CN109438611B - Textile pigment printing paste gel dispersant and preparation method thereof - Google Patents
Textile pigment printing paste gel dispersant and preparation method thereof Download PDFInfo
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- CN109438611B CN109438611B CN201811427019.9A CN201811427019A CN109438611B CN 109438611 B CN109438611 B CN 109438611B CN 201811427019 A CN201811427019 A CN 201811427019A CN 109438611 B CN109438611 B CN 109438611B
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L35/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L41/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur; Compositions of derivatives of such polymers
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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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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to a textile pigment printing paste gel dispersant and a preparation method thereof, wherein the textile pigment printing paste gel dispersant is prepared from the following raw materials in parts by weight: 50-54 parts of maleic anhydride, 180-198 parts of methacrylic acid, 44-48 parts of sodium vinylsulfonate, 380 parts of sodium hydroxide solution 356 with the mass percent concentration of 28-30%, 42-44 parts of hydrogen peroxide solution with the mass percent concentration of 30-35% and 343 parts of water 318-substituted, and the catalyst is prepared by neutralization reaction, polymerization reaction and neutralization reaction. The pigment printing paste gel is dispersed, so that the pigment printing paste gel has the characteristics of good rheological property and strong water holding property, is used for continuous printing, and has fine patterns, good level-dyeing property, excellent fastness and good color yield of printed products.
Description
Technical Field
The invention relates to a textile pigment printing paste gel dispersant and a preparation method thereof. The pigment printing paste which is to generate gel is dispersed to achieve the printing fluidity, and can still be used for printing.
Background
The pigment printing of the textile is to thicken water, adhesive and color paste by a thickening agent to prepare color paste, print the textile by the color paste, and then finish the printing by drying.
However, when the black and white pigment is printed on the textile by pigment printing, the prepared black and white pigment printing paste is easy to generate the gel phenomenon and quickly thicken because the used black and white paste is prepared from inorganic solid powder, so that the color paste has no fluidity and can not be printed.
In order to solve the problem of gelation of black and white pigment printing pastes for textiles, the prior art is to add salt such as sodium chloride and the like into gelled pigment printing pastes to disperse color pastes into liquid, then add thickening agents to adjust the consistency, and then continue to be used for printing.
The method for treating pigment printing paste gel has the following three disadvantages: 1. Because the added salt such as sodium chloride is very easy to absorb water and regain moisture, the film forming effect of the adhesive for printing is deteriorated when the adhesive meets inorganic salt which is easy to regain moisture, the film forming effect of the adhesive and the color light of color paste are influenced, and the color obtaining and the fastness are influenced; 2. the addition of the thickener again increases the cost, and the re-thickening prolongs the operation time; 3. when the thickening agent is added again for thickening, if the thickening control is poor, the thickening agent can be gelled again when the thickening agent is thick, and the thickening agent cannot be used.
Disclosure of Invention
The invention aims to provide a textile pigment printing paste gel dispersant and a preparation method thereof. The pigment printing paste gel is dispersed, and the dispersed printing paste has the characteristics of good rheological property and strong water holding capacity, so that when the pigment printing paste is continuously used, printed products have fine patterns, good leveling property, excellent fastness and good color.
The invention relates to a gel dispersant of textile pigment printing paste, which comprises the following components in part by weight:
the raw materials by weight ratio:
50-54 parts of maleic anhydride
Methacrylic acid 180-
44-48 parts of sodium vinylsulfonate
356 portions of sodium hydroxide solution with 28 to 30 percent of mass percentage concentration
42-44 parts of 30-35% hydrogen peroxide solution
318 portion of water-
The catalyst is prepared by neutralization reaction, polymerization reaction and neutralization reaction;
chemical indexes of the product are as follows:
the appearance is colorless to light yellow liquid
Ionic anions
pH value of 7.5-8.0
Solid content (%): 39 ± 1.
The invention relates to a preparation method of a gel dispersant of a textile pigment printing paste
The raw materials by weight ratio:
(1) adding 140 parts of water and 150 parts of maleic anhydride and 50-54 parts of maleic anhydride into a reaction kettle, heating to 50-60 ℃ to completely dissolve the maleic anhydride, and neutralizing by 36-40 parts of sodium hydroxide solution with the mass percentage concentration of 28-30% to obtain a neutralization solution for later use;
(2) adding 198 parts of methacrylic acid 180-;
(3) 42-44 parts of hydrogen peroxide solution with the mass percentage concentration of 30-35% is added into the No. 2 dropping tank for later use;
(4) stirring and heating the materials in the reaction kettle, starting to simultaneously dropwise add the solution in the No. 1 dropping tank and the solution in the No. 2 dropping tank when the temperature in the reaction kettle rises to 91-96 ℃, keeping the temperature at 91-96 ℃, dropwise adding the methacrylic acid and the sodium vinyl sulfonate aqueous solution in the No. 1 dropping tank for 3-3.5 hours, and dropwise adding the hydrogen peroxide solution in the No. 2 dropping tank for 4-5 hours;
(5) after the dropwise addition of the hydrogen peroxide solution in the No. 2 dropping tank is finished, the materials are subjected to heat preservation reaction at the temperature of 91-96 ℃ for 35-45 minutes, then the temperature is reduced to 40-50 ℃, and the materials are neutralized by 320-340 sodium hydroxide solution with the mass percentage concentration of 28-30% while stirring until the pH value is 7.5-8.0;
(6) then cooling to 20-40 ℃, filtering and discharging to obtain the product.
Chemical indexes of the product are as follows:
the appearance is colorless to light yellow liquid
Ionic anions
pH value of 7.5-8.0
Solid content (%): 39 ± 1.
The invention selects maleic anhydride monomer, generates maleic acid after dissolving in water, generates sodium maleate after the neutralization reaction of maleic acid and sodium hydroxide, generates sodium maleate after the repolymerization reaction of the sodium maleate, generates sodium maleate salt polymer, methacrylic acid sodium salt polymer and the copolymer of the maleic acid salt polymer and the methacrylic acid sodium salt polymer, has good dispersion effect on black and white paint gel, ensures that the gelled black paste can be dispersed and has fluidity, and can be continuously used.
The black and white pastes are inorganic solid powders, are insoluble in aqueous pigment printing pastes, and produce gels after aggregation. The macromolecule of the polymaleic acid sodium salt contains a hydrophilic carboxylic group and a hydrophobic maleic group, the macromolecule of the polymaleic acid sodium salt contains a hydrophilic carboxylic group and a hydrophobic methacrylic group, and the hydrophilic and hydrophobic groups together form a surfactant, so that the hydrophilic carboxylic group and the hydrophobic methacrylic group can form close fusion on the surfaces of the black and white pulp which is difficult to dissolve in water, and can prevent particles from settling and coagulating at the same time, after a stable suspension amphiphilic system is formed, the fluidity is good, the black and white pulp is more uniform in the printing pulp, the phenomena of cloud spots and the like are not caused, and the chromaticity and the fastness are not influenced.
Methacrylic acid and sodium vinylsulfonate monomers are selected, and hydrophilic sulfonic acid functional groups and branched chains are arranged on macromolecules after polymerization, so that the macromolecules have strong water holding capacity, and the pattern fineness of printed products is high. After inorganic salts such as sodium chloride and the like are added, the water holding capacity is not available, the water absorption and moisture regain are easy, the pattern fineness of the printed product is not high, and the infiltration phenomenon is easy to occur.
Detailed Description
The raw materials are proportioned according to parts by weight:
example 1
(1) Adding 140 parts of water and 50 parts of maleic anhydride into a reaction kettle, heating to 52 ℃ to completely dissolve the maleic anhydride, and neutralizing by using 28-30% by mass of sodium hydroxide solution 36 to obtain a neutralized solution for later use;
(2) adding methacrylic acid 180, sodium vinylsulfonate 44 and water 178 into the No. 1 dropping tank, and uniformly stirring for later use;
(3) adding a hydrogen peroxide solution 42 with the mass percentage concentration of 30-35% into the No. 2 dropping tank for later use;
(4) stirring and heating the materials in the reaction kettle, starting to simultaneously dropwise add the solution in the No. 1 dropping tank and the solution in the No. 2 dropping tank when the temperature in the reaction kettle is raised to 92 ℃, keeping the temperature at 91-96 ℃, finishing adding the methacrylic acid and the sodium vinyl sulfonate solution in the No. 1 dropping tank within 3.1 hours, and finishing adding the hydrogen peroxide solution in the No. 2 dropping tank within 4.1 hours;
(5) after the dropwise addition of the hydrogen peroxide solution in the No. 2 dropping tank is finished, the materials are subjected to heat preservation reaction at the temperature of 91-96 ℃ for 36 minutes, then the temperature is reduced to 41 ℃, and the materials are neutralized by 320-340 sodium hydroxide solution with the mass percentage concentration of 28-30% while stirring until the pH value is 7.5;
(6) then cooling to 25 ℃, filtering and discharging to obtain the pigment printing paste gel dispersant product.
Example 2
(1) Adding water 143 and maleic anhydride 51 into a reaction kettle, heating to 53 ℃ to completely dissolve the maleic anhydride, and neutralizing by using a sodium hydroxide solution 37 with the mass percent concentration of 28-30% to obtain a neutralized solution for later use;
(2) adding 183 methacrylic acid, 45 parts of sodium vinylsulfonate and 181 parts of water into the No. 1 dropping tank, and uniformly stirring for later use;
(3) adding 42.5 mass percent of hydrogen peroxide solution with the concentration of 30-35% into the No. 2 dropping tank for later use;
(4) stirring and heating the materials in the reaction kettle, starting to simultaneously dropwise add the solution in the No. 1 dropping tank and the solution in the No. 2 dropping tank when the temperature in the reaction kettle is raised to 93 ℃, keeping the temperature at 91-96 ℃, finishing adding the methacrylic acid and the sodium vinyl sulfonate solution in the No. 1 dropping tank within 3.3 hours, and finishing adding the hydrogen peroxide solution in the No. 2 dropping tank within 4.2 hours;
(5) after the dropwise addition of the hydrogen peroxide solution in the No. 2 dropping tank is finished, the materials are subjected to heat preservation reaction at the temperature of 91-96 ℃ for 37 minutes, then the temperature is reduced to 42 ℃, and the materials are neutralized by 320-340 sodium hydroxide solution with the mass percentage concentration of 28-30% while stirring until the pH value is 7.6;
(6) then cooling to 28 ℃, filtering and discharging to obtain the pigment printing paste gel dispersant product.
Example 3
(1) Adding water 146 and maleic anhydride 52 into a reaction kettle, heating to 55 ℃ to completely dissolve the maleic anhydride, and neutralizing with sodium hydroxide solution 38 with the mass percent concentration of 28% -30% to obtain a neutralization solution for later use;
(2) adding 189 parts of methacrylic acid, 46 parts of sodium vinylsulfonate and 185 parts of water into the No. 1 dropping tank, and uniformly stirring for later use;
(3) adding a hydrogen peroxide solution 43 with the mass percentage concentration of 30-35% into the No. 2 dropping tank for later use;
(4) stirring and heating the materials in the reaction kettle, starting to simultaneously dropwise add the solution in the No. 1 dropping tank and the solution in the No. 2 dropping tank when the temperature in the reaction kettle is raised to 95 ℃, keeping the temperature at 91-96 ℃, finishing adding the methacrylic acid and the sodium vinyl sulfonate solution in the No. 1 dropping tank within 3.4 hours, and finishing adding the hydrogen peroxide solution in the No. 2 dropping tank within 4.7 hours;
(5) after the dropwise addition of the hydrogen peroxide solution in the No. 2 dropping tank is finished, the materials are subjected to heat preservation reaction at the temperature of 91-96 ℃ for 35-45 minutes, then the temperature is reduced to 46 ℃, and the materials are neutralized by 320-340 sodium hydroxide solution with the mass percentage concentration of 28-30% while stirring until the pH value is 7.6;
(6) then cooling to 28 ℃, filtering and discharging to obtain the pigment printing paste gel dispersant product.
Example 4
(1) Adding water 148 and maleic anhydride 53 into a reaction kettle, heating to 59 ℃ to completely dissolve the maleic anhydride, and neutralizing by using a sodium hydroxide solution 39 with the mass percent concentration of 28-30% to obtain a neutralized solution for later use;
(2) adding 194 parts of methacrylic acid, 47 parts of sodium vinylsulfonate and 189 parts of water into the No. 1 dropping tank, and uniformly stirring for later use;
(3) adding 43.5 percent of hydrogen peroxide solution with the mass percentage concentration of 30-35 percent into the No. 2 dropping tank for later use;
(4) stirring and heating the materials in the reaction kettle, starting to simultaneously dropwise add the solution in the No. 1 dropping tank and the solution in the No. 2 dropping tank when the temperature in the reaction kettle is increased to 95 ℃, keeping the temperature at 91-96 ℃, finishing adding the methacrylic acid and the sodium vinyl sulfonate solution in the No. 1 dropping tank within 3.5 hours, and finishing adding the hydrogen peroxide solution in the No. 2 dropping tank within 4.8 hours;
(5) after the dropwise addition of the hydrogen peroxide solution in the No. 2 dropping tank is finished, the materials are subjected to heat preservation reaction at the temperature of 91-96 ℃ for 42 minutes, then the temperature is reduced to 48 ℃, and the materials are neutralized by 320-340 sodium hydroxide solution with the mass percentage concentration of 28-30% while stirring until the pH value is 7.6;
(6) then cooling to 30 ℃, filtering and discharging to obtain the pigment printing paste gel dispersant product.
Example 5
(1) Adding 150 parts of water and 54 parts of maleic anhydride into a reaction kettle, heating to 58 ℃ to completely dissolve the maleic anhydride, and neutralizing with 28-30% by mass of sodium hydroxide solution 40 to obtain a neutralized solution for later use;
(2) adding methacrylic acid 198, sodium vinylsulfonate 48 and water 193 into the No. 1 dropping tank, and uniformly stirring for later use;
(3) adding a hydrogen peroxide solution 44 with the mass percentage concentration of 30-35% into the No. 2 dropping tank for later use;
(4) stirring and heating the materials in the reaction kettle, starting to simultaneously dropwise add the solution in the No. 1 dropping tank and the solution in the No. 2 dropping tank when the temperature in the reaction kettle is raised to 95 ℃, keeping the temperature at 91-96 ℃, finishing adding the methacrylic acid and the sodium vinyl sulfonate solution in the No. 1 dropping tank for 3.4 hours, and finishing adding the hydrogen peroxide solution in the No. 2 dropping tank for 5 hours;
(5) after the dropwise addition of the hydrogen peroxide solution in the No. 2 dropping tank is finished, the materials are subjected to heat preservation reaction at the temperature of 91-96 ℃ for 43 minutes, then the temperature is reduced to 46 ℃, and the materials are neutralized by 320-340 sodium hydroxide solution with the mass percentage concentration of 28-30% while stirring until the pH value is 7.5;
(6) then cooling to 38 ℃, filtering and discharging to obtain the pigment printing paste gel dispersant product.
The application method of the pigment printing paste gel dispersant comprises the following steps: taking the gelled pigment printing black color paste or white color paste, adding 1-2% of the powder product, stirring uniformly, and directly printing.
Application experiment detection:
the products obtained in the examples 1 to 5 are used for respectively printing black paste on the gel coating, and the stirring and the dispersion are carried out according to the ratio of 1.5: 100; the viscosity after dispersion was: 15150 and 15560 centipoise.
Comparative example: adding sodium chloride by a traditional method, stirring and dispersing the gelled pigment printing black paste, and thickening by using a thickening agent; the viscosity is: 15550 centipoise.
Pure cotton white cloth (20 × 20/60 × 60) was subjected to pigment printing with a 120-mesh flat screen, and then dried at 140-.
And (3) testing results:
the test method comprises the following steps:
and (3) detecting the color fastness to rubbing: testing according to GB/T3920-1997.
And (3) detecting color fastness to washing: tested according to GB/T3921.1-1997.
Printing viscosity index (PVI value): viscosity at 60 revolutions per minute/viscosity at 6 revolutions per minute. The higher the PVI value, the better the rheology of the paste. The viscosity was measured at 23 ℃ using a BrookFIELD DV 2 type viscometer, spindle No. 6.
Leveling property: the leveling property is good without cloud spot phenomenon when the method is measured by visual inspection.
Water holding capacity: the pattern fineness is determined by observing the pattern fineness, the pattern fineness is determined, the water holding capacity is good if no infiltration phenomenon exists, and the water holding capacity is not good if the infiltration phenomenon exists.
Color yield: the measurement is carried out by a visual method.
The detection results show that the pigment printing paste gel dispersing agent can disperse gel generated by black and white paste, and the dispersed printing paste has good rheological property and strong water holding capacity; the printed product has fine patterns, good level-dyeing property, excellent fastness and good color, avoids waste and reduces pollution.
Claims (2)
1. The preparation method of the textile pigment printing paste gel dispersant is characterized by comprising the following steps:
the raw materials by weight ratio:
(1) adding 140 parts of water and 150 parts of maleic anhydride and 50-54 parts of maleic anhydride into a reaction kettle, heating to 50-60 ℃ to completely dissolve the maleic anhydride, and neutralizing by 36-40 parts of sodium hydroxide solution with the mass percentage concentration of 28-30% to obtain a neutralization solution for later use;
(2) adding 198 parts of methacrylic acid 180-;
(3) 42-44 parts of hydrogen peroxide solution with the mass percentage concentration of 30-35% is added into the No. 2 dropping tank for later use;
(4) stirring and heating the materials in the reaction kettle, starting to simultaneously dropwise add the solution in the No. 1 dropping tank and the solution in the No. 2 dropping tank when the temperature in the reaction kettle rises to 91-96 ℃, keeping the temperature at 91-96 ℃, dropwise adding the methacrylic acid and the sodium vinyl sulfonate aqueous solution in the No. 1 dropping tank for 3-3.5 hours, and dropwise adding the hydrogen peroxide solution in the No. 2 dropping tank for 4-5 hours;
(5) after the dropwise addition of the hydrogen peroxide solution in the No. 2 dropping tank is finished, the materials are subjected to heat preservation reaction at the temperature of 91-96 ℃ for 35-45 minutes, then the temperature is reduced to 40-50 ℃, and 340 parts of sodium hydroxide solution with the mass percentage concentration of 28-30% are used for neutralization while stirring until the pH value is 7.5-8.0;
(6) then cooling to 20-40 ℃, filtering and discharging to obtain a product;
chemical indexes of the product are as follows:
the appearance is colorless to light yellow liquid
Ionic anions
pH value of 7.5-8.0
Solid content (%): 39 ± 1.
2. A gel dispersant for textile pigment printing paste obtained by the preparation method of claim 1.
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| CN103114470B (en) * | 2012-12-26 | 2015-01-07 | 辽宁恒星精细化工有限公司 | Acid dye printing white background anti-fouling agent and preparation method thereof |
| CN103951794A (en) * | 2014-04-01 | 2014-07-30 | 海安县国力化工有限公司 | Low-foam polycarboxylate dispersant and its preparation method |
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