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Preparation method of printing thickener

A thickener and printing technology, which is applied in the field of preparation of printing thickeners, can solve problems such as low salt resistance, poor washing fastness and hand feeling, and decreased viscosity, and achieve good compatibility, convenient preparation, and high The effect of viscosity

Inactive Publication Date: 2017-05-10
袁春华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a printing thickener for the defects of viscosity drop, low salt resistance and poor wash fastness and hand feeling after printing caused by traditional printing thickeners during use. The preparation method of the agent
The printing thickener prepared by the invention solves the problem of viscosity drop during use, has excellent thickening ability and salt resistance, and the washing fastness and softness of the fabric after printing with printing paste are significantly improved. improve

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Take fresh pigskin, manually remove the cortex and hair on its surface, and wash it with deionized water for 3 times, then put the washed pigskin in a container, add deionized water to immerse it, and heat it to 80°C, Keep warm for 1 hour, take out the pigskin, and put it in a meat grinder for grinding. Take 200g of the ground pigskin and add it to the beaker, then add 1L of 10% sodium carbonate solution, stir for 20 minutes, and then add 6g Sodium chloride, stirred for 2 hours, then filtered, and collected the filter residue; put the above filter residue into a beaker, then added 300mL deionized water, and put it in an oil bath, raised the temperature to 120°C, stirred and extracted for 6 hours, and then placed it in a centrifuge , centrifuge at 5000r / min for 20min, collect the supernatant, weigh 30g of ammonium sulfate and add it to the supernatant, stir for 20min, then place it in a centrifuge, and centrifuge at 3000r / min for 30min to collect the pigskin gelatin preci...

example 2

[0022] Take fresh pigskin, manually remove the cortex and hair on its surface, and wash it with deionized water for 5 times, then put the washed pigskin in a container, add deionized water to immerse it, and heat it to 90°C, Keep warm for 2 hours, take out the pigskin, and put it in a meat grinder for grinding, take 300g of the ground pigskin and add it to the beaker, then add 2L of 10% sodium carbonate solution, stir for 30min, then add 8g Sodium chloride, stirred for 3 hours, then filtered, and collected the filter residue; put the above filter residue into a beaker, then added 400mL deionized water, and put it in an oil bath, raised the temperature to 130°C, stirred and extracted for 8 hours, and then placed it in a centrifuge , centrifuge at 6000r / min for 30min, collect the supernatant, weigh 40g of ammonium sulfate and add it to the supernatant, stir for 30min, then place it in a centrifuge, and centrifuge at 4000r / min for 40min to collect the pigskin gelatin precipitate i...

example 3

[0026] Take fresh pigskin, manually remove the cortex and hair on its surface, and wash it 4 times with deionized water, then put the washed pigskin in a container, add deionized water to immerse it, and heat it to 85°C, Keep warm for 2 hours, take out the pigskin, and put it in a meat grinder for grinding, take 250g of the ground pigskin and put it into a beaker, then add 2L of 10% sodium carbonate solution, stir for 25min, then add 7g Sodium chloride, stirred for 3 hours, then filtered, and collected the filter residue; put the above filter residue into a beaker, then added 350mL deionized water, and put it in an oil bath, raised the temperature to 125°C, stirred and extracted for 7 hours, and then placed it in a centrifuge , centrifuge at 5500r / min for 25min, collect the supernatant, weigh 35g of ammonium sulfate and add it to the supernatant, stir for 25min, then place it in a centrifuge, and centrifuge at 3500r / min for 35min to collect the pigskin gelatin precipitate in th...

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Abstract

The invention relates to a preparation method of a printing thickener and belongs to the technical field of preparation methods of printing thickeners. According to the method, firstly, fresh pigskin is pretreated and then treated through alkali, salt and the like, and pigskin gelatin is obtained; straw is subjected to extraction and alkalization after being treated with hydrogen peroxide and glacial acetic acid, alkalized cellulose is obtained and then reacts with sodium chloroacetate, and etherified cellulose is obtained; finally, the pigskin gelatin is mixed with etherified cellulose, sodium alginate and other components for standing and puffing, and the printing thickener can be obtained. The prepared printing thickener solves the problem of reduction of viscosity during usage and has excellent thickening capability and salt tolerance; the washable firmness and the softness of fabric printed with the prepared printing thickener are remarkably improved. The preparation method is simple to operate and has broad application prospect.

Description

technical field [0001] The invention relates to a method for preparing a printing thickener, and belongs to the technical field of printing thickener preparation. Background technique [0002] Printing thickener is the most commonly used thickener in the printing industry. In printing, two main materials, glue paste and color paste, are used. And because under high shear force, the consistency will be reduced, so a thickener is used to increase the consistency of the printing material, and a printing thickener is used at this time. [0003] Printing thickener has a long history of development. The size used a long time ago was starch or modified starch. This kind of thickener is called natural thickener. The fastness to washing is also poor, and the hand of the fabric is not satisfactory. At present, some thickeners have been gradually eliminated. By the 1950s, people introduced A state pulp, which made the printing technology widely used. Abang pulp thickener is forme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/16D06P1/46D06P1/50D06P1/48
CPCD06P1/16D06P1/46D06P1/48D06P1/50
Inventor 袁春华孟中立赵玲玲
Owner 袁春华
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