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

Method for increasing dyeing depth of cochineal of cotton fabric

A technology of cochineal and dyeing depth, which is applied in the field of textile dyeing, can solve the problem that cochineal does not dye cotton cloth, and achieve the effects of increasing utilization value, increasing dyeing depth, improving quality and application efficiency

Active Publication Date: 2018-10-09
SHAOXING JIANG HUA CHEM
View PDF5 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: to overcome the problem that cochineal red does not stain cotton cloth in the prior art, provide a kind of modification process reasonable, simple operation process, can improve the dyeing rate of carmine red to cotton cloth, thereby improve cotton cloth cochineal. Red stain depth method

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The method for improving the depth of cotton carmine dyeing, the specific steps are as follows:

[0025] (1) Preparation of bis(3-chloro-2-hydroxypropyl)tetramethylethylenediammonium dichloride: Add 49g of 18% hydrochloric acid into a 250mL four-necked reaction flask, start stirring, and slowly dissolve the four Add 29 g of methylethylenediamine into a four-necked reaction flask, and control the temperature below 40°C. After the addition of tetramethylethylenediamine, the temperature of the reaction solution was raised to 60°C, and then 32 g of epichlorohydrin was slowly added into the four-necked reaction flask, and the addition was completed over 2.5 hours, and the temperature was kept at 60°C for 40 minutes. The product is cooled to below 40°C, and bis(3-chloro-2-hydroxypropyl)tetramethylethylenediammonium dichloride is obtained by discharging.

[0026] (2) Configure cationic modifier solution: dissolve the bis(3-chloro-2-hydroxypropyl)tetramethylethylenediammonium ...

Embodiment 2

[0032] The method for improving the depth of cotton carmine dyeing, the specific steps are as follows:

[0033] (1) Preparation of two (3-chloro-2-hydroxypropyl) tetramethylethylenediammonium dichloride: same as Example 1.

[0034] (2) Configure cationic modifier solution: dissolve the bis(3-chloro-2-hydroxypropyl)tetramethylethylenediammonium dichloride prepared in step (1) in deionized water, fully dissolve and disperse A cationic modifier solution with a concentration of 30 g / L was prepared.

[0035] (3) Cationic modification of cotton cloth: at room temperature, the cotton cloth is soaked and rolled with the cationic modifier solution once, and the liquid-carrying rate of the cotton cloth after padding is 70%, and then dried at 80°C for 8 minutes, and cooled naturally to obtain cotton cloth Improve the semi-finished product; then at room temperature, soak and roll the 8g / L sodium hydroxide solution of the improved cotton cloth obtained at room temperature; Then baked at ...

Embodiment 3

[0040] The method for improving the depth of cotton carmine dyeing, the specific steps are as follows:

[0041] (1) Preparation of two (3-chloro-2-hydroxypropyl) tetramethylethylenediammonium dichloride: same as Example 1.

[0042] (2) Configure cationic modifier solution: dissolve the bis(3-chloro-2-hydroxypropyl)tetramethylethylenediammonium dichloride prepared in step (1) in deionized water, fully dissolve and disperse A cationic modifier solution with a concentration of 20 g / L was prepared.

[0043](3) Cationic modification of cotton cloth: at room temperature, the cotton cloth is soaked and rolled with the cationic modifier solution once, and the liquid-carrying rate of the cotton cloth after padding is 90%, then dried at 80°C for 8 minutes, and cooled naturally to obtain cotton cloth Improve the semi-finished product; then at room temperature, soak and roll the obtained cotton cloth to improve the semi-finished product with 25g / L of sodium hydroxide solution. After dipp...

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 method for increasing a dyeing depth of cochineal of a cotton fabric and in particular relates to a method for modifying a cotton fabric by using a biquaternary ammonium saltcation modifier to further increase a dyeing depth of cochineal of the cotton fabric. After being modified by using the biquaternary ammonium salt cation modifier, the cotton fabric is grafted with abiquaternary ammonium salt, the modified cotton fabric is dyed with cochineal, and then the dyeing depth of the cochineal in the cotton fabric is increased. By adopting the modification method, a newway is provided for solving the problem that a cotton fabric cannot be dyed with cochineal, meanwhile a new idea is provided for dyeing cotton fabrics with natural dyes, and the method has very wideapplication prospects.

Description

technical field [0001] The invention belongs to the technical field of textile dyeing, in particular to a method for increasing the dyeing depth of cotton cochineal. Background technique [0002] Nowadays, the printing and dyeing industry is facing many problems such as the prohibition of harmful chemical substances, environmental pollution, and low added value of products. Due to the consideration of environmental protection and sustainable development and people's pursuit of ecological textiles and green production technology, the utilization of biomass materials has re-entered people's vision. Cotton and natural dyes have advantages over synthetic fibers and synthetic dyes due to their good biodegradability, biological and environmental compatibility, and antibacterial properties. [0003] However, the dyes currently used in cotton dyeing are synthetic dyes such as reactive dyes and vat dyes. During the use of these dyes, a large amount of salt, alkali and hydrosulfite a...

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): D06P1/34D06P1/66D06P1/673D06P3/60
CPCD06P1/34D06P1/66D06P1/6735D06P3/60
Inventor 刘建平曹红梅张春花
Owner SHAOXING JIANG HUA CHEM
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