131584/04. Publ. 27.03.2007, bull. No. 9).
However, this protective and decorative paint contains expensive, rare mineral volkonskoit with grass-green color, which limits its decorative possibilities, significant drying time, provides insufficient corrosion protection and mechanical properties, particularly abrasion resistance.
The technical result of the invention is to obtain a composition satisfying the following requirements:
- significant increase in abrazivostruynoy, anti-corrosion and protective and decorative properties;
- improve the decorative effect, obtaining different degrees of surface roughness with a metallic sheen with a slight drying time.
This technical result is achieved in that a protective and decorative paint, including film-forming alkyd resin, Osment, accelerator drying, the organic solvent further comprises a rheological additive, filler, and pigment - specularite with a high content of Fe2O3and a particle size of not less than 30 μm, in the following ratio, wt.%:
|The specified film-forming||21-45|
|Specularite with a high content of Fe2O3|
|and a particle size of not less than 30 microns||35-55|
|The drying accelerator||0.5 to 1.5|
Protective and decorative paint as a coating agent preferably may contain modified alkyd film. Protective and decorative paint as a rheological additive preferably may contain an additive, representing a surfactant based on fatty amine, for example, the brand TROYSOL.
Protective-de is ortuna paint further comprises a coloring pigment in an amount of 0.5 to 4.5 wt.%. As the coloring pigment may be used a metallic pigment and/or organic dye
For making a protective and decorative paint use:
As the foaming agent any ancesteral resin, but preferably modified, for example:
a) alkyd-phenolic resin grade AMF h (TU LVUTN-40003245470-10-02)company "Biolar" (Latvia), representing a solution thin varnish, a modified Tung oil and phenol-formaldehyde resin containing 59-61% mass fraction of non-volatiles;
b) alkyd-phenolic resin grade AF-033 THE 2311-025-54651722-2002, representing a solution glyptal resin in xylene-modified rosin and phenolic resin containing 53±2% mass fraction of non-volatiles;
C) alkyd-urethane resin grade "Arundina Ophtal-55" TU 2311-030-72311668-2006, representing a solution pentaftalevyh resin in white spirit, modified fatty acids of tall oil and a diisocyanate containing 49±2% mass fraction of non-volatiles;
g) alkyd-styrene lacquer MS-25 (TU 6-10-1403-78), representing a solution in xylene or a mixture of xylene with turpentine alkyd resin, modified styrene and a mixture of drying or semidrying Tung oil.
As a rheological additive can be used, for example, the surface of the but-active agent based on fatty amine brand TROYSOL, TELA-15 TO-061-27991970-04, the company "AutoConvert"representing aminoamide fatty acids in the solvent mass fraction of non-volatiles: 50% (±2).
Preferably the use of imported rheological additive that goes under the trade name TROYSOL company "Troy" (USA), for example, TROYSOL 98C, representing a surfactant based on fatty amine. Additionally, there may be used other rheological additives, for example, organophilic bentonite SD-1, UK manufacturing, soy lecithin THAT 9146-203-00334534-97.
As the filler used, the micro-talc, omyacarb, mikrobasic and others.
As specularite apply any specularity with a particle size of not less than 30 μm, but preferably with a high content of Fe2O3for example:
a) Altai Deposit Ore Log" with the content of Fe2O375-85%, oxides of silicon, aluminum, magnesium and calcium, respectively, not more than 12.5-22,7; 1,8; 0,2; 0,3%;
b) Altai Deposit Ore Log" with the content of Fe2O365-74%, oxides of silicon, aluminum, magnesium and calcium, respectively, not more than 23,7-32,5; 1,8; 0,2; 0,3%;
in) Altai Deposit Ore Log" with the content of Fe2O385-94%, oxides of silicon, aluminum, magnesium and calcium, respectively, not more than 3.7-12,7; 1,8; 0,2; 0,3%;
g) brand Miox company Karntner Montanindustrie (AB is Tria), containing Fe2O385 - 94%, Al2About3- 2-3%, MgO - 1-2%, Ca - 0,3%, SiO2- 3-6%, Pb<0.1%;
d) brand Nubifer firm "Nubiola" (Spain)containing Fe2O389-94%, Al2About3to 1.9%, MgO Of 0.1%, Ca - 0,4%, SiO2- 4,2%, K2O 0,2%.
As organic solvents used, for example, xylene, white spirit, butyl acetate, and others.
As a drying accelerator is used, for example:
a) desiccant "rainbow" - 3.1 on THE 2311-001-59344679-04 with a mass fraction of metals: Pb 13,0-17,0%, Zn 2.5-6.5%, Co 0,8-1,2%;
b) desiccant brand LB-2, the company "Biolar", Latvia with a mass fraction of metals: Pb 15,0±0,3%, MP 0,9±0,1%, With 1,2±0,1%;
C) desiccant brand Octagon 1,2,3 (With 0,5; 1,0 MP; Zn 2,0) THE 2311-001-79229214-2007 and others.
As the coloring pigment may be used a metallic pigment, for example, bronze powder brand MIC (TU 48-21-721-84) or organic dye, for example, blue ftalotsianinaty (15:3) THE 2463-014-40476089-2001, scarlet (THE 6-14-318-84) and others. The number of additional pigment depends on the desired color of paint. Thus, it is possible to prepare the paint, which color will match the entire palette of colors.
The essence of the invention lies in the fact that the proposed combination of components with specularite with a particle size of not less than 30 μm as a percentage provide reliable protective properties: abrasion resistance, stand is here to corrosion and improve the decorative effect due to a rough surface with metallic luster. The degree of surface roughness is determined by the particle size of specularite.
Coating color can be changed to any other by additionally introducing metallic pigments or organic dyes, with roughness and angular metallic luster of coating remains.
Thus, the proposed protective and decorative paint comprising a film-forming alkyd resin drying accelerator, an organic solvent, rheological additives, fillers, specularite with a particle size of not less than 30 μm, the proposed percentage of components, which established empirically, in combination provides a synergistic effect, manifested in enhancement decoration, quantitative indicators of protective properties, reducing drying time at low cost in comparison with the prototype.
The optimal particle size of specularite to achieve an enhanced decorative effect is 200 μm.
Protective and decorative paint is prepared by mixing dissolvere further run through the bead mill type "Neitsch in the estimated amount of the polymer solution film-forming substance in an organic solvent, fillers, organic dye for at least 45-60 minutes before milling is not more than 40 μm on device "grindometer", ZAT is add specularity, rheological additive, a drying accelerator, a metal pigment and the composition additionally stirred for 10-15 minutes.
The composition is applied to the metal surface after removal of the only loose part of the rust with a wire brush by means of air or airless spray, brush, roller. The thickness of a coating layer is 30-40 microns.
The invention is illustrated in the examples in table 1. The drying time of the composition to the extent of 3 at a temperature of (20±2)°C not more than 45-60 min and at a temperature of (80±5)°C not more than 10 minutes drying Time is determined according to GOST 19007.
The test results of the composition are shown in table 2. These tables show that the proposed paint exceeds the prototype for the drying time, abrazivostruynoy, anti-corrosion properties, especially to the effects of salt fog.
Higher decorative and protective properties of the proposed paint can also be used in atmospheric and aggressive conditions in areas with temperate and cold-temperate climate.
|Components, wt.%||Prototype to patent No. 2296147||Examples according to the invention|
|a) GF-177||a 50.5||45,0|
|C) AMF 30×60||21,0|
|g) "Arundina Ophtal-55"||35,0||35,0|
|b) brand LB-2||1,5||1,0|
|in) "is aduga"-3.1||0,5||1,2||0,5|
|g) Octagon 1,2,3||0,9||0,9|
|Rheological additive:||is the|
|in Bentonite organophilic|
|a) Deposit Ore Log (particle size 200 μm) Fe2O3|
|b) Deposit Ore|
|Log (particle size 150 μm)|
|C) Deposit Ore Log (particle size 100 μm)|
|g) brand Miox (particle size of 63 μm)||55,0||35,0|
|d) brand Nubifer (particle size|
|b) Omyacarb 2-KA||4,0||4,0|
|C) mikrobasic||to 12.0||7,5|
|b) xylene||8,5||9,4||5,5||of 17.5|
|C) white spirit||10,9||10,9|
|g) butyl acetate||9,1||18,5|
|a) bronze powder brand MIC||3,5|
|b) an organic pigment|
|(blue ftalotsianinaty 15:3)||0,5||1,0|
|The results of the tests|
|Indices||The proposed composition||The prototype for patent|
|Compounds from tables 1||2296147|
|Viscosity by viscometer B3-4 at 20°C, with||56,0||64,0||60,0||68,0||70,0||74,0||68,0||95,0|
|Mass fraction of solids||66,4||69,5||66,0||69,5||62.5||70.5||52,0|
|Drying time to degree 3,||45||45||60||60||60||60||60|
|hour at a temperature of (20±2)°C||min||min||min||min||min||min||min||4 hours|
|The hardness of the coating, the river. units, not less than||0,5||0,5||0,45||0,3||0,46||0,4||0,45||0,5|
|Opacity in terms of raw film (g/m2not more than)||95,0||101,0||100,0||94,4||90,0||89,3||114|
|Resistance to the effects of salt fog, h||360||360||360||360||360||360||360||240|
|The strength of the coating to abrasion abrasive sandpaper (tank weight wear), g/m2||11,5||10,8||10,5||a 12.7||the 10.1||11,1||to 12.0||13,2|
1. Protective and decorative paint, including film-forming alkyd resin, a pigment, a drying accelerator, an organic solvent, characterized in that it further comprises a rheological additive, filler, and pigment - specularite with a high content of Fe2About3and a particle size of not less than 30 μm in the following ratio, wt.%:
|The specified film-forming||21-45|
|Specularite with a high content of Fe2About3|
|and a particle size of not less than 30 microns||35-55|
|The drying accelerator||0.5 to 1.5|
2. Protective and decorative paint according to claim 1, characterized in that as the film-forming preferably contains modified alkyd film-forming.
3. Protective and decorative paint according to claim 1, characterized in that as a rheological additive preferably contains an additive, which represents a surfactant based on fatty amine brand TROYSOL.
4. Protective and decorative paint according to claim 1, characterized in that it further contains a coloring pigment in an amount of 0.5 to 4.5 wt.%.
5. Protective and decorative paint according to claim 4, characterized in that as the pigment preferably contains a metallic pigment and/or organic dye.
SUBSTANCE: invention relates to protective coating compositions. The self-oxidisable protective coating composition contains a liquid aqueous dispersion medium and binder. The binder contains an unsaturated copolymer which contains i) not less than one unsaturated fatty acid of drying oil obtained from a reaction of an unsaturated fatty acid with the epoxy group of an ethylene unsaturated monomer and ii) one or more monomers which copolymerise with i), where not less than 15% of the mass of the binder is in form of microgel. Particles of the microgel have size of 20-750 nm. The unsaturated copolymer has maximum calculated Fox glass transition temperature (Tg) of 8°C. The copolymerising monomer is an acrylic monomer obtained from esters of acrylic and methacrylic acids, esters of acrylic and methacrylic acids and aliphatic or aromatic alcohols, styrene, substituted styrene, vinylcarboxylate esters and olefins selected from ethylene, propylene, butene-1 and styrenes and homopolymers thereof. Described also is a dispersion of particles of an unsaturated copolymer for a self-oxidisable coating, method of preparing the dispersion and a protective coating made from the self-oxidisable composition described above. The method of preparing a dispersion of particles of an unsaturated copolymer involves emulsion copolymerisation of an unsaturated fatty acid of drying oil and copolymerisable monomers using a redox initiation system. Polymerisation takes place at 30-45°C. The redox initiation system is taken in amount of 0.15-0.50% of the total mass of the monomers.
EFFECT: disclosed self-oxidisable composition enables to obtain a protective coating with good physical and mechanical characteristics.
23 cl, 5 tbl, 24 ex
SUBSTANCE: invention can be used in making glass, ceramics, refractory materials, pigments and paints, different construction materials, display screens, monitors and television sets and various devices. The bactericidal oxide coating contains magnesium and/or calcium and/or zinc oxides in total amount of not less than 40 mol % of the total amount of the composition. Binder makes up the rest in form of oxides of the following metals: silicon, iron, titanium, lanthanum. The coating consists of nanoparticles with particle size smaller than 100 nm. An acidic film-forming solution with pH not more than 7 is prepared. A film is deposited on the surface of a solid inorganic material. The coated material is dried. Thermal treatment is carried out at temperature above decomposition temperature of the metal salts but below melting or softening point of the solid inorganic material.
EFFECT: obtaining a transparent coating with enhanced bactericidal properties.
4 cl, 4 dwg, 6 tbl
SUBSTANCE: invention relates to light-reflecting coatings and can be used in space engineering, in various industries, as well as for supplying heat to residential and industrial buildings. The pigment for light-reflecting coatings contains barium titanate in which the titanium cation is partially substituted with a tin ion. Depending on temperature, radiation capacity of such a pigment lies between 0.42 and 0.77 while varying working temperature from -67 to +98°C.
EFFECT: invention enables thermal stabilisation of spacecraft and other equipment.
1 cl, 5 dwg, 3 ex
SUBSTANCE: invention relates to agents for protection against algae fouling of bottoms of ships and hydraulic structures, and specifically to antifouling enamel. When realising the method, benzene sulphonic acid, cyclohexanone, a mixture of salicylic acid and salicylic acid anilide and acetone in ratio of 0.9-0.3:3.2-2.6:2.1-1.5:10.6-9.0 wt % are mixed at 18-22°C for not less than 1 hour. A copper-containing biocide - copper oxide is then added and the mixture is saturated for 25-40 minutes. The obtained mass is treated with 50-60% colophony solution in a solvent at 18-25°C, and then combined with the remaining portion of colophony, film-forming agent epoxy-ether lacquer, copolymer of vinylchloride and vinylacetate, epoxy diane resin, plasticiser - dibutylphthalate, a pigment - zinc oxide, after which the mixture is dispersed to degree of grinding of 50-70 mcm.
EFFECT: slower leaching of copper oxide and reduction of its consumption, as well as increased elasticity of the coating.
1 tbl, 2 ex
SUBSTANCE: disclosed here invention refers to procedure of metal surface coating. According to the procedure there is coated metal surface of substrate at least partially made out of steel. Also in the procedure there is used a substance corresponding to a varnish which forms a layer preventing scale build-up. As a binding the substance contains hydrolysate-condensates of at least one silane and also at least one metal filler and solvent. The substance is applied on surface, dried and thermally hardened, whereupon substrate with coated surface is subjected to thermal treatment at pressure. Also here is disclosed a part of a car, particularly the part of a car body with coating applied on at least part of surface in accordance with the above described procedure.
EFFECT: higher efficiency of layer preventing scale build-up.
19 cl, 3 ex
SUBSTANCE: disclosed polymer composition relates to two-pack compositions. The composition contains of a component A, which contains epoxy diane resin, epoxy aliphatic resin and 1-2 mcm thick basalt flakes with particle size of 0.001-0.2 mm, and a component B which contains a hardener mixture - aromatic oligoamide and basalt flakes.
EFFECT: obtained coating provides good barrier properties, prevents contact of aggressive media with the protected surface, has high wear resistance, is not toxic and has high durability.
1 cl, 1 ex, 3 tbl
SUBSTANCE: nonionic surfactants used are products of reacting polyethylene oxide with fatty alcohol or alkylphenol. The invention also relates to sealing compounds, mortar, plaster and coating mixtures, as well as textiles which contain the said nonionic substance or coated with these substances.
EFFECT: reduced adhesion of microorganisms to surfaces.
12 cl, 7 ex, 2 tbl
SUBSTANCE: invention describes a dry mixture of a polymer composite containing the following (pts. wt): powdered industrial wastes or recycled epoxy resin 50-75, filler - product of mechanical treatment of an abrasive instrument 30-50, modifier - phenolformaldehyde resin 20-30, urotropin hardener 1.6-3.6 and colouring pigment 10-15. A liquid ingredient - ketone group solvent is added immediately before application.
EFFECT: economic and ecological expediency due to use of production wastes, reduction of water absorption of concrete by 10 times while increasing its wear resistance at 11%.
2 cl, 3 tbl, 3 ex
SUBSTANCE: reflective coating composition contains liquid glass as binder and filler in form of zirconium dioxide and magnesium oxide with particle size of 80-120 nm with the following ratio of components in wt %: ZrO2 - 30-55; MgO - 25-35; liquid glass - 20-35.
EFFECT: higher light resistance and reflecting power of the coating.
SUBSTANCE: invention can be used in paint-and-varnish industry. To obtain a composition of metallic pigments, initial metal particles are added to a liquid carrier and the obtained mixture is ground. The liquid carrier is a fatty acid ester R'-COOR in which R' is a saturated or unsaturated aliphatic group containing 9-20 carbon atoms and R is an alkyl containing 1-8 carbon atoms. Paint, ink, plastic and a cosmetic composition containing the obtained metallic pigment composition are disclosed.
EFFECT: invention increases covering power and lustre of paint materials.
18 cl, 8 tbl, 4 ex
SUBSTANCE: invention relates to preparation of coating compositions and can be used in interior finishing and facing paint coatings for wooden and metallic substrates. The coating composition, which is diluted with a solvent, contains alkyd resin having at least 20 wt % vinyl composite blocks and is characterised by fat content less than 65%. Mass ratio of non-vinyl to vinyl groups lies between 1:1 and 4:1. Vinyl groups contains styrene and/or (meth)acrylate groups. The ratio of styrene to (meth)acrylate groups ranges from 0.5:1 to 4:1. Vinyl groups have low polarity. Mw is less than 10000. Fat content is greater than 45%. The alkyd resin in accordance with this invention provides a coating consisting of a composition resulting from a solvent containing less than 300 g/l volatile organic substances.
EFFECT: composition has good rheological properties, required viscosity with low solvent content and short drying period, good strength and longevity.
7 cl, 3 tbl, 8 ex
SUBSTANCE: invention relates to protection and restoration of corroded metal surfaces working under abrasive wearing conditions, used in atmospheric conditions of different climatic zones, in the atmosphere of aggressive media, for example in power engineering, chemical and mining industry when repairing rusty equipment. The anticorrosion coating composition contains the following components in wt %: 21-35% modified alkyd filming agent, 1-2% rheological additive - surfactant based on TROYSOL fatty amine, 0.5-1% siccative, 4-12% filler, 5-10% zinc phosphate, 1-3% rust solvent based on tannins and tannin derivatives, specularite with high content of Fe2O3 and consisting of different fractions, 20-30% specularite of the first fraction with particle size not less than 63 mcm, 6-15% specularite of the second fraction with particle size not greater than 20 mcm, organic solvent - the rest.
EFFECT: proposed composition has good anticorrosion properties, abrasive wear resistance, high durability, is capable of dissolving rust without thorough preparation of the metal surface.
2 cl, 2 tbl, 7 ex
SUBSTANCE: group of invention relates to production of paint and varnish compositions such as enamel, and specifically to production of alkyd-urethane enamel with different colour spectrum, which can be used for protective-decorative coating various types of surfaces. The paint and varnish alkyd-urethane enamel composition contains a combination of at least one alkyd varnish and at least one alkyd-urethane varnish, a pigment component, which is necessary for forming the colour of the enamel, at least one organic solvent, a dispersing agent, a drier and other auxiliary target additives, including at least one rheological additive, anti-film additive, anti-crater additive. The method of producing alkyd-urethane enamel with different colours involves the following stages: possible preparation of separate liquid and granular components, and their batching in accordance with the formulation and consumption rates for the produced amount of enamel, preparation of intermediate products, two-step dispersion, setting "type", step-by-step control. Manufacturing complex for producing alkyd-urethane enamel in form of suspension, containing colouring pigments in a mixture of organic varnish, solvent, lapping compound and target additives, consists of posts which form a hydraulic system fitted with process pipe-lines, where posts are linked with each other according to operations producing the said suspensions and include a post for storing initial dry and liquid components, a post for batching and weighing said components, a post for mixing the components, a dispersing post, a post for setting "type" of the enamel and a post for packing final enamel product.
EFFECT: obtaining alkyd-urethane enamel with good physical and chemical characteristics, which does not flake during storage and does not form surface film and residue.
25 cl, 5 tbl, 1 dwg, 1 ex
SUBSTANCE: preheated oil from a reservoir 9 is loaded into reactor 5 with an agitator 2 and reactor heating thereafter enabled. Dissolved white resin is loaded. After 250°C is achieved, nitrogen feed is disabled, while the reactor 5 is connected to a vacuum network. Pentaerithrit and lead siccative are loaded into the reactor 5. Then a reactor degassing system is disabled with enabled inert gas feeding and continued heating of reaction mixture. After re-etherification process is complete, heating of the reactor 5 is disabled, while the reaction mixture is cooled. Phthalic anhydride and maleic anhydride are loaded into the reactor 5. For simplifying water extraction from the reaction zone, xylene from the reservoir 10 is introduced into the reactor 5 by an industrial pipe-line with a pump 46. Water vapour as an azeotrope mixture, together with xylene vapour are directed to a packed column 26 and a refrigerator 27. Resin from the reactor 5 is discharged to a mixer 11. Solvent vapour generated in resin dissolving is delivered to a heat exchanger 33, wherein condensed and flow down back to the mixer 11.
EFFECT: stable characteristics of technological process and improved fire and environmental safety.
20 cl, 2 dwg
SUBSTANCE: group of inventions refers to making paint compositions, such as enamels, namely, to making various-palette alkyd-urethane enamels to be used for protective decorative coating of various surfaces. Paint alkyd-urethane enamel compositions contain a combination of, at least, one alkyd varnish, and, at least, one alkyd-urethane varnish, dye-forming pigment additive component necessary to form enamel colour, at least, one organic solvent, dispersant, siccative and other auxiliary base additives, including, at least, one rheological additive, antiskinning additive, antidimpling additive. Herewith alkyd-urethane varnish content in the composition is at least 10% of total weight of the specified varnishes and/or at least 8% of paint composition weight.
EFFECT: high stress-strain properties and processing behaviour of produced enamels.
13 cl, 2 tbl, 6 ex
SUBSTANCE: invention concerns paint-and-varnish industry, particularly alkyd varnish production using automated control system of technological process, as well as feeding of bulk components to reactor with explosive medium. Method of alkyd varnish production involves alcoholytic re-etherification of vegetable oil by pentaerythritol with heating in inert gas flow in the presence of catalyst, followed by polyetherification of re-etherification products by phthalic anhydride with heating, water distillation with azeotropic solvent, reaction product - alkyd resin - cooling to 160-180°C, varnish preparation by mixing obtained resin with organic solvent. Re-etherification and polyetherification process is performed in reactor featuring electric induction heating system and connected to technological pipelines with stop valves. Reactor has at least one pipe socket with heat-resistant gate installed in it, and at least two water heat exchangers in the form of worm pipes, mixer, nozzle column, vertical cooler, condenser and separation vessel. Alkyd resin dissolution is performed in mixer with stop valves, mixer, jacket and reverse heat exchanger for condensation and recycling of evaporating solvents in the mixer; vegetable oil dosing and loading to reactor is performed by automated control system, where stop valves of oil feed line are opened and closed by remote controls automatically or steered from control console; dosing and loading of bulk component, such as pentaerythritol and phthalic anhydride is performed and controlled over automated control system for bulk component dosage and loading, including depacker, tanker on tension weighing device, pneumatic lift, at least one ripper, snail feeder and mentioned heat-resistant gate in pipe socket of reactor; dosing and loading of azeotropic solvent and water to worm pipes of reactor, as well as recycled water feed and control and solvent feed to mixer are performed with remote automatic control of stop valves. In addition invention claims method of bulk component feed to reactor used in production of alkyd varnish.
EFFECT: reduced labour cost, improved fire protection and environmental safety.
22 cl, 1 tbl, 2 dwg, 2 ex
SUBSTANCE: invention relates to paint-and-varnish industry, in particular to method for production of alkyd-urethane enamels of various colours, and may be used to produce protective-decorating enamel coatings applied onto various substrates. Method for production of alkyd-urethane enamel is described. This method implies preparation of individual precursor components, their dosing, preparation of intermediate enamel product by combining alkyd pentaphthalic lacquer with dispersing medium, organic solvent and rheological agent, the mixture being stirred at 300-500 rpm, followed by introduction of free-flowing pigments into the mixture, together with filler, when required. Pigments and filler are pre-dispersed under stirring at a speed up to 1000 rpm until homogenous suspension is obtained. Then intermediate product is further dispersed until required degree of grinding is obtained, alkyd-urethane lacquer is added under stirring and, when required, anti-crater additive and paint dryer are added. Then, pigment tinting paste is added, the mixture is stirred to obtain homogenous suspension, and antiskinning agent is added.
EFFECT: production of alkyd-urethane enamels of various colours, with high physical and chemical properties.
10 cl, 5 tbl
SUBSTANCE: invention relates to the pigmental paste for paint toning. The pigmental paste for toning the covering composition is described, where the pigmental paste includes: at least one ramified alkide with the viscosity less than 5 Pa·s at 23°C and shift rate 100 c-1 and the number-average molecular weight Mn>1500, which contains the groups for the oxidising drying produced from the fatty acids; one or several solvents without aromatic substances - 28 mass percent; and one or several pigments. At that, the rate of alkide ramification is at least 0/35 and preferably less than 0.42, alkide fatness is at least 76 and preferably less than 84, the alkide acidity index is within 6 to 9 mg KOH/g; the solvent without the aromatic substances contains the aliphatic hydrocarbon solvents, ketones and/or complex ethers with molecular weight Mn>1500. The method for paint toning is described where the principal paint is selected from the set of principal paints and then mixed with the said pigmental paint, at that, the principal paint corresponds to the composition based on solvent and containing alkide.
EFFECT: invented pigmental paint is useful in toning paint with high concentration of solid substances.
11 cl, 8 dwg
FIELD: protecting materials.
SUBSTANCE: invention relates to priming compositions used for anticorrosive covers applied on surface of mainly ferrous metals in machine engineering, and woody and other materials. The priming composition comprises lacquer GF-01, red pigment, siccative, solvent, chalk of sort M-5 and lecithin as a disperser, siccative NF-1 as a siccative, and slime after dry scrubbing in electric steel melting production of the following chemical composition, wt.-%: SiO2, 7.76; phosphorus (P), 0.041; chrome (Cr) total, 1.0; Al2O3, 0.93; TiO2, 0.099; MnO, 2.29; CaO, 21.3; MgO, 24.5; FeO, 3.91; Fe2O3, 32.02; CaF2, 5.26; CaO (incompletely burned material), 0.89 in the following granulometric composition of slime, %: below 20 mcm, 15; from 20 to 25 mcm, 60, and from 25 to 100 mcm, 25. Invention provides decreasing cost and enhancing exploitation parameters of the priming in coating the broad spectrum of surfaces in machine engineering and building.
EFFECT: improved and valuable properties of priming composition.
FIELD: paint and varnish materials.
SUBSTANCE: invention relates to coloring pastes designated for using in ready basic pant and varnish materials that are soluble in organic solvents. Universal pigment coloring paste comprises pigment, film-forming agent, disperser, thickening agent and organic solvent. Alkyd glyphtal resin based on flax oil, glycerol and phthalic anhydride is used as a filling agent taken in the ratio, wt.-%: 45-47; 17-19 and 34-38, respectively, with viscosity index 60 measured at temperature 20.0 ± 0.5°C by viscosimeter device VZ-246 as 50% resin solution in xylene and having acid number 17-19 mg of KOH/g taken in the amount 30-40 wt.-%. Thickening agent Clayton AF is used a thickening agent taken in the amount 0.3-0.5 wt.-%. Xylene is used as an organic solvent taken in the amount 34-45 wt.-%. Disperser is used in the amount 0.9-2 wt.-%, and pigment, the balance. Invention provides expanding assortment of coloring pigment pastas, their using in different basis of dyes in organic solvents, providing stability of dyes and without unfavorable effect of properties of paint and varnish covers.
EFFECT: improved and valuable properties of paste.
FIELD: polymer materials and corrosion protection.
SUBSTANCE: invention relates to cold-drying anticorrosive coating compositions, which can be used in petroleum, gas, power, chemical, and other industries for protection surfaces of iron articles and structures. Composition of invention is based on binder, namely alkyd-styrene resin or poor alkyd resin in amount 11.0-44.0%. Composition further comprises 0.3-5.0% tannin or tannin derivatives as anticorrosive additive, 3.0-24.0% pigments, 5.0-22.-% fillers, and balancing amount of organic solvent.
EFFECT: enhanced protective properties.
4 cl, 2 tbl, 5 ex