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CN-122013569-A - Anti-staining soaping agent for PAA-PVP-AMPS terpolymer based cotton and preparation method and application thereof

CN122013569ACN 122013569 ACN122013569 ACN 122013569ACN-122013569-A

Abstract

The invention relates to a PAA-PVP-AMPS terpolymer based anti-staining soaping agent for cotton, a preparation method and application thereof, wherein the anti-staining soaping agent comprises, by weight, 25-35% of PAA-PVP-AMPS terpolymer aqueous solution, 5-12% of bio-based nonionic surfactant, 4-8% of green chelating agent, 2-5% of low-foaming penetrating agent and 40-64% of deionized water, and the PAA-PVP-AMPS terpolymer is polymerized by acrylic acid, polyvinylpyrrolidone and 2-acrylamide-2-methylpropanesulfonic acid. The anti-sticking soaping agent disclosed by the invention takes PAA and PVP complex as main bodies, AMPS is taken as a third monomer, and the PAA-PVP-AMPS ternary comb copolymer is constructed, and the anti-sticking agent is cooperated with a bio-based nonionic surfactant, a green chelating agent and a low-foam penetrating agent, so that the anti-sticking effect and the acid and alkali resistance are obviously improved, and the anti-sticking agent is suitable for a 60-80 ℃ soaping process, and is environment-friendly.

Inventors

  • XU MEIJUN
  • WANG QIMING
  • ZHA PENGCHENG

Assignees

  • 江苏尼美达科技有限公司

Dates

Publication Date
20260512
Application Date
20260326

Claims (10)

  1. 1. The anti-staining soaping agent for the PAA-PVP-AMPS terpolymer base cotton is characterized by comprising the following components in percentage by weight: 25-35% of PAA-PVP-AMPS terpolymer aqueous solution 5-12% Of bio-based nonionic surfactant Green chelating agent 4-8% 2-5% Of low-foam penetrating agent Deionized water 40-64% The solid content of the PAA-PVP-AMPS terpolymer aqueous solution is 30-40%; The PAA-PVP-AMPS terpolymer is polymerized by 25-40 parts of acrylic acid AA, 10-20 parts of polyvinylpyrrolidone PVP and 8-15 parts of 2-acrylamide-2-methylpropanesulfonic acid AMPS.
  2. 2. The anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton according to claim 1, wherein the PAA-PVP-AMPS terpolymer is prepared by the following preparation method: (1) Adding deionized water into a reaction kettle, heating to 75-85 ℃, and introducing nitrogen for protection; (2) Sequentially adding AA monomer, PVP and an initiator, stirring at constant temperature for reacting for 1.5-2h, then dropwise adding mixed solution of AMPS monomer and chain transfer agent, controlling the dropwise adding time to be 1-1.5h, carrying out heat preservation for reacting for 2-3h after dropwise adding, cooling to below 40 ℃, and regulating pH to 6.0-7.0 by using sodium hydroxide solution to obtain aqueous solution of PAA-PVP-AMPS terpolymer with 30-40% of solid content.
  3. 3. The anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton, as set forth in claim 2, wherein the initiator is ammonium persulfate in an amount of 0.8-1.2% by weight of the total monomer, and the chain transfer agent is thioglycolic acid in an amount of 0.3-0.5% by weight of the total monomer.
  4. 4. The anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton of claim 1, wherein the bio-based nonionic surfactant is one or more of C8-C14 coco alkyl glycoside, C8-C10 alkyl glycoside, and C12-C14 lauryl glycoside.
  5. 5. The anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton of claim 4, wherein the bio-based nonionic surfactant is a compound of C8-C14 cocoalkyl glycoside and C8-C10 alkyl glycoside in a weight ratio of 6-8:2-3.
  6. 6. The anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton of claim 1, wherein the green chelating agent is tetrasodium glutamate diacetate GLDA-Na4.
  7. 7. The anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton, as claimed in claim 1, wherein the low-foaming penetrating agent is isomeric tridecanol polyoxyethylene ether, and the structural addition number of ethylene oxide EO is 7-9.
  8. 8. A method of preparing a soap stain resistant lotion for PAA-PVP-AMPS terpolymer based cotton according to any one of claims 1 to 7, comprising the steps of: (1) Adding deionized water into a clean reaction kettle at normal temperature, opening stirring, sequentially adding a green chelating agent and a bio-based nonionic surfactant, and stirring until the components are completely dissolved; (2) Adding a low-foam penetrating agent, and continuously stirring; (3) Slowly adding the PAA-PVP-AMPS terpolymer aqueous solution, stirring until the system is uniform and transparent, standing and defoaming to obtain the PAA-PVP-AMPS terpolymer aqueous solution.
  9. 9. The method for preparing the anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton, as set forth in claim 8, is characterized by comprising the following steps: (1) Adding deionized water into a clean reaction kettle at normal temperature, opening stirring, sequentially adding a green chelating agent and a bio-based nonionic surfactant, and stirring for 10-15min until the components are completely dissolved; (2) Adding low-foam penetrant, and stirring for 5-10min; (3) Slowly adding the PAA-PVP-AMPS terpolymer aqueous solution, controlling the stirring speed to be 200-300r/min, stirring for 30-40min until the system is uniform and transparent, standing and defoaming to obtain the PAA-PVP-AMPS terpolymer aqueous solution.
  10. 10. The application of the anti-staining soap lotion for PAA-PVP-AMPS terpolymer based cotton, which is characterized in that the active anti-staining soap lotion for cotton is used for soaping pure cotton active dyed fabrics, wherein the soaping process conditions are that the bath ratio is 1:15-25, the using amount of the soap lotion is 1.0-2.0g/L, the temperature is 60-80 ℃, the time is 15-25min, and the cotton is dried after 2 times of hot water washing and 1 time of cold water washing.

Description

Anti-staining soaping agent for PAA-PVP-AMPS terpolymer based cotton and preparation method and application thereof Technical Field The invention belongs to the technical field of chemical additives, and particularly relates to a anti-sticking soaping agent for PAA-PVP-AMPS terpolymer base cotton, and a preparation method and application thereof. Background The reactive dye is generally used as the first choice for dyeing and printing cotton fiber due to the advantages of full color spectrum, bright color, low cost and the like, but has the fatal problem that about 20-40% of dye is not covalently bonded with cotton fiber to form unfixed dye when ① is dyed, ② dye active groups are easy to hydrolyze into hydrolytic dye when meeting water and alkali, the adsorptivity of the hydrolytic dye is close to that of the reactive dye, fabrics are easy to be stained back, and the floating color after ③ soaping is not stably dispersed, can be adsorbed for the second time under high temperature and high salt, so that white soil contamination, cross color, color fastness reduction and dark color printing are caused. In order to solve the problems, the soaping agent is mainly used for treating the dyed fabric. Most of the prior art in recent years is PAA (polyacrylic acid) or PAA-PVP binary complex system, which has certain dispersing and chelating capacity, but has the obvious defects that firstly, the salt and alkali resistance is insufficient, flocculation is easy to occur under the environment of high salt (sodium sulfate residue) and high alkali (pH 9-11 of a soaping system) after reactive dyeing, the dispersion stability is reduced, secondly, the dye coating anti-rewetting effect is limited, the anti-rewetting grade of the white land is more than 3, the high end material requirement is difficult to meet, thirdly, soaping is needed at a high temperature of 95-98 ℃, the energy consumption and the water consumption are extremely high, and part of products contain phosphorus, APEO and other harmful substances and do not meet the environmental protection policy requirement. The problem cannot be solved fundamentally. Some soaping agents have conflict with dyeing and finishing aids (such as color fixing agents and leveling agents), can cause the problems of color change, hard hand feeling and the like, are sensitive to water hardness, and greatly reduce the performance in high calcium and magnesium ion water quality. The traditional soaping agent contains phosphorus, APEO (alkylphenol ethoxylates) and the like, does not meet the current environmental protection policy requirements, and can cause eutrophication pollution to water after being discharged. Along with the quality upgrading of the textile industry, the market is in urgent need of an active anti-staining soaping agent for cotton, which has the advantages of high efficiency in anti-staining, strong weather resistance, low temperature energy conservation and environmental protection. Disclosure of Invention The invention aims to provide a PAA-PVP-AMPS terpolymer based anti-sticking soaping agent for cotton, which takes polyacrylic acid PAA and polyvinylpyrrolidone PVP complex as main bodies, introduces 2-acrylamide-2-methylpropanesulfonic acid AMPS as a third monomer to construct a PAA-PVP-AMPS terpolymer comb-shaped copolymer, cooperates with a bio-based nonionic surfactant, a green chelating agent and a low-foam penetrating agent, remarkably improves anti-sticking effect and acid and alkali resistance, and is suitable for a 60-80 ℃ low-temperature soaping process, thereby being green and environment-friendly. The invention solves the problems by adopting the technical scheme that the anti-staining soap lotion for PAA-PVP-AMPS terpolymer base cotton comprises the following components in percentage by weight: 25-35% of PAA-PVP-AMPS terpolymer aqueous solution 5-12% Of bio-based nonionic surfactant Green chelating agent 4-8% 2-5% Of low-foam penetrating agent Deionized water 40-64% The solid content of the PAA-PVP-AMPS terpolymer aqueous solution is 30-40%; The PAA-PVP-AMPS terpolymer in the PAA-PVP-AMPS terpolymer aqueous solution is formed by polymerizing 25-40 parts by weight of acrylic acid AA, 10-20 parts by weight of polyvinylpyrrolidone PVP and 8-15 parts by weight of 2-acrylamide-2-methylpropanesulfonic acid AMPS, wherein the K value of polyvinylpyrrolidone is 30-60. Preferably, the PAA-PVP-AMPS terpolymer is prepared by the following preparation method: (1) Adding deionized water into a reaction kettle, heating to 75-85 ℃, and introducing nitrogen for protection; (2) Sequentially adding AA monomer, PVP and an initiator, stirring at constant temperature for reacting for 1.5-2h, then dropwise adding a mixed solution of AMPS monomer and a chain transfer agent, controlling the dropwise adding time to be 1-1.5h, carrying out heat preservation for reacting for 2-3h after dropwise adding, cooling to below 40 ℃, and regulating the pH to 6.0-7.0 by using a sodium hyd