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Preparation method of instant high-permeability anionic polyacrylamide printing and dyeing thickener

A technology of polyacrylamide and acrylamide, which is used in the preparation of thickeners, printing and dyeing with instant solubility and permeability, and the field of viscosity. It can solve the problems of high content, slow dissolution, and insufficient consistency.

Inactive Publication Date: 2021-03-30
SNF CHINA FLOCCULANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing polyacrylamide thickener products have insufficient consistency and slow dissolution. Most customers use the method of adding more parts to make up for it, but this will cause shortcomings such as high content and poor penetration of dye printing and dyeing from the template.

Method used

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  • Preparation method of instant high-permeability anionic polyacrylamide printing and dyeing thickener

Examples

Experimental program
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Effect test

Embodiment 1

[0020] A preparation method of an instant high-permeability anionic polyacrylamide printing and dyeing thickener, the specific operations are as follows:

[0021] a. Preparation of water phase: add 150kg of acrylic acid and 75kg of acrylamide to 420kg of deionized water and mix, adjust the pH of the solution to 4.7 with 140kg of 48% sodium hydroxide, add 2kg of the third monomer N, N-methylene Bisacrylamide, 0.01kg sodium hypophosphite, 0.075kg Versenex80 additive, fully stirred and dissolved to obtain the water phase;

[0022] b. Preparation of oil phase: Add 100kg of heavy oil and 150kg of light oil under stirring, add 50kg of Span80 / Tween80 compound surfactant with a mass ratio of 10:1, add 20g of AZDN, fully mix and dissolve to obtain clarity the oil phase;

[0023] c. Preparation of emulsion: Slowly add the water phase to the rapidly stirring oil, and then stir for 5 minutes after adding; use a high-power emulsification pump to perform high-speed shear emulsification for...

Embodiment 2

[0028] A preparation method of an instant high-permeability anionic polyacrylamide printing and dyeing thickener, the specific operations are as follows:

[0029] a. Preparation of water phase: add 150kg of acrylic acid and 75kg of acrylamide to 420kg of deionized water and mix, adjust the pH of the solution to 4.7 with 140kg of 48% sodium hydroxide, add 2kg of the third monomer N, N-methylene Bisacrylamide, 0.01kg sodium hypophosphite, 0.075kg Versenex80 additive, fully stirred and dissolved to obtain the water phase;

[0030] b. Preparation of oil phase: Add 100kg of heavy oil and 150kg of light oil under stirring, add 50kg of Span80 / Tween80 compound surfactant with a mass ratio of 10:1, add 20g of AZDN, fully mix and dissolve to obtain clarity and transparency the oil phase;

[0031] c. Preparation of emulsion: Slowly add the water phase to the rapidly stirring oil phase, and then stir for 5 minutes after the addition. Use a high-power emulsification pump to carry out hig...

Embodiment 3

[0036] A preparation method of an instant high-permeability anionic polyacrylamide printing and dyeing thickener, the specific operations are as follows:

[0037] a. Preparation of water phase: add 140kg of acrylic acid and 80kg of acrylamide to 400kg of deionized water and mix them, and adjust the pH of the solution to 4.7 with 130kg of 48% sodium hydroxide. Add 2kg of the third monomer dipropylene phthalate, 0.01kg of sodium hypophosphite, and 0.075kg of Versenex80 additives, stir and dissolve to obtain the water phase;

[0038] b. Preparation of oil phase: Add 110kg of heavy oil and 150kg of light oil under stirring, add 55kg of Span80 / Tween80 compound surfactant with a mass ratio of 10:1, add 10g of AZDN, fully mix and dissolve to obtain clarity and transparency the oil phase;

[0039] c. Preparation of emulsion: Slowly add the water phase to the rapidly stirring oil phase, and then stir for 5 minutes after the addition. Use a high-power emulsification pump to carry out ...

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Abstract

The invention relates to a preparation method of an instant high-permeability anionic polyacrylamide printing and dyeing thickener, which is characterized in that acrylamide is used as a polymerization monomer, a mixture of heavy oil and light oil is used as a continuous oil phase, water is used as a dispersion water phase, and the thickener is compounded with a surfactant for use; then under a redox initiation system, a polymerization reaction is carried out at 15-75 DEG C, and the reaction time is 0.5-1 h. The method can effectively change the defects of insufficient consistency, slow dissolution and the like of the existing polyacrylamide thickener product, does not need to adopt more addition parts for compensation, and avoids the adverse effects of high content, poor downward penetration of dye printing and dyeing from a template and the like.

Description

technical field [0001] The invention belongs to the technical field of thickener preparation, in particular to a preparation method of an instant high-permeability anionic polyacrylamide printing and dyeing thickener, and belongs to the printing and dyeing field of improving the viscosity, instant solubility and permeability of the thickener. Background technique [0002] Thickening Thickening agent is one of the important auxiliary agents in the printing and dyeing industry. It can form insoluble colored substances with dyes on fabrics, which improves the color fastness to washing and perspiration, and also improves the light fastness. With the development of science and technology, dyeing and finishing technology has also been significantly improved. Due to the expansion of international textile trade and the improvement of people's living standards and environmental awareness, textiles are required to be comfortable, clean and safe. Since Germany first launched the "Blue ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/06C08F220/56C08F2/32C08F2/30C08F4/40D06P1/52
CPCC08F220/06C08F2/32C08F2/30C08F4/40D06P1/525C08F220/56
Inventor 朱建凌静常城
Owner SNF CHINA FLOCCULANT