Thickening agent for printing and preparation method thereof

A thickener and printing technology, applied in the field of thickener for printing and its preparation, can solve the problems of unclear outline and poor viscoelasticity of printed fabrics, and achieve the effect of clear outline and high structural viscosity

Inactive Publication Date: 2014-08-06
ZHANGJIAGANG SHUNCHANG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the commonly used pastes are synthetic thickeners, which are mainly cross-linked by acrylic acid and maleic acid. property) is poor, the outline of the printed fabric is not clear

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Add 65g of sodium alginate and 32g of sodium carboxymethyl cellulose powder into 260g of cold water, stir with an electric mixer for about 50-60 minutes, until it is transparent without lumps and pure, then 12g etherified guar gum and 23g carboxymethyl starch , 15g of polyacrylic acid thickener blending oil, 12g of bentonite, stir for 4h, stand overnight until the mixture is fully expanded, and then the printing thickener is prepared.

Embodiment 2

[0023] Add 70g of sodium alginate and 40g of sodium carboxymethyl cellulose powder into 380g of cold water, stir with an electric mixer for about 50-60 minutes, until it is transparent without lumps and pure, then 14g etherified guar gum and 26g carboxymethyl starch , 18g polyacrylic acid thickener blending oil, 18g bentonite, stir for 4h, stand overnight until the mixture is fully puffed, then the printing thickener is prepared.

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PUM

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Abstract

The invention discloses a thickening agent for printing, which comprises the following components in parts by weight: 10-15 parts of etherified guar gum, 60-70 parts of sodium alginate, 30-50 parts of sodium carboxymethylcellulose, 20-30 parts of carboxymethyl starch, 12-20 parts of polyacrylic acid thickening agent blending stock, 10-20 parts of bentonites and 200-400 parts of water. The preparation method of the thickening agent comprises the following steps of: adding sodium alginate and sodium carboxymethylcellulose powder to water, and mechanically stirring till a solution is transparent and clear without a block; then adding the etherified guar gum, the carboxymethyl starch, the polyacrylic acid thickening agent blending stock and the bentonite, uniformly stirring, and standing to bulk the mixed solution so as to obtain the printing thickening agent. In the preparation process, with the bulking of the paste material, the sodium carboxymethylcellulose forms three-dimensional net structure among macromolecules of paste material or at the joints of molecular chain segments because of intermolecular attraction; moreover, besides a macromolecular chain hydration layer, a large amount of water is wrapped to form a gel state, so as to generate very high structural viscocity; therefore, a printing fabric has a clear outline.

Description

Technical field [0001] The invention relates to the technical field of thickeners, in particular to a thickener for printing and a preparation method thereof. Background technique [0002] Printing requires the color to be obtained in the place where the pattern is formed on the fabric. Therefore, in order to obtain a clear pattern, in addition to the necessary chemicals, an appropriate thickener is generally added to the dye solution to prevent the dye from occurring along the capillary between the fibers. Permeation, the paste is a polymer compound that can be added to the printing paste to make it thicker. [0003] At present, the commonly used pastes are synthetic thickeners, which are mainly made of acrylic and maleic acid cross-linked. They have good rheological properties. After printing, the fabric has a high color yield and bright color, but it is viscoelastic. Sex) is poor, the outline of the printed fabric is not clear. Summary of the invention [0004] The technical pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P1/44D06P1/48D06P1/50D06P1/52D06P1/673
Inventor 顾丰平
Owner ZHANGJIAGANG SHUNCHANG CHEM
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