CN118007452A - Aqueous environment-friendly black paste for microfibers and preparation method thereof - Google Patents
Aqueous environment-friendly black paste for microfibers and preparation method thereof Download PDFInfo
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- CN118007452A CN118007452A CN202410184643.XA CN202410184643A CN118007452A CN 118007452 A CN118007452 A CN 118007452A CN 202410184643 A CN202410184643 A CN 202410184643A CN 118007452 A CN118007452 A CN 118007452A
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- black paste
- aqueous
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- microfiber
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- 229920001410 Microfiber Polymers 0.000 title claims abstract description 52
- 239000003658 microfiber Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 48
- 229920005989 resin Polymers 0.000 claims abstract description 48
- 238000000227 grinding Methods 0.000 claims abstract description 46
- 239000006229 carbon black Substances 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002270 dispersing agent Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 23
- 239000002562 thickening agent Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000049 pigment Substances 0.000 claims description 11
- 230000007613 environmental effect Effects 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 230000000844 anti-bacterial effect Effects 0.000 claims description 9
- 230000002421 anti-septic effect Effects 0.000 claims description 9
- 239000003899 bactericide agent Substances 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims 5
- 239000007791 liquid phase Substances 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000003860 storage Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000010985 leather Substances 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 description 2
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 description 2
- BKHMEJJDSMFDFK-UHFFFAOYSA-L copper;pyridine;sulfate Chemical compound [Cu+2].[O-]S([O-])(=O)=O.C1=CC=NC=C1 BKHMEJJDSMFDFK-UHFFFAOYSA-L 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 229910021485 fumed silica Inorganic materials 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 2
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- 229960005323 phenoxyethanol Drugs 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Abstract
An aqueous environment-friendly black paste for microfibers and a preparation method thereof relate to the technical field of paste preparation, wherein the preparation method comprises the following steps: deionized water, a dispersing agent, a water retaining agent, a PH regulator and a thickening agent are added into a container at 20-40 ℃ and stirred for 5 minutes at a low speed of 600 revolutions per minute, so that the components are uniformly mixed. Slowly adding carbon black, continuously stirring uniformly until the liquid level is free from floating of carbon black powder, increasing the rotating speed to 1500 revolutions per minute, dispersing at a high speed for about 30 minutes by adopting a high-shear dispersing machine, controlling the temperature below 30 ℃, grinding for 2-3 hours by adopting a grinding machine, precipitating and filtering after the grinding temperature is below 30 ℃, finally preparing black paste with the solid content of 23.5-25.5%, the viscosity of about 41KU/25 ℃ and the fineness of less than or equal to 15 mu m, and mixing the black paste with microfiber water-based resin to obtain finished black paste; the aqueous environment-friendly black paste for microfibers prepared by the invention can keep no precipitation for a long time, solves the problems of floating color and color, and brings convenience to production and storage.
Description
Technical Field
The invention relates to the technical field of color paste preparation, in particular to an aqueous environment-friendly black paste for microfibers and preparation thereof.
Background
The color paste is a concentrated pigment paste, is prepared by using different pigments through technologies of pigment surface treatment, surface coating and the like and through a strict processing technology, and is divided into water-based color paste, oily color paste and water-oil universal color paste according to different solvents used by the color paste.
The microfiber aqueous environment-friendly black paste has the advantages of good compatibility with aqueous resin, more environment-friendly property, good anti-flooding effect, long-time storage and convenience for production.
The aqueous black color paste is essentially different from solvent black color paste adopted by other methods, the aqueous color paste has more auxiliary agents, the conventional surfactant or polymer dispersing agent is suitable for production, a homogenizer and a sander are adopted for production, the dispersion technology is relatively mature, the application field is wider, and the solvent color paste on the market is mainly applied to the aspect of coating and mainly adopts some low-polarity solvents for production.
The Chinese patent publication No. CN116876096A discloses a color paste for acrylic fiber and a preparation method, wherein the color paste is composed of an organic solvent, a dispersing agent and carbon black, wherein the carbon black accounts for 12-17% of the total mass of the color paste, the mass ratio of the solvent in the black color paste is 75-88%, the mass ratio of the dispersing agent is 14-40% of the mass ratio of the carbon black, the carbon black is composed of one or more of pigment carbon black and rubber carbon black, and the dispersing agent is prepared from diethylene glycol dimethyl ether and polymer according to the mass ratio of 21: 79-23:77, wherein the polymer is selected from one or more of polymethyl methacrylate or polymethyl acrylate, and the organic solvent is one or more of dimethylacetamide or dimethylformamide; in one aspect, the technology prepares solvent-based color paste, rather than aqueous color paste; on the other hand, the black color paste prepared by the technology is used for coloring the acrylic fiber stock solution, and the black color paste cannot be directly used unlike the surface coating process of microfibers.
Therefore, how to provide an environment-friendly black paste which has good environmental protection property in the surface coating process and can prevent the color paste from floating color and developing in the application process is a problem to be solved, and the invention is proposed in view of the problem.
Disclosure of Invention
The invention aims to solve the technical problems and provide the environment-friendly black paste for the microfibers, which has good compatibility with water-based resin, good anti-flooding effect, long-time storage, convenience for production and satisfaction of environmental protection and product performance requirements, and the preparation method thereof.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
The invention provides a water-based environment-friendly black paste for microfibers, which has good compatibility with water-based resin, good anti-flooding effect, long-time storage, convenience for production and capability of meeting the requirements of environmental protection and product performance, wherein the water-based environment-friendly black paste for microfibers consists of carbon black, a dispersing agent, a water retaining agent, a PH regulator, a thickening agent, an antiseptic bactericide and acrylic microfiber resin, the mass ratio of the carbon black in the paste is 18.5-19.5%, and the mass ratio of the dispersing agent to carbon black powder is 0.34: 1-0.44:1, wherein the water-retaining agent accounts for 2.5-8.2% of the total mass of the color paste, the PH regulator accounts for 0.2-0.4% of the total mass of the color paste, the thickener accounts for 0.2-0.5% of the total mass of the color paste, the antiseptic bactericide accounts for 0.1-0.3% of the total mass of the color paste, and the acrylic microfiber resin accounts for 6.1-8.5% of the total mass of the color paste.
The preparation method of the aqueous environment-friendly black paste for microfibers comprises the following steps:
Adding deionized water, a dispersing agent, a water retaining agent, a PH regulator and a thickener into a container at 20-40 ℃ and stirring at a low speed of 600 r/min for 5 minutes to uniformly mix the materials, slowly adding carbon black, continuously stirring uniformly until the liquid level is free of floating carbon black powder, increasing the rotating speed to 1500 r/min, dispersing at a high speed by a high-shear dispersing machine for about 30 minutes, controlling the temperature below 30 ℃, grinding for 2-3 hours by a grinding machine, wherein the grinding temperature is below 30 ℃, precipitating and filtering, finally preparing black paste with the solid content of 23.5-25.5%, the viscosity of 41KU/25 ℃ and the fineness of less than or equal to 15 mu m, and mixing the black paste into aqueous resin to obtain the finished black paste.
Further, the carbon black in the step is one or more of pigment carbon black or rubber carbon black.
Further, the dispersing agent in the step is one or more of a block type polymer dispersing agent or a comb type polymer dispersing agent.
Further, the humectant in the step is one or a mixture of a plurality of propylene glycol or glycerol polyethylene glycol.
Further, the pH regulator in the step is one or more of monoethanolamine, triethanolamine, and 2-amino-2-methyl-1-propanol.
Further, the thickener in the step is one or more of hydroxyethyl cellulose, hydroxymethyl cellulose, bentonite, montmorillonite, fumed silica and polyurethane.
Further, the antiseptic bactericide in the step is one or a mixture of more than one of 1,2 benzisothiazolin-3-one, copper pyridine sulfate and phenoxyethanol.
Further, the aqueous microfiber resin in the step adopts aqueous acrylic microfiber resin or aqueous microfiber resin
Polyurethane microfiber resin.
The beneficial effects after the technical scheme is adopted are that:
the aqueous environment-friendly black paste for microfibers provided by the invention is prepared by adding aqueous acrylic resin,
The produced water-based color paste has good anti-flooding effect, can be stored for a long time, brings convenience to production, and does not volatilize organic solvents in the production process, thereby not causing adverse effects on people and environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall flow of the preparation of the aqueous environment-friendly black paste for microfibers of the present invention.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following description of the technical solution of the present invention will be provided with reference to examples.
The main raw materials of the black paste in the prior art comprise carbon black powder, a dispersing agent, a suspending agent and an organic solvent, wherein the organic solvent can generate volatile organic compounds, and is harmful to the environment and human bodies.
As shown in fig. 1, the embodiment of the invention provides an aqueous environment-friendly black paste for microfibers, which can solve the technical problems, and comprises the following components in parts by weight:
10-20 parts of carbon black, 5-15 parts of dispersing agent, 2-12 parts of water-retaining agent, 0.1-0.5 part of PH regulator,
0.1-1.0 Part of thickener, 0.1-0.5 part of antiseptic bactericide and 5-10 parts of water-based resin.
In the black paste, the carbon black is used as a black pigment of the paint, the color depth and the covering power can be increased, the durability of the paint can be improved, the optional carbon black comprises 10-20 parts of components, the specific carbon black can be one or more of pigment carbon black or rubber carbon black, and the more preferable component content is 18.5-19.5% of the total mass of the paste;
in the black paste, the dispersing agent is used as a surfactant, so that the stability, glossiness and waterproofness of the paint can be improved, the optional dispersing agent comprises 5-15 parts of one or more of block type polymer or comb type polymer dispersing agents, and the more preferable component content is that the mass ratio of the dispersing agent to the carbon black powder is 0.34: 1-0.44:1;
In the black paste, the water-retaining agent has the function of improving the weather resistance and the water resistance of the paint, the optional water-retaining agent comprises 2-12 parts of components, the specific water-retaining agent can be one or a mixture of a plurality of propylene glycol or glycerol polyethylene glycol, and the further preferable component content is 2.5-8.2% of the total mass of the paste;
In the black paste, the PH regulator is used as a polymerization inhibitor of the paint, so that the paint can be prevented from forming a film prematurely before use, the optional PH regulator comprises 0.1-0.5 part of one or more of monoethanolamine, triethanolamine and 2-amino-2-methyl-1-propanol, and the preferable content of the components is 0.2-0.4% of the total mass of the paste;
In the black paste, the thickener has the function of improving fluidity and splashing resistance, the optional thickener comprises 0.1-1.0 part, the specific thickener can be one or more of hydroxyethyl cellulose, hydroxymethyl cellulose, bentonite, montmorillonite, fumed silica and polyurethane, and the further preferable component content is 0.2-0.5% of the total mass of the paste;
In the black paste, the function of the antiseptic bactericide is that the antiseptic bactericide can inhibit the function of mould bacteria, the optional antiseptic bactericide comprises 0.1-0.5 part, the specific antiseptic bactericide can be one or more of 1,2 benzisothiazolin-3-one, copper pyridine sulfate and phenoxyethanol, and the further preferable component content is that the component content accounts for 0.1-0.3% of the total mass of the paste;
In the black paste, the function of the aqueous resin is to enhance the microfiber property of the paint, the optional aqueous resin component is 5-10 parts, the specific aqueous resin type can be aqueous acrylic microfiber resin or aqueous polyurethane microfiber resin, and the further preferable component content is that the component accounts for 6.1-8.5% of the total mass of the paste.
Example 1:
Aqueous resin: s70 aqueous acrylic microfiber resin
Respectively adding 10g of dispersing agent, water retention agent, pH regulator and thickener into 50g of deionized water at room temperature, and stirring at low speed for 5 minutes to uniformly mix the components; slowly adding 20g of carbon black, slowly increasing the rotating speed, and dispersing at high speed for about 30min by adopting a high-shear dispersing machine; grinding for 2-3 hours by a sand mill, wherein the grinding temperature is below 30 ℃; stirring is kept in the grinding process, carbon black is prevented from precipitating, and the residual water is used for cleaning each time of cylinder replacement; and (3) observing fineness less than or equal to 15 mu m in grinding, filtering and packaging with a 200-mesh filter bag after detection is qualified to obtain the black paste, and mixing the prepared paste into aqueous resin to obtain a finished product paste A1.
Example 2:
Aqueous resin: s90 aqueous acrylic microfiber resin
Respectively adding 10g of dispersing agent, water retention agent, pH regulator and thickener into 50g of deionized water at room temperature, and stirring at low speed for 5 minutes to uniformly mix the components; slowly adding 20g of carbon black, slowly increasing the rotating speed, and dispersing at high speed for about 30min by adopting a high-shear dispersing machine; grinding for 2-3 hours by a sand mill, wherein the grinding temperature is below 30 ℃, stirring is kept in the grinding process, carbon black is prevented from precipitating, and the cylinder is cleaned by the balance water each time; and (3) observing fineness less than or equal to 15 mu m in grinding, filtering and packaging with a 200-mesh filter bag after detection is qualified to obtain the black paste, and mixing the prepared paste into aqueous resin to obtain a finished product paste B1.
Example 3:
Aqueous resin: s120 aqueous acrylic microfiber resin
Respectively adding 12g of dispersing agent, water retention agent, pH regulator and thickener into 50g of deionized water at room temperature, and stirring at low speed for 5 minutes to uniformly mix the components; slowly adding 20g of carbon black, slowly increasing the rotating speed, and dispersing at high speed for about 30min by adopting a high-shear dispersing machine; grinding for 2-3 hours by a sand mill, wherein the grinding temperature is below 30 ℃; stirring is kept in the grinding process, carbon black is prevented from precipitating, and the residual water is used for cleaning each time of cylinder replacement; and (3) observing fineness less than or equal to 15 mu m in grinding, filtering and packaging with a 200-mesh filter bag after detection is qualified to obtain the black paste, and mixing the prepared paste into aqueous resin to obtain a finished product paste C1.
Example 4:
aqueous resin: 1720A aqueous polyurethane microfiber resin
Respectively adding 10g of dispersing agent, water retention agent, pH regulator and thickener into 50g of deionized water at room temperature, and stirring at low speed for 5 minutes to uniformly mix the components; slowly adding 20g of carbon black, slowly increasing the rotating speed, and dispersing at high speed for about 30min by adopting a high-shear dispersing machine; grinding for 2-3 hours by a sand mill, wherein the grinding temperature is below 30 ℃; stirring is kept in the grinding process, carbon black is prevented from precipitating, and the residual water is used for cleaning each time of cylinder replacement; and (3) observing fineness less than or equal to 15 mu m in grinding, filtering and packaging with a 200-mesh filter bag after detection is qualified to obtain the black paste, and mixing the prepared paste into aqueous resin to obtain a finished product paste D1.
Example 5:
aqueous resin: 1618 aqueous polyurethane microfiber resin
Respectively adding 9g of dispersing agent, water retention agent, pH regulator and thickener into 50g of deionized water at room temperature, and stirring at low speed for 5 minutes to uniformly mix the components; slowly adding 20g of carbon black, slowly increasing the rotating speed, and dispersing at high speed for about 30min by adopting a high-shear dispersing machine; grinding for 2-3 hours by a sand mill, wherein the grinding temperature is below 30 ℃; stirring is kept in the grinding process, carbon black is prevented from precipitating, and the residual water is used for cleaning each time of cylinder replacement; and (3) observing fineness less than or equal to 15 mu m in grinding, filtering and packaging with a 200-mesh filter bag after detection is qualified to obtain the black paste, and mixing the prepared paste into aqueous resin to obtain a finished product paste E1.
Example 6:
Aqueous resin: 1604F waterborne polyurethane microfiber resin
Respectively adding 15g of dispersing agent, water retention agent, pH regulator and thickener into 50g of deionized water at room temperature, and stirring at low speed for 5 minutes to uniformly mix the components; slowly adding 20g of carbon black, slowly increasing the rotating speed, and dispersing at high speed for about 30min by adopting a high-shear dispersing machine; grinding for 2-3 hours by a sand mill, wherein the grinding temperature is below 30 ℃; stirring is kept in the grinding process, carbon black is prevented from precipitating, and the residual water is used for cleaning each time of cylinder replacement; and (3) observing fineness less than or equal to 15 mu m in grinding, filtering and packaging with a 200-mesh filter bag after detection is qualified to obtain the black paste, and mixing the prepared paste into aqueous resin to obtain a finished product paste F1.
Example 7:
Aqueous resin: s160 aqueous acrylic microfiber resin
Respectively adding 8g of dispersing agent, water retention agent, pH regulator and thickener into 50g of deionized water at room temperature, and stirring at low speed for 5 minutes to uniformly mix the components; slowly adding 20g of carbon black, slowly increasing the rotating speed, and dispersing at high speed for about 30min by adopting a high-shear dispersing machine; grinding for 2-3 hours by a sand mill, wherein the grinding temperature is below 30 ℃; stirring is kept in the grinding process, carbon black is prevented from precipitating, and the residual water is used for cleaning each time of cylinder replacement; and (3) observing fineness less than or equal to 15 mu m in grinding, filtering and packaging with a 200-mesh filter bag after detection is qualified to obtain the black paste, and mixing the prepared paste into aqueous resin to obtain a finished product paste G1.
Examples 1-7 above were color pastes prepared under different conditions, and the thermal stability test of the color paste and the compatibility test with resin were performed below; mixing the prepared color paste into water-based resin, preparing pigment, coating the pigment on the surface of microfiber to form microfiber leather, checking the materials of the finished microfiber leather, and comparing the color difference of the result.
The thermal stability of the color paste and the compatibility of the color paste with water-based resin are detected, and the thermal stability of the finished color paste A1, B1, C1, D1, E1, F1 and G1 is shown in the table 1:
TABLE 1 thermal stability of color paste
| Examples | Thermal stability | Compatibility of |
| A1 | Storage at 50 ℃ for 7 days, no precipitation and no layering | The finger grinding has no floating color |
| B1 | Storage at 50 ℃ for 7 days, no precipitation and no layering | The finger grinding has no floating color |
| C1 | Storing at 50deg.C for 7 days, precipitating, and layering | Finger grinding floating color |
| D1 | Storage at 50 ℃ for 7 days, no precipitation and no layering | The finger grinding has no floating color |
| E1 | Storing at 50deg.C for 7 days, precipitating, and layering | Finger grinding floating color |
| F1 | Hard precipitate after storage at 50℃for 7 days | Finger grinding floating color |
| G1 | Storage at 50 ℃ for 7 days, no precipitation and no layering | The finger grinding has no floating color |
The color materials prepared in examples A1, B1, C1 and G1 were coated on the surface of the microfiber to form microfiber leather, and the physical properties of the finished microfiber leather were measured and the results were compared for color differences as shown in Table 2.
TABLE 2 color Difference after property detection of microfiber leather
From the test results, the finished color paste is excellent in heat stability and good in compatibility with microfibers; the color difference data indicate that: after the pigment is coated by microfiber, after physical property tests such as xenon lamp, heat aging and wet heat aging, the color paste prepared in the seventh embodiment is optimal, has good color retention capacity, and can effectively solve the problem of floating color and bloom.
The foregoing is merely an embodiment of the present application, and specific structures and features of common knowledge in the art, which are well known in the art, are not described in any detail herein, and those skilled in the art will know all the prior art in the application date or before the priority, and will have the capability of applying the conventional experimental means before the date, and those skilled in the art will not be able to complete and implement the present application in connection with their own capabilities, so that some typical known structures or known methods should not be an obstacle to implementing the present application by those skilled in the art, and it should be noted that several modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of protection of the present application, which will not affect the effect of implementing the present application and the practicality of the patent.
Claims (9)
1. An aqueous environment-friendly black paste for microfibers, which is characterized in that the aqueous environment-friendly black paste comprises a main material and a pigment; the material comprises the following components in parts by weight:
10-20 parts of carbon black, 5-15 parts of dispersing agent, 2-12 parts of water-retaining agent, 0.1-0.5 part of PH regulator,
0.1-1.0 Part of thickener, 0.1-0.5 part of antiseptic bactericide and 5-10 parts of water-based resin.
2. The microfiber aqueous environmental black paste of claim 1, wherein: the content of the water-based resin component accounts for 6.1-8.5% of the total mass of the color paste.
3. The microfiber aqueous environmental black paste of claim 1, wherein: the aqueous composition
The microfiber resin adopts aqueous acrylic microfiber resin or aqueous polyurethane microfiber resin.
4. The preparation method of the aqueous environment-friendly black paste for microfibers is characterized by comprising the following steps of:
Adding deionized water, a dispersing agent, a water retaining agent, a PH regulator and a thickening agent into a container, and stirring to obtain a mixed solution;
Adding carbon black into the mixed solution, and stirring until the liquid level is free of floating carbon black powder;
After stirring, dispersing by adopting a high-shear dispersing machine to obtain crude black paste;
And (3) feeding the crude black paste into a grinding machine for grinding, then carrying out precipitation and filtration, mixing the prepared crude black paste into 5-10 parts of aqueous resin, and finally obtaining the finished black paste.
5. The microfiber aqueous environmental black paste of claim 4, wherein: stirring is carried out
The temperature of the mixed solution is controlled at 20-40 ℃ and the stirring speed is 500-600 rpm so as to uniformly mix the mixed solution.
6. The microfiber aqueous environmental black paste of claim 4, wherein: of carbon black
After the mixed solution is uniformly stirred until no carbon black powder floats on the liquid surface, the rotating speed is 1500-1600 rpm during stirring. Dispersing for 30-40 min with high shear dispersing machine and maintaining the liquid phase temperature inside the dispersing machine at 10-30 deg.c.
7. The microfiber aqueous environmental black paste of claim 4, wherein: crude black paste
When the material is ground by a grinding machine, the grinding time is 2-3 hours, and the temperature is controlled to be 10-30 ℃.
8. The microfiber aqueous environmental black paste of claim 4, wherein: crude black paste
After grinding and precipitation filtration, the solid content of the prepared black paste is 23.5-25.5%, the viscosity is below 41KU/25 ℃, and the fineness is less than or equal to 15 mu m.
9. The microfiber aqueous environmental black paste of claim 4, wherein: will prepare
The temperature is controlled to be 10-30 ℃ when the crude black paste is mixed into the aqueous resin.
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