Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

One-bath low-temperature desizing, refining and bleaching pretreatment method of cotton woven fabric

A fabric and desizing technology, applied in the field of dyeing and finishing, can solve the problems of fiber damage, high energy consumption, severe reaction conditions, etc., and achieve the effects of avoiding strong damage to fabrics, improving production efficiency, and shortening the process flow

Active Publication Date: 2014-12-24
HENAN INST OF ENG
View PDF3 Cites 13 Cited by
  • 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 that the bleaching of pure cotton woven fabrics and cotton-containing woven fabrics needs to be carried out under high temperature alkaline conditions, the reaction conditions are severe, the fibers are seriously damaged, the energy consumption is large, the cost is high, and it is not conducive to enzymatic desizing , refining and hydrogen peroxide bleaching one-bath treatment, providing a milder and more efficient one-bath treatment method, so as to protect the fiber from damage, shorten the process flow, and save energy

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • One-bath low-temperature desizing, refining and bleaching pretreatment method of cotton woven fabric
  • One-bath low-temperature desizing, refining and bleaching pretreatment method of cotton woven fabric
  • One-bath low-temperature desizing, refining and bleaching pretreatment method of cotton woven fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A one-bath low-temperature desizing, refining and bleaching pretreatment method for cotton woven fabrics, the process is as follows: Add amylase, pectinase, lipase, ligninase, hydrogen peroxide, acyloxy group to the one-bath pretreatment system A new type of bleach activator (Shangyu Jiehua Chemical Co., Ltd., the structural formula is Auxiliaries and chelating agents, adjust the pH to 7 with acetic acid, put the fabric (pure cotton woven gray fabric, the size used is starch slurry) into the pretreatment solution at a bath ratio of 1:50, and heat up at a heating rate of 2°C / min to 50°C, keep warm for 60 minutes, and finally wash and dry the fabric.

[0019] The one-bath processing prescription is as follows:

[0020]

[0021]

Embodiment 2

[0023] A one-bath low-temperature desizing, refining and bleaching pretreatment method for cotton woven fabrics, the process is as follows: Add amylase, pectinase, lipase, ligninase, hydrogen peroxide, acyloxy group to the one-bath pretreatment system Novel bleach activator (structural formula is Auxiliaries and chelating agents, adjust the pH to 6 with hydrochloric acid, put the fabric (pure cotton woven gray fabric, the size used is starch slurry) into the pretreatment solution at a bath ratio of 1:20, and heat up at a heating rate of 2°C / min To 45 ℃, keep warm for 60min, finally wash the fabric and dry it.

[0024] The one-bath processing prescription is as follows:

[0025]

Embodiment 3

[0027] A one-bath low-temperature desizing, refining and bleaching pretreatment method for cotton woven fabrics, the process is as follows: add PVA enzyme, pectinase, lipase, ligninase, hydrogen peroxide, acyloxy group to the one-bath pretreatment system Novel bleach activator (structural formula is Penetrant SF and chelating agent, adjust the pH to 6 with sodium bicarbonate, put the fabric (pure cotton woven gray fabric, the slurry used is PVA slurry) into the pretreatment solution at a bath ratio of 1:50, at a rate of 2°C / min The heating rate was raised to 60°C, and the temperature was kept for 60 minutes. Finally, the fabric was washed and dried.

[0028] The one-bath processing prescription is as follows:

[0029]

[0030]

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a one-bath low-temperature desizing, refining and bleaching pretreatment method of cotton woven fabric. The method comprises the steps of adding 1-5g / L of bio-enzyme for desizing, 3-8g / L of bio-enzyme for refining, 2-6g / L of hydrogen peroxide, 1-4g / L of a bleach activator, 2-6g / L of a chelating agent and 0.5-4g / L of an auxiliary agent into a one-bath system, adjusting the pH value to 6.0-7.5, putting the fabric into a dye bath according to the bath ratio of 1: (10-100), heating up to 50-70 DEG C at the speed of 0.5-2 DEG C / minute, carrying out heat preservation for 40-120 minutes, finally, washing the fabric with water, and drying or airing. The bio-enzyme for desizing, the bio-enzyme for refining and the bleach activator are added into a pretreatment system of the cotton woven fabric, so that the processes of desizing, refining and bleaching of the cotton woven fabric can be carried out in one bath at a low temperature, the strength damage to the fabric is avoided, the technological process of the dyeing and finishing pretreatment of the cotton woven fabric can be shortened, the energy consumption is reduced, and the production efficiency is increased.

Description

technical field [0001] The invention belongs to the technical field of dyeing and finishing, and relates to a one-bath low-temperature desizing, refining and bleaching pretreatment method for cotton woven fabrics. The method is suitable for low-temperature desizing, refining and bleaching pretreatments of pure cotton woven fabrics or cotton-containing woven fabrics . Background technique [0002] Cotton fabric is a type of textile fabric that currently occupies a large market share. Among them, cotton woven fabrics are used in shirts, suits, trousers, home textiles and other fields because of their stable size and shape and comfortable wearing. However, in the weaving process of cotton woven fabrics, in order to enhance the spinnability of the fabrics, warp sizing is required, so that the fabrics have a size of about 8%, and the cotton fibers themselves contain oil, wax paper, ash, pectin, lignin, pigments, etc. Natural impurities, the above-mentioned sizing or impurities n...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): D06M16/00D06L3/02D06M101/06D06L4/12D06L4/13
Inventor 曹机良孟春丽魏媛张晓静洪亮程献伟
Owner HENAN INST OF ENG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com