Triethanolamine salt negreinculate as dye black for thermal jet ink, and a thermal jet ink
(57) Abstract:Usage: for writing devices for various purposes. The inventive use triethanolamine salt negreinculate General formula Ar-SO-3N+(CH2CH2OH)3where Ar is the residue of nigrosine, as dye black for thermal jet ink. Thermal jet ink contains 20% aqueous solution triethanolamine salt negreinculate (25-35 wt. % ), diethylene glycol (25-55 wt.%) and the rest distilled water. Advanced thermal jet ink may contain 10-20 wt.% N-methylpyrrolidone. 2 S. and 1 C.p. f-crystals, 1 table. The invention relates to the synthesis and application of organic dyes, in particular diatomovyh dyes, suitable for receiving ink compositions for writing devices for different purposes and structures thermal jet ink on the basis of them.It is known that for these purposes up to the present time applied the dye nigrosine water soluble, which is the sodium salt of negreinculate solubility 90-100 g/l  the Dye is obtained by heating aniline, nitrobenzene hydrochloride and with ferric chloride at 170-180aboutWith posleduuschei sodium hydroxide at 70aboutC.Also known nigrosine water soluble vysokolegirovannye in the form of sodium salt with a solubility of 160 g/l 
However, the production of ink for modern high-speed writing devices sodium salt of negreinculate does not ensure the stability of the solutions, the intensity of letters and adhesion to non-absorbent surfaces while maintaining other physical-chemical characteristics.The aim of the invention is the finding of new dyes, black, high solubility, providing a high intensity letters, the ink adhesion on non-absorbent surfaces while maintaining other physical-chemical properties and range of applications, and the creation of new thermal jet ink, providing increased resource thermal jet printhead.This goal is achieved by the synthesis of new triethanolamine salt negreinculate General formula Ar-SO3-N+(CH2CH2OH)3where Ar is the residue of nigrosine.Triethanolamine salt negreinculate obtained as follows. Nigrosine sulferous in excess monohydrate concentration 100-101% in the ratio of 1:2,65 when temperature isaboutC.P R I m m e R. Triethanolamine salt negreinculate.34,0 g of nigrosine added to 90.0 g of monohydrate concentration 100-101% at a temperature of 90-95aboutC for 1 h, the Reaction mass is stirred for 1 h at 110-120aboutC and poured into 360 cm3water. The precipitate is washed with water until the pH of wash water at least 1.5. Next, prepare 15-18% suspension negreinculate in water, heated to 70-80aboutWith and add 14,55 g of triethanolamine in a period of 1.0 h, stirred for further 0.5 hours Receive a 20% aqueous solution of the dye, which is used to prepare an ink composition. The resulting dye solution is dried in a vacuum oven at 70-80aboutC. Get up 55.1 g of a black dye, the output 97,2% of the Dye has a solubility in water of 210 g/DM3so pl. 350aboutC. Found, 50,12; 50,00; N 8,81; 8,70; H 3,37; 3,40. IR-spectrum (KCl): 3380-3400 cm-1.Known thermal jet ink containing a water-soluble nigrosine, ethylene or diethylene glycol and distilled water  Inks have high operational properties. However, the use of these ink does not provide a sufficiently high resource thermal jet printhead and a fairly high intenisty resource thermal jet print head and the color intensity.This objective is achieved in that thermal jet ink comprising a water-soluble dye, diethylene glycol and distilled water, as a water-soluble dye containing 20% aqueous solution triethanolamine salt negreinculate in the following ratio, wt.20% aqueous solution triethanolamine salt negreinculate 25-35 Diethylene glycol 25-55 distilled Water the Rest
To improve the stability of the ink during storage, they may additionally contain N-organic in the amount of 10-20 wt.Ink for thermal jet printing was prepared as follows.The estimated amount of the 20% aqueous solution triethanolamine salt negreinculate dissolved in diethylene glycol or a mixture of diethylene glycol and N-methylpyrrolidone and adjusted with distilled water to 100 g of the Mixture is heated at 60-80aboutC for 30 min, defend during the day and filtered. Get ink compositions containing different amounts of ingredients.The table shows the proportion of ingredients and technological properties of the ink, depending on the composition. 1. Triacana/SUB>,
where Ar is the residue of nigrosine,
as dye black for thermal jet ink.2. Thermal jet ink comprising a water-soluble dye, diethylene glycol and distilled water, characterized in that, to improve resource thermal jet printhead and color intensity, as a water-soluble dye they contain 20% aqueous solution triethanolamine salt negreinculate in the following ratio, wt.20% Aqueous solution triethanolamine salt negreinculate 25 35
Diethylene glycol 25 55
Distilled water the Rest
3. Ink on p. 2, characterized in that, to increase the stability of the ink during storage, they additionally contain N-organic in the amount of 10 to 20 wt.
FIELD: varnish-and-paint industry.
SUBSTANCE: invention proposes non-fluorescent typewriter ink composition, which includes non-fluorescent pigment preliminarily dispersed in alkyd resin and organic solvent with high boiling temperature. Composition may further contain resins, plasticizers, substance preventing formation of surface film, and lubricants.
EFFECT: enabled presence of a wide spectrum on insoluble dyes, which are dispersed in resin.
44 cl, 3 tbl, 2 ex
FIELD: dyes and pigments.
SUBSTANCE: invention relates to a method for preparing an aqueous dispersion wherein water-insoluble dye is dispersed stable in an aqueous medium containing water and that is used as ink, respectively. Invention describes an aqueous dispersion comprising particles including water-insoluble dye and a polymeric compound or surface-active substance wherein its hydrophilic moiety is formed by at least one group taken among the group consisting of carboxyl, sulfonic, phosphorus, hydroxyl and alkylene oxide group. Particles are dispersed in water-containing medium and dispersion shows intensity of light scattering 30000 imp/s, not above, when it comprises sufficient amount of particles and to provides value of absorption peak with respect to visible light = 1 and particles give the same color as a water-insoluble dye in crystalline state. Also, invention relates to a method for its preparing involving the following stages: (1) preparing a solution containing water-insoluble dye and a dispersing agent dissolved in aprotonic water-soluble organic solvent in the presence of alkali; (2) mixing the solution with water and preparing the dispersion containing particles comprising water-insoluble dye and dispersing agent. Also, invention describes particles comprising water-insoluble dye and polymeric compound or surface-active substance wherein its hydrophilic moiety is formed by at least one group taken among the group consisting of carboxyl, sulfonic, phosphorus, hydroxyl and alkylene oxide group provides the same color as water-insoluble dye in crystalline state and having colored moiety with water-insoluble dye and non-colored moiety wherein non-colored moiety exists in the round region with radius 40 nm and wherein its center is the required point in a particle. Also, invention relates to a method for their preparing that involves the following stages: (A) preparing an aqueous dispersion; (B) formation of aggregate consisting of dispersion particles and isolation of aggregate from the dispersion; (C) conferring to particles in aggregate the capacity for repeated dispersing and wherein the stage (B) involves sub-stage of addition of acid to the dispersion to form aggregate, and the stage (C) involves sub-stage of treatment of aggregate with alkali to confer particle in aggregate the capacity for repeated dispersing, and ink containing particles described above. Proposed ink provides printing with excellent quality by color and clearness that are resistant to water and light.
EFFECT: improved preparing method, improved and valuable properties of dispersion and ink.
19 cl, 16 tbl, 1 dwg, 24 ex
SUBSTANCE: polyalkenamine compositions, intended for fuel or oil additive, method for production of such additives, as well as formulation of fuel and formulation of oil, additives set, and application of such compositions as an additives, particularly as an additive for fuel cleanability improvement in injection systems of combustion engines with forced ignition. Polyalkenamine composition include at least one polyalkenamine in solvent, chosen from the group, containing components L1 and L2 mixture, where L1) represents at least one n- or iso-C10-C14-paraffin, and L2) represents at least one C10-C14-naphthene, L1 to L2 proportion being from 10:90 to 90:10.
EFFECT: improvement of polyalkenamine composition processing characteristics.
18 cl, 3 tbl, 3 ex
FIELD: printing industry.
SUBSTANCE: invention relates to ink for jet printing containing at least one dye-stuff, besides: dye-stuff is a compound represented by the following formula (I), or its salt; dye-stuff content (wt %) is 3.0 wt % or more to the total weight of ink for jet printing; in distributing molecules aggregates in ink for jet printing with dye-stuff concentration determined as 3.0 wt %, according to scatter range, measured using method of small-angle x-ray scattering, scatter distance value (d75 complying with the fact that 75% of distributing is 3.0 wt %) is 6.50 nm or more and 7.10 nm or less: common formula (I) , where M means alkali metal or ammonium; I means from 0 to 1, m means from 1 to 2, and n means from 2 to 3 under condition that l+m+n=3 and position of substituent replacing is position 4 and 4.
EFFECT: obtaining ink for jet printing.
3 cl, 1 ex, 9 tbl, 9 dwg
SUBSTANCE: water based flexographic contains biodegradable polyhydroxyalkanoate (PHA) consisting of monomers having the following formula: where n is an integer from 1 to 5, and R1 is selected from a group comprising hydrogen, alkyl from C1 to C20, and alkenyl from C1 to C20, and having molecular weight ranging from 500 to 5000000 g/mol, binder substance which is three-block amphiphilic compound having two hydrophobic terminal areas with linear and/or branched aliphatic chains CnH2n+2, n = 1-40, and one central hydrophilic area - polyethylene glycol and its derivatives; or having one central hydrophobic area with linear and/or branched aliphatic chains CnH2n+2, n = 1-40, and two hydrophilic terminal areas, a solvent, and a dye or pigment in amount sufficient for leaving a visible mark on a base. Concentration of PHA in the ink ranges from 20 to 80% (weight/volume), concentration of the binder ranges from 0.5 to 20% (weight/volume), concentration of the solvent ranges from 1 to 25% (weight/volume) and concentration of the dye or pigment ranges from 1 to 40% (weight/volume). Described also is a method of preparing water based flexographic ink and a printing composition which contains the said flexographic ink.
EFFECT: improved biodecomposition properties.
13 cl, 6 ex
SUBSTANCE: polymer composition contains a first basic polymer (A) containing at least a thermoplastic polymer; a second basic polymer (B) containing at least a thermoplastic polymer and which is incompatible with the first basic polymer (A); and an additive (C) containing at least a substance which is incompatible with any of the first basic polymer (A) and the second basic polymer (B). The additive (C) is a liquid or suspension at temperature lower than the pyrolysis temperature of the first basic polymer (A) and the pyrolysis temperature of the second basic polymer (B). Components (A), (B) and (C) are separated from each other by a phase, and boundary surfaces, each lying between two phases (A), (B) and (C), are in contact with each other, forming spatially continuous parallel boundary surfaces. A moulded product, for example, is a filter or a spacer for refrigerators or capacitors. The polymer composition is used to produce an adhesive, ink, paint, films and fibre for a powdered catalyst.
EFFECT: polymer composition and products therefrom quasi-stably contain a large amount of substance which is incompatible with a polymer matrix, therefore suitable for obtaining moulded articles and other products having various properties.
25 cl, 10 ex
SUBSTANCE: luminescent protective ink contains a solvent and semiconductor nanocrystals dispersed in an organosilicon compound, consisting of successively arranged: semiconductor nucleus 1, first 2 and second 3 semiconductor layers and an outer 4 layer, the material of which is selected from an organosilicon polymer from a series which includes poly(aminoethyl)trimethoxysilane, poly(methacryl)triethoxysilane, poly(methyl) triethoxysilane, poly(mercaptoethyl) triethoxysilane, methyl-phenyl polysiloxane, polyethoxysilane. The semiconductor nanocrystals emit a fluorescent signal in a fluorescence wavelength range of 400-3000 nm under the effect of a visible or UV light source; the relative fluorescence quantum efficiency is at least 80%.
EFFECT: making a protective mark from luminescent protective ink, through which an article can be verified using simple means, providing further protection for twenty years.
13 cl, 4 dwg, 7 ex
FIELD: transportation, package.
SUBSTANCE: invention relates to a technology for creation of packaging foliated materials for food packages and may find application in food industry. The packaging foliated material in the form of a cloth or a sheet comprises a base layer of paper or cardboard and at least one printed mark of magnetising ink. The specified printed mark is applied directly onto the surface of the specified layer of paper or cardboard facing inside the specified packaging container.
EFFECT: magnetising ink contains magnetising particles, a dissolvent representing water, and a binding substance, designed to disperse magnetising particles and for provision of adhesion to a packaging material.
11 cl, 1 dwg
SUBSTANCE: invention relates to a photopolymerizable composition, the photopolymerizable ink-jet printing, an ink cartridge, an apparatus for discharging ink, a cured product. Photopolymerizable composition comprising: a photopolymerizable monomers containing glycerinedimetacrylate, hexacrylate dipentaerythritol, modified with caprolactone, and diethylene glycol, wherein the amount glycerinedimetacrylate in a photopolymerizable monomer is 25% by weight or more.
EFFECT: creating a photopolymerizable composition which has no problems with the sensitization of the skin, provides a coating having a high film strength.
13 cl, 2 dwg, 4 tbl, 13 ex
SUBSTANCE: invention relates to new derivatives of cyclohexyl mannitol diketal as gelling agents of a binder having the formula I
in which each R1 and R2 are alkyl having 1 to 20 carbon atoms or phenyl, m is 1 and n is 1, and also to ink with a phase change based thereon.
EFFECT: improvement of the formula.
16 cl, 1 dwg, 1 tbl, 6 ex