CN109503753B - Preparation method of fluorine-containing polyacrylate emulsion - Google Patents
Preparation method of fluorine-containing polyacrylate emulsion Download PDFInfo
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- CN109503753B CN109503753B CN201811413913.0A CN201811413913A CN109503753B CN 109503753 B CN109503753 B CN 109503753B CN 201811413913 A CN201811413913 A CN 201811413913A CN 109503753 B CN109503753 B CN 109503753B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/30—Emulsion polymerisation with the aid of emulsifying agents non-ionic
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- 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
- D06P1/5257—(Meth)acrylic acid
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- 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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
- D06P1/65118—Compounds containing hydroxyl groups
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/22—Esters containing halogen
- C08F220/24—Esters containing halogen containing perhaloalkyl radicals
Abstract
The invention relates to a preparation method of a fluorine-containing polyacrylate emulsion, and relates to the field of textile printing and dyeing. The preparation method of the fluorine-containing polyacrylate emulsion comprises the following steps: (1) uniformly stirring deionized water, OP-10, sodium dodecyl sulfate and potassium persulfate; (2) then evenly mixing butyl acrylate, acrylic acid and trifluoroethyl methacrylate to prepare a monomer mixture; and (3) mixing the components (1) and (2), and stirring at the temperature of 70 ℃ to obtain the fluorine-containing polyacrylate emulsion. Also included is a process for preparing a printing dye comprising the steps of: adding a dispersing agent into deionized water, and stirring at a low speed; adding rutile type titanium dioxide, glycol, glycerol and a defoaming agent, and stirring; adding the thickening agent and stirring; finally adding fluorine-containing polyacrylate emulsion and stirring; and obtaining the fluorine-containing printing coating. The printing coating formula has the advantages of simple and easily obtained materials, excellent performance and suitability for textile fabric printing.
Description
Technical Field
The invention relates to the field of textile printing and dyeing, in particular to a preparation method of a fluorine-containing polyacrylate emulsion.
Background
The polyacrylate paint has the advantages of wide source, good film forming property, excellent oxidation resistance, high thermal stability and low cost, but has poor hydrophobic and oleophobic properties, temperature resistance and weather resistance. After the fluorine-containing group is introduced into the structure of the polyacrylate polymer, the C-F bond is oriented outwards, so that the main chain of the polymer is protected, and the stability of the C-C bond is greatly improved. Therefore, the fluorine-containing polyacrylate polymer has good durability, anti-fouling and weather-resistant properties, oxidation resistance and chemical stability in the application fields of optical fibers, coatings, fabric finishing and the like.
The printing coating integrates the advantages of simple process, energy conservation and emission reduction, rich color selection, clear printing pattern lines, high rate of certified products, easy color matching and sample copying, easy reproduction, sun resistance and the like, thereby being widely applied to the printing industry. Since the 90 s of the 20 th century, the development of mixed fabrics and synthetic fibers thereof has been followed, and the printing coating has also developed rapidly, occupying the half-wall Jiangshan in the field of textile treatment. In the global view, the demand of printing paint in the printing market reaches 40% -50%, and in all printing paint products, the usage rate of the decorative cloth is the highest, and the proportion is 38%, but the proportion of the decorative cloth in China is only 20%. In summary, the printing coating in China has great development potential.
The printing coating has a plurality of excellent performances, but due to the limitation of the particle size of the coating (5-30 mu m), the coating cannot adhere to fabric fibers by itself, so that the printed fabric has the defects of poor hand feeling, no smoothness, poor net blocking performance, uneven coating, low soaping resistance fastness, low friction fastness, low ultraviolet resistance and the like. When the particle size of the printing coating is small enough or the emulsion with excellent performance is used, the performance of the coating is greatly improved.
Disclosure of Invention
According to one aspect of the present invention, there is provided a method for preparing a fluorine-containing polyacrylate emulsion, which is intended to prepare an emulsion having excellent properties, and to bond textile fibers by self-adhesion without limiting the particle size of a coating. Therefore, according to the invention, trifluoroethyl methacrylate is selected as a raw material to prepare the fluorine-containing polyacrylate emulsion, and then the printing coating formula is prepared. The fabric prepared by the coating formula prepared by the fluorine-containing polyacrylate emulsion prepared by the invention solves the problems of stiff hand feeling, net blockage, low soaping fastness, poor friction fastness, poor ultraviolet ray resistance and the like of printing and dyeing.
The method comprises the following steps:
(1) uniformly stirring deionized water, OP-10, sodium dodecyl sulfate and potassium persulfate;
(2) then evenly mixing butyl acrylate, acrylic acid and trifluoroethyl methacrylate to prepare a monomer mixture;
(3) mixing the aqueous solution in the step (1) with the monomer mixture in the step (2), stirring at a certain temperature, carrying out heat preservation reaction, and cooling after the reaction is finished;
(4) and filtering the product to obtain the fluorine-containing polyacrylate emulsion.
Wherein the material used in the step (1) comprises the following main components in percentage by weight:
wherein the materials used in the step (2) comprise the following main components in percentage by weight:
acrylic acid 5-8.5%
10-30% of trifluoroethyl methacrylate
The balance of butyl acrylate.
Wherein the materials used in the step (2) comprise the following main components in percentage by weight:
acrylic acid 5-8.5%
20 percent of trifluoroethyl methacrylate
The balance of butyl acrylate.
Wherein the certain temperature in the step (3) is 5-100 ℃.
According to another aspect of the invention, the invention provides a preparation method of a printing coating, which comprises the following steps:
(1) adding a dispersing agent into deionized water, and stirring at a low speed;
(2) adding rutile type titanium dioxide, ethylene glycol, glycerol and a defoaming agent into the mixture obtained in the step (1), and stirring at a high speed;
(3) stirring the thickening agent in the step (2) to obtain paint color paste;
(4) adding the prepared fluorine-containing polyacrylate emulsion into the coating color paste obtained in the step (3), and stirring at a low speed;
(5) and (6) discharging.
The materials used in the preparation method of the printing coating comprise the following main components in percentage by weight:
rutile type titanium dioxide 25.0%
10.0-60.0% of fluorine-containing polyacrylate emulsion (adhesive)
0.05 to 5.0 percent of thickening agent
1.0 percent of dispersant
2.0 percent of glycol
2.0 percent of glycerol
1.0 percent of defoaming agent
The balance of deionized water.
The materials used in the preparation method of the printing coating preferably comprise the following main components in percentage by weight:
rutile type titanium dioxide 25.0%
Fluorine-containing polyacrylate emulsion (adhesive) 50.0%
2.0 percent of thickening agent
1.0 percent of dispersant
2.0 percent of glycol
2.0 percent of glycerol
1.0 percent of defoaming agent
The balance of deionized water.
Wherein the low speed in (1) or (4) is 300-.
Wherein the low speed in the step (2) is 1000-.
According to a third aspect of the present invention, there is provided a method of preparing a printed fabric, comprising the steps of:
(1) putting the fluorine-containing printing coating into water, and heating to 50-60 ℃ to obtain a dye solution;
(2) spreading the fabric, and printing and dyeing the dye liquor;
(3) after dyeing the fabric, baking the fabric for a certain time at a certain temperature to obtain a printed fabric;
wherein the certain temperature in the step (3) is 100-200 ℃.
Wherein the certain temperature in (3) is preferably 130-150 ℃.
Wherein the certain temperature in (3) is more preferably 140 ℃.
Wherein the certain time in (3) is 2-10 min.
Wherein the predetermined time in (3) is preferably 4 min.
When the weight percentage of the printing dye prepared by the invention is (25.0% of rutile type titanium white, 50.0% of fluorine-containing polyacrylate emulsion (containing 20% of fluorine), 2.0% of thickening agent, 1.0% of dispersing agent, 2.0% of glycol, 2.0% of glycerol, 1.0% of defoaming agent and 17.0% of deionized water), the fabric is printed and dyed, and then the fabric is dried for 4min at 140 ℃ to obtain the fabric. The textile printing has soft hand feeling of grade 4, no net blocking, soaping resistance fastness grade 3 and good friction fastness, and has greater advantages in performance than the textile obtained without adding the fluorine-containing polyacrylate emulsion.
Definition of terms
"BA" in this specification refers specifically to butyl acrylate.
In the present specification, "SDS" specifically means sodium dodecyl sulfate.
In the present specification, "AA" specifically means acrylic acid.
In the present specification, "KPS" specifically means potassium persulfate.
In the present specification, "TFEMA" specifically means trifluoroethyl methacrylate.
In the specification, "OP-10" specifically means OP-10 emulsifier alkylphenol polyoxyethylene ether.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the following further discloses some non-limiting examples to further explain the present invention in detail.
EXAMPLE 1 preparation of fluorine-containing polyacrylate emulsion
Firstly, deionized water (60.0g), OP-10(0.5g), SDS (2.0g) and KPS (0.5g) are stirred for 2 hours; then uniformly mixing BA (27g), AA (2.5g) and TFEMA (23.0g) to prepare a monomer mixture, and dividing the monomer mixture into three parts; adding 1/3 emulsifier and initiator aqueous solution into 1/3 monomer mixture, placing the mixture into a 250ml four-neck flask, stirring by a stirrer, heating to 50 ℃, keeping the temperature for reaction for 15min when the mixture shows milky blue light, and dropwise adding the rest monomer mixture within 1 hour; and keeping the temperature for reaction for 3 hours after the residual 1/3 monomer mixture and the residual 2/3 emulsifier and initiator aqueous solution are added dropwise, cooling to below 20 ℃, and filtering the product to obtain the fluorine-containing polyacrylate emulsion.
EXAMPLE 2 preparation of fluorine-containing polyacrylate emulsion
Firstly, deionized water (60.0g), OP-10(0.5g), SDS (2.0g) and KPS (0.5g) are stirred for 2 hours; then BA (27.0g), AA (2.5g) and TFEMA (39.6g) are mixed evenly to prepare a monomer mixture which is divided into three parts; adding 1/3 emulsifier and initiator aqueous solution into 1/3 monomer mixture, placing the mixture into a 250ml four-neck flask, stirring by a stirrer, heating to 50 ℃, keeping the temperature for reaction for 15min when the mixture shows milky blue light, and dropwise adding the rest monomer mixture within 1 hour; and keeping the temperature for reaction for 3 hours after the residual 1/3 monomer mixture and the residual 2/3 emulsifier and initiator aqueous solution are added dropwise, cooling to below 20 ℃, and filtering the product to obtain the fluorine-containing polyacrylate emulsion.
Example 3 preparation of acrylate emulsion
Firstly, deionized water (60.0g), OP-10(0.5g), SDS (2.0g) and KPS (0.5g) are stirred for 2 hours; then uniformly mixing BA (27.0g), AA (2.5g) and TFEMA (0g) to prepare a monomer mixture, and dividing the monomer mixture into three parts; adding 1/3 emulsifier and initiator aqueous solution into 1/3 monomer mixture, placing the mixture into a 250ml four-neck flask, stirring by a stirrer, heating to 50 ℃, keeping the temperature for reaction for 15min when the mixture shows milky blue light, and dropwise adding the rest monomer mixture within 1 hour; and keeping the temperature for reaction for 3 hours after the residual 1/3 monomer mixture and the residual 2/3 emulsifier and initiator aqueous solution are added dropwise, cooling to below 20 ℃, and filtering the product to obtain the acrylate emulsion.
EXAMPLE 4 printing pigment formulation and preparation
Printing coating formula
Preparation of printing coatings
Adding the dispersing agent into deionized water, stirring with a stirrer at low speed (500r/min) for 30min, slowly adding rutile type titanium dioxide, ethylene glycol, glycerol and defoaming agent, and stirring at high speed (1000r/min) for 40 min. And (4) dropwise adding a thickening agent, and uniformly stirring to obtain the coating color paste. Then the prepared fluorine-containing polyacrylate emulsion in the embodiment 3 is slowly added into the coating color paste, stirred for 1 hour at a low speed (500r/min) and discharged.
EXAMPLE 5 printing pigment formulation and preparation
Printing coating formula
Preparation of printing coatings
Adding the dispersing agent into deionized water, stirring with a stirrer at low speed (500r/min) for 30min, slowly adding rutile type titanium dioxide, ethylene glycol, glycerol and defoaming agent, and stirring at high speed (1000r/min) for 40 min. And (4) dropwise adding a thickening agent, and uniformly stirring to obtain the coating color paste. Then the prepared fluorine-containing polyacrylate emulsion in the example 1 is slowly added into the coating color paste, stirred for 1h at a low speed (500r/min) and discharged.
EXAMPLE 6 printing pigment formulation and preparation
Printing coating formula
Preparation of printing coatings
Adding the dispersing agent into deionized water, stirring with a stirrer at low speed (500r/min) for 30min, slowly adding rutile type titanium dioxide, ethylene glycol, glycerol and defoaming agent, and stirring at high speed (1000r/min) for 40 min. And (4) dropwise adding a thickening agent, and uniformly stirring to obtain the coating color paste. Then the prepared fluorine-containing polyacrylate emulsion in the example 1 is slowly added into the coating color paste, stirred for 1h at a low speed (500r/min) and discharged.
Example 7 printing pigment formulation and preparation
Printing coating formula
Preparation of printing coatings
Adding the dispersing agent into deionized water, stirring with a stirrer at low speed (500r/min) for 30min, slowly adding rutile type titanium dioxide, ethylene glycol, glycerol and defoaming agent, and stirring at high speed (1000r/min) for 40 min. And (4) dropwise adding a thickening agent, and uniformly stirring to obtain the coating color paste. Then the prepared fluorine-containing polyacrylate emulsion in the example 1 is slowly added into the coating color paste, stirred for 1h at a low speed (500r/min) and discharged.
Example 8 textile printing preparation
The dye of example 4 was printed on the fabric and baked at 140 ℃ for 4min to obtain a printed fabric.
Example 9 textile printing preparation
The dye of example 5 was printed on the fabric and baked at 140 ℃ for 4min to give a printed fabric.
Example 10 textile printing preparation
The dye of example 6 was printed on the fabric and baked at 140 ℃ for 4min to give a printed fabric.
Example 11 textile printing preparation
The dye of example 7 was printed on a fabric and baked at 140 ℃ for 4min to give a printed fabric.
Performance testing
The coating of example 4/5/6/7 was subjected to a particle size test (Table of distribution)
TABLE 1
The results are shown in table 1: the addition of the fluorine-containing polyacrylate changes the particle size property of the coating, and the proportion of the particle size of fine particles is obviously increased.
Performance testing of the fabric of example 8/9/10/11
TABLE 2 textile printing Performance test
The results are shown in table 2: the change of the dosage of the adhesive can improve the apparent soaping and the rubbing fastness from 3 to 4 levels, and the fabrics added with the fluorine-containing polyacrylate emulsion have great difference in performance.
UV resistance of the fabric of example 8/9/10/11
TABLE 3 ultraviolet resistance of textile printing
The results are shown in Table 3: when the fluorine-containing polyacrylate emulsion is not added, the ultraviolet resistance of the printed fabric is poor, the printed fabric is easy to crack, and after the fluorine-containing polyacrylate emulsion is added, the cracking degree of the printed fabric is better than that of the fabric without the fluorine-containing polyacrylate emulsion.
Test method
Particle size measurement
JL-1177 laser particle size analyzer.
Hand feeling test
The printed fabric is touched by 5 people, eyes of a detector are covered during testing to prevent interference of external factors, softness of the fabric is evaluated, the hand feeling condition is expressed by proper characters, and finally the average value of 5 groups of data is used as a final result. In levels, represent: grade 5-very soft; grade 4-soft; grade 3-softer; grade 2-harder; level 1 — hard.
Soaping fastness test
Tested according to the test method of GB/T3921-2008 soaping fastness.
Friction fastness test
Tested according to the method for measuring the rubbing fastness of GB/T3920-.
Test of blocking performance
Spreading the printing paste on a 200-mesh screen, scraping the printing paste back and forth for several times by a scraper, then placing the screen in an oven to be dried for 10min (the temperature is 30 ℃), then immediately washing the screen by cold water, and observing the blocking condition of the screen (emphatically researching the influence of different adhesive dosages and different thickener dosages on the screen blocking performance of the printing paste).
Ultraviolet Performance test
Tested according to the GB/T18830-2009 ultraviolet performance determination method.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A method for preparing printing coating by using fluorine-containing polyacrylate emulsion comprises the following steps:
(1) adding a dispersing agent into deionized water, and stirring at a low speed;
(2) adding rutile type titanium dioxide, ethylene glycol, glycerol and a defoaming agent into the mixture (1), and stirring at 1500 r/min;
(3) stirring the thickening agent in the step (2) to obtain paint color paste;
(4) adding the prepared fluorine-containing polyacrylate emulsion into the coating color paste (3), and stirring at 500 r/min;
(5) discharging;
the materials used in the preparation method of the printing coating comprise the following main components in percentage by weight:
rutile type titanium dioxide 25.0%
10.0 to 60.0 percent of fluorine-containing polyacrylate emulsion
0.05 to 5.0 percent of thickening agent
1.0 percent of dispersant
2.0 percent of glycol
2.0 percent of glycerol
1.0 percent of defoaming agent
The balance of deionized water;
the preparation method of the fluorine-containing polyacrylate emulsion comprises the following steps:
uniformly stirring deionized water, OP-10, sodium dodecyl sulfate and potassium persulfate;
uniformly mixing butyl acrylate, acrylic acid and trifluoroethyl methacrylate to prepare a monomer mixture;
mixing the aqueous solution in the step (a) with the monomer mixture in the step (b), stirring at 5-100 ℃, carrying out heat preservation reaction, and cooling after the reaction is finished;
filtering the product to obtain fluorine-containing polyacrylate emulsion;
the material used in the step (a) comprises the following main components in percentage by weight:
90 to 97 percent of deionized water
OP-10 0.05-0.005%
Sodium dodecyl sulfate 0.2-0.02%
0.05 to 0.005 percent of potassium persulfate;
the material used in the step (b) comprises the following main components in percentage by weight:
acrylic acid 5-8.5%
20.0 percent of trifluoroethyl methacrylate
The balance of butyl acrylate.
2. A method of printing on the surface of a textile fabric a printed coating prepared by the method of claim 1, comprising the steps of:
(1) spreading the fabric and adhering the fabric to the printing table board;
(2) placing fluorine-containing printing paint on a silk screen plate, wherein the silk screen plate is provided with a certain hollow pattern;
(3) aligning the screen plate to the textile fabric, carrying out screen printing by using a hand scraper, carrying out electric heating blow-drying, and baking for 4 minutes at 140 ℃ to obtain the printed fabric.
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| WO2017216201A1 (en) * | 2016-06-17 | 2017-12-21 | Merck Patent Gmbh | Fluorine containing polymers |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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