The way to obtain dye compositions for polymeric materials
(57) Abstract:Purpose: universal ink composition for coloring polymers and materials based on them. Universal ink composition was prepared in the extruder by the softening at 80 - 90oWith a mixture of a carrier and a dye stuff, extruding the melt at 100 - 110oWith, cooling and pelletizing. At the same time as media use ataxiophobia with a molecular mass of 800 - 4500, epoxy 2 - 11% and an acid number of 0.3 to 3.0 mgKOH/g General formula given in the description. The mass ratio of epoxyoligomer: dye 95 to 20 : 5 to 80. Pigment concentrate evenly and intensely stains the various polymers with good light and migration fastness. 3 table. The invention relates to a method for coloring compositions for reduction of various polymers and materials based on them.Staining of polymers in bulk directly when their processing is hindered by insufficient thermal stability of the majority of the coloring matter, a significant expense, the necessary processing of the granules excipients to increase the adhesion to them viscozisers the Torah during the transition from one color to another, a possible decrease of durability of products with the introduction of pigments into the polymer mass 
The most promising is the coloration of polymers using compositions with a high content of pigments and dyes [2,3]
However, the main disadvantages of these compositions are: low thermal and migration resistance, toxicity and the presence of a large number of agglomerates.Known composition for coloring powdered polymers of polyethylene wax 
This composition improves the compatibility of the polymer with pigment to achieve uniform dispersion of pigments.However, painted the proposed composition of the polymer composition has a low heat and light resistance and has a low migration resistance.In industry widely used concentrates of pigments (CSP) 
For example, an SCP-301 yellow (TU 6-05-05-149-81) includes, cadmium yellow 30; titanium dioxide 10; high-pressure polyethylene 24; polyethylene wax 36.UPC add to the unpainted thermoplastic (polyolefin) in the process of processing material in the amount of 4% to obtain a colored film materials. However, the quality of the magnetic resonance dispersion. When mixing the UPC with the polymer is not uniform dyeing plastics, especially plastic materials. In addition, the composition has a low thermal stability due to the presence of low molecular weight compounds of polyethylene wax, as well as poor resistance to sweetalba aging. You should indicate high toxicity RMS due to the presence of cadmium.A method of obtaining compositions with a high content of pigments  which includes the following stages:
premixing of the components;
plasticize initial mixture components;
the extrusion of the melt;
granulation.The disadvantages of this method are:
the duration of the technological process;
elevated temperature mixing components of the composition;
the presence of agglomerates;
uneven coloring and limited color gamut;
reduced physical and mechanical characteristics of colored products.Object of the invention to develop a method of obtaining universal dye compositions, allowing evenly and intensively to paint different polymers to reduce the temperature and duration This is achieved by in the method of obtaining universal dye compositions as media use ataxiophobia with m m 800-4500, epoxy number of 2-11% and acid value of 0.3 to 3.0 mgKOH/g General formula:
CCH-CH2-OR-O-CH2--CH2-C-M (I) where R is the residue of epoxy resins containing aromatic and/or aliphatic chain;
M aryl, alkyl or hetaryl
when the ratio of the components epoxyoligomer: dye (95-20): (5-80), respectively, plastical mixture is carried out at 80-90aboutWith, and extruding the melt at 100-110aboutWith subsequent cooling of the melt and granulating.The proposed method allows to obtain universal colouring composition based on apocolyptica, dyes and pigments of different chemical nature for the dyeing of various classes of polymers, such as polyolefins, polyvinyl chloride, polystyrene, polyacrylates, and other Specified coloring composition obtained by dispersing the melt resin carrier pigments and/or soluble in organic dyes. The variation in the length and composition of the oligomeric chain and modifying the remainder of the carboxylic acid (M) it is possible to achieve properties of the proposed resin composition, need to be universalhospitals with different polymers within significantly greater than the content of pigments in the polymer, required to obtain intense colors in a variety of colors. In addition, there is a number of additional positive effects, which are usually achieved by the introduction of special additives in polymer compositions. As a colouring substance use organic and/or inorganic pigments, polimerisation dyes, including oligomeric and their mixtures, for example:
the pigment cadmium yellow;
titanium dioxide rutile modifications;
pigment red; pigment red 5S;
pigment blue phtalocyanines;
the fat-soluble dye yellow "W";
N-CH3< / BR>the fat-soluble dye green antrahinonovye.< / BR>P R I m e R 1. In the granulator (extruder) continuous load epoxyoligomer 1 (see tab. 1) and pigment blue phtalocyanines alpha stable modification in the ratio of 80:20. The process of softening is carried out at 80-90aboutWith, and extruding the melt at 100-110aboutC for 3-4 min Obtained the composition of the coloring matter in the form of paste is applied to the paint alkyd or unsaturated polyester lacquers and enamels, nitrocellulose materials, as well as various thermoplastics.P R I m m e R 2. is Oseni 50:50. The process of softening is carried out at 80-90aboutWith, and extruding the melt at 100-110aboutC for 3-4 min Obtained the composition of the coloring matter in the form of paste is used for coloring paints and various polymers.P R I m e R 3. In the granulator continuous load epoxyoligomer 3 (see tab.1) and the pigment cadmium yellow in the ratio of 70:30. The process is conducted as described in example 1. The resulting composition is applied as described in examples 1 and 2.P R I m e R 4. In the granulator download epoxyoligomer 4 (see tab.1), pigment blue phtalocyanines and titanium dioxide in a ratio of 80:10:10. The process is conducted as described in example 1. The resulting composition is granulated using a cooling head. Granules are spherical or cylindrical shape with a size of 3-5 mm are used for the dyeing of polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyacrylates, polyurethanes and other thermoplastic.P R I m e R 5. In the granulator download epoxyoligomer 5 (see tab.1), the pigment cadmium yellow and titanium dioxide in a ratio of 80:15:5. The process is conducted as described in example 1. The obtained pellets of the composition of the coloring matter used as described in example 4.P R I m e R 7. In the granulator download epoxyoligomer 7 (see tab.1) and the dye green antrahinonovye in the ratio 20:80. The process and obtaining pellets as described in example 4. The application described in example 6.P R I m e R 8. In the granulator download epoxyoligomer 8 (see tab.1), a fat-soluble dye green antrahinonovye and titanium dioxide in a ratio of 60:35:10. The process of obtaining a composition and its use is described in example 4.P R I m e R 9. In the granulator download epoxyoligomer 9 (see tab.1), a fat-soluble dye yellow "W" and titanium dioxide in a ratio of 60:35: 10. The process of obtaining a composition and its use is described in example 4.P R I m e R 10. In the granulator download epoxyoligomer 10 (see tab.1) and pigment red 5S in the ratio of 60:40. The process of obtaining and applying the composition carried out as described in example 4.On the basis of the obtained compositions dyes are made of painted resin composition with the content of the coloring matters of 0.3% Properties of dye compositions and coated polymeric materials are given in table.2 is significant (1.5-3 times) to improve the physical and mechanical properties of various colored polymeric materials, to increase light and migration fastness, to reduce processing time and reduce energy consumption and to extend the field of application of the new compositions of dyes. High coloring ability of the proposed compositions allows 5-10 times to reduce the content of the coloring compositions of the coated polymeric material in comparison with traditionally used concentrates of pigments. The WAY to OBTAIN DYE COMPOSITIONS FOR POLYMERIC MATERIALS, including media and the coloring matter into the hopper of the extruder, plastical their mixture, extruding the melt, followed by cooling and granulating, characterized in that as the carrier used aphasiology with a molecular mass of 800 - 4500, epoxy 2 - 11% and an acid number of 0.3 - 3.0 mg KOH/g General formula:
< / BR>where R is the residue of epoxy resins containing aromatic and/or aliphatic chain;
M - aryl, alkyl or hetaryl,
when the mass ratio epoxyoligomer : colorants 95 to 20 : 5 to 80, respectively, plastical mixture is carried out at 80 - 90oWith, and extruding the melt - in 100 - 110oC.
FIELD: chemical industry; printing industry; powder metallurgy industry; cosmetic industry; other industries; production and application of the highly anticorrosive metallic pigments.
SUBSTANCE: the invention is pertaining to production of the of the highly anticorrosive metallic pigments similar to laminas, which may be used in production of the printing ink, plastic materials, cosmetics, the powder coatings and in other branches of industry. The pigments have on their surfaces: the metallic substrates similar to the laminas and treated with the compounds of the phosphoric acid and-or the compounds of the boric acid; one or more layers of the coatings consisting of one or more hydrated oxides of the metals of one or more metals selected from the group, which includes silicon, aluminum, zirconium, titanium and tin. On the basis of the highly corrosive metallic pigments similar to laminas it is possible to produce the interferential colored pigments. The invention allows to increase the anticorrosive resistance of the metallic pigments at the expense of saving without the faults of the initial surface smoothness of the similar to the laminas metallic substrates, to increase the homogeneity and density of the layers of the hydrated oxides of the metals.
EFFECT: the invention ensures the increased anticorrosive resistance of the metallic pigments, saving the initial surface smoothness of the similar to the laminas metallic substrates, the increased homogeneity and density of the layers of the hydrated metals oxides.
40 cl, 9 ex, 4 tbl, 8 dwg
FIELD: nonferrous metallurgy industry; aircraft industry; other industries; production of the heat-resistant alloys on the basis of the nickel.
SUBSTANCE: the invention is pertaining to the dispergated coloring agents intended for the ink-jet recording. The invention describes the dispergated coloring agent containing the coloring agent and the pseudo-finely-dispergated particles of the polarizable polymer having the dimension less, than the particles of the coloring agent. In the dispergated coloring agent the coloring agent itself and the particles of the polarizable polymer are attached to each other. At that the pseudo-finely-dispergated particles of the polarizable polymer contain the interpolymer consisting of the monomeric components containing, at least, one type of the hydrophobic monomer and, at least, one type of the hydrophilic monomer, where the hydrophobic monomer contains, at least, the monomer having the methyl group in α - position and the radically-polymerizable non-saturated double bond. The invention also describes the method of production of the indicated dispergated coloring agent and the water ink produced on its basis. The presented dispergated coloring agent has the high stability for a long time and practically in the absence of the surface-active substance or the dispergator. The ink produced on its basis has stability of blowout in the ink-jet printing method.
EFFECT: the invention ensures, that the ink produced on the basis of the presented dispergated coloring agent has the high stability of blowout in the ink-jet printing method.
20 cl, 14 dwg, 7 tbl, 15 ex
FIELD: pigment preparation.
SUBSTANCE: invention can be applied in production of multilayer pigments for laser marking of papers and plastics, said pigments being based on glass scales used in paints, lacquers, plastics, foil, ceramic materials, and cosmetic compositions. In these pigments, glass scales are coated with at least three alternate layers having high and low refraction index values. Pigments include at least one sequence of layers, which comprises: (A) coating with refraction index n≥1.8, (B) coating with refraction index n≤1.8, and (C) coating with refraction index n≥1.8. and, if necessary, (D) outer protective layer, provided that layer packet (A)+(B) can be present in standard layer-by layer assembly (A)+(B)+(C) up to four times.
EFFECT: intensified interferential color of multilayer pigments.
11 cl, 9 ex
SUBSTANCE: invention concerns colourant substances creating scale effect on plastic. Invention claims composition for plastic dyeing, where one or more colourants creating scale effect is mixed with at least partially polarised carrier material. Also invention claims method of obtaining colourant composition and its application in plastic colouring and in obtaining concentrated colourant.
EFFECT: prevented dust collection, easy flowing, increased material amount in extrusion process by double-rotor extruders and higher output of concentrated colourants in single-rotor extruders.
10 cl, 4 ex
SUBSTANCE: system for inkjet printing is described, including inks for inkjet printing, containing a mixture of free binders and a modified pigment, fixative and a porous carrier material. Free binder is a polymer from the group consisting of polyethyleneimines, poliguanida, imide and styrene maleic anhydride, quaternary ammonium compounds, styrene-polyacrylate, copolymer of styrene and maleic anhydride, polyurethane and their mixtures at a ratio of molecular weights of two polymers from 0.001 to 10. Method of printed images receipt is also described, including the provision of a porous carrier material, coating him with specified inks for inkjet printing and then - fixative.
EFFECT: proposed inks provide improved image stability to the formation of streaks under the influence of moisture without reducing the colour density of the image.
16 cl, 6 tbl, 4 ex
SUBSTANCE: pigment composition contains at least 35 wt % one pigment and at most 65 wt % polymer-dispersant per total weight of the pigment and the polymer-dispersant. Said polymer-dispersant contains a polymer backbone chain obtained via chain-transfer polymerisation, having hydrophilic polyalkylene oxide side groups. The pigment contained in the composition is selected from a wide range of pigments and has average particle size between 50 nm and 5000 nm. Described also is a method of preparing said pigment composition, a coating composition based on said composition and use in preparing a mixed pigment composition.
EFFECT: composition ensures easy mixture with aqueous and organic media.
11 cl, 1 tbl, 10 ex
SUBSTANCE: described is a method of producing composite pigment material based on composite particles of a pigment of titanium dioxide and calcium carbonate in micro-marble form. The method involves separate preparation of aqueous dispersions of said components in a high-speed dissolver for 20 minutes, followed by mixing the two dispersions. Titanium dioxide is dispersed in the presence of a polymer dispersant based on an AB-block-copolymer, and the micro-marble is dispersed in the presence of sodium tripolyphosphate. The obtained mixture of the composite pigment material is ready for adding into paint.
EFFECT: simple technique of obtaining pigment material based on titanium dioxide while preserving its physical and chemical properties which correspond to standards, reduction of the amount of expensive titanium dioxide in paints.
1 tbl, 3 ex
SUBSTANCE: invention relates to pigment compositions suitable for use as admix pigments. Disclosed is a solid pigment composition containing a pigment and a dispersant resin. Said composition contains at least 35 wt % of at least one pigment and not more than 65 wt % dispersant resin of the total weight of the pigment and dispersant resin. The dispersant resin contains a backbone polymer chain formed by esters containing an electron-depleted C=C double bond and having at least one side hydrophilic group of polyalkylene oxide monoalkyl ether. Said dispersant resin contains 30-80 wt % alkylene oxide links and has average molecular weight from 1000 to 150000. The invention also discloses a method of preparing said pigment composition, a method of obtaining a coloured coating composition and use of said dispersant resin to prepare admix pigment compositions.
EFFECT: invention provides pigment compositions compatible with various diluents and binders, suitable for use as admix pigments to obtain paint which is stable even when using pigments which are hard to disperse and stabilise.
12 cl, 4 tbl, 8 ex
SUBSTANCE: invention relates to oxidation protection of natural dyes using a solubilisate. The solubilisate contains at least one natural dye which is insoluble or poorly soluble in water, at least one emulsifier with a hydrophilic-lipophilic balance of 8 to 19, at least one water-soluble antioxidant and at least one fat-soluble antioxidant. The dye and antioxidant are together enclosed in micellae. Content of the emulsifier ranges from 65 to 90 wt %. Described also is a method of producing said solubilisate and use thereof in food products, cosmetic and pharmaceutical agents.
EFFECT: solubilisate provides oxidation protection of antioxidants and substantially complete antioxidative protection of a dye up to the end of the minimum shelf life thereof.
25 cl, 13 dwg, 9 ex
FIELD: technological processes.
SUBSTANCE: invention relates to aqueous dye compositions for dyeing moulding compounds from thermoplastic synthetic polymers. Colouring composition contains from 1 to 49 wt% of dispersing additive, having weight loss of pure dispersing additive in dry form of at most 15 wt% at isothermal thermogravimetric analysis at 260 °C for 60 minutes. Said dispersing additive is copolymers of methacrylic acid with a hydrophobic methacrylate or copolymers of polyether selected from ethylene, propylene and/or butylene oxide and styrene oxide. Colouring composition also contains from 0.5 to 50 wt% of organic or inorganic pigment and to 98.5 wt% of water. Described also are thermoplastics, particularly poly(alkyl)(meth)acrylate, coloured using said composition.
EFFECT: proposed colouring composition enables to eliminate or reduce yellowing of thermoplastic polymers when dyeing with pigments in conditions of strong thermal action, as well as reduce possibility of oscillations chromaticity coordinates of dyed plastics.
21 cl, 12 tbl, 12 ex
FIELD: textiles and paper.
SUBSTANCE: non-woven fabric is proposed, on the visible surface of which the ink composition is applied comprising from about 40 wt % to about 80 wt % of the dry weight of the ink of linking agent - aziridine oligomer with at least two aziridine functional groups. Also an absorbing article is proposed comprising a liquid-permeable upper layer, an absorbing core and a liquid-impermeable lower layer that contains the specified non-woven fabric with the said applied ink composition. The application of ink on the non-woven fabric can be carried out by the method of flexography or a method of ink-jet printing.
EFFECT: printed non-woven fabric has high resistance to abrasion even in case of its contacting with fatty substance.
16 cl, 2 dwg, 2 tbl, 2 ex