Polyacrylic acid synthetic thickener for reactive dye printing of viscose fabric and its preparation method and application

A technology for synthesizing thickeners and reactive dyes, which can be used in dyeing, textiles, and papermaking. It can solve the problems of insufficient modification of organic silicon, and achieve high levels of color fastness to soaping, good softness, and viscosity changes. small effect

Active Publication Date: 2022-07-01
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent CN100418990C is obtained by mixing acrylic thickener and modified silicone linear body; Chinese patent application CN108677566A adopts modified silicone emulsion blending; Chinese patent application CN105735007A adopts blending hydrophilic silicone oil; the above improvement scheme is due to It is physical mixing, and the modification effect of silicone is not sufficient, which needs further improvement
[0004] Polyacrylic acid-based synthetic thickener is a paste that is widely used, but there are still some deficiencies in its use in reactive dye printing paste for viscose fabrics.

Method used

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  • Polyacrylic acid synthetic thickener for reactive dye printing of viscose fabric and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The preparation method of polyacrylic acid synthetic thickener printed with reactive dyes of viscose fabric, the concrete method comprises the following steps:

[0025] (1) Dissolve 1 mL of methacrylic acid and 15 g of starch in 300 mL of deionized water, adjust the pH value of the reaction solution to 10.5 with lye, stir the reaction, the reaction temperature is 80 °C, and the reaction time is 3 h, and the methacrylic acid is prepared. Branch starch modification liquid.

[0026] (2) 1 mL of methacrylic acid, 150 mL of the methacrylic acid grafted starch modified solution obtained in step (1), and 2 mL of 3-methacrylic acid propyl tris(trimethoxysilicon) were simultaneously dissolved in 100 mL of deionized water to configure as For the monomer solution, 1.25g of ammonium persulfate was dissolved in 85mL of deionized water to prepare an initiator solution for later use; then under stirring conditions, the temperature was controlled to 80 °C, and the prepared monomer solu...

Embodiment 2

[0030] The preparation method of polyacrylic acid synthetic thickener printed with reactive dyes of viscose fabric, the concrete method comprises the following steps:

[0031] (1) Dissolve 1 mL of methacrylic acid and 10 g of starch in 200 mL of deionized water, adjust the pH of the reaction solution to 10 with lye, and stir the reaction. Branch starch modification liquid.

[0032] (2) Dissolve 1 mL of methacrylic acid, 100 mL of the methacrylic acid grafted starch modified solution obtained in step (1), and 1 mL of 3-methacrylic acid propyl tris(trimethoxysilicon) simultaneously in 100 mL of deionized water to configure as follows: Monomer solution, 1g of ammonium persulfate was dissolved in 50mL of deionized water to prepare an initiator solution for later use; then under stirring conditions, the temperature was controlled to 79°C, and the prepared monomer solution and ammonium persulfate initiator solution were dropped respectively. Add it to a four-necked flask containing...

Embodiment 3

[0036] The preparation method of polyacrylic acid synthetic thickener printed with reactive dyes of viscose fabric, the concrete method comprises the following steps:

[0037] (1) Dissolve 1 mL of methacrylic acid and 20 g of starch in deionized water, adjust the pH of the reaction solution to 11 with lye, stir the reaction, the reaction temperature is 81 °C, and the reaction time is 4 h to obtain the methacrylic acid grafting starch modified liquid.

[0038] (2) Dissolve 1 mL of methacrylic acid, 200 mL of the methacrylic acid grafted starch modified solution obtained in step (1), and 3 mL of 3-methacrylic acid propyl tris(trimethoxysilicon) simultaneously in 100 mL of deionized water to prepare For the monomer solution, 1.5g of ammonium persulfate was dissolved in 75mL of deionized water to prepare an initiator solution for later use; then under stirring, the temperature was controlled to 81 °C, and the prepared monomer solution and ammonium persulfate initiator solution wer...

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Abstract

The invention relates to a polyacrylic acid synthetic thickener for reactive dye printing of viscose fabrics and a preparation method and application thereof. The thickener in the present invention is prepared by the graft reaction of methacrylic acid and starch to obtain methacrylic acid grafted starch modified liquid, and methacrylic acid, methacrylic acid grafted starch modified liquid and 3-methacrylic acid propylene Base three (trimethoxysilicon) is obtained by polymerization reaction to obtain polyacrylic acid aqueous solution, and finally obtained by distillation under reduced pressure. The polyacrylic acid synthetic thickener prepared by the invention is used for the reactive dye printing of viscose fabrics, and the prepared printing fabrics show that the degumming rate is higher than 90%; the softness is good; the outline definition is high; and the permeability is higher than 91%; It has the characteristics of high color fastness to dry rubbing and color fastness to soaping, and has a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of preparation and application of emulsified paste, and in particular relates to a polyacrylic acid synthetic thickener for reactive dye printing of viscose fabrics and a preparation method and application thereof. Background technique [0002] Printing paste refers to a polymer compound that thickens in the color paste, which can be dispersed in water to make a thick colloidal solution with a certain concentration. In the actual printing process of textiles, the paste is the carrier that transfers the dyes and chemicals in the printing paste to the fabric, and is the main component of the printing paste. Although there are many factors affecting the printing quality, the properties of the printing paste largely determine the final printing effect of the fabric and are the key factor affecting the printing effect. [0003] At present, anionic polyacrylate thickeners are widely used in China, but the color a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P1/38D06P1/52D06P1/649D06P3/66C08F251/00C08F285/00C08F220/06C08F230/08
CPCD06P1/38D06P3/66D06P1/5257D06P1/6491C08F251/00C08F285/00C08F220/06C08F230/085
Inventor 彭雄义周凡雨刘仰硕董雄伟李强蔡亚君
Owner WUHAN TEXTILE UNIV
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