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

Method for finishing flame retardant cotton fabric

A fabric finishing and flame retardant finishing technology, which is applied in fiber treatment, plant fiber, textiles and papermaking, etc., can solve the problems of fabric whiteness, hand feel and mechanical properties, high free formaldehyde content, etc., to improve product quality, The effect of short process flow and improved flame retardant effect

Inactive Publication Date: 2011-08-24
ZHENGZHOU UNIV
View PDF4 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the way to obtain durability on cellulose fibers depends on the N-hydroxyl reaction system, especially to improve the washing resistance of flame-retardant fabrics, it is necessary to add a large amount of cross-linking agent polymethylol melamine resin, The mass fraction of free formaldehyde on the fabric is higher, therefore, the problem of free formaldehyde is inevitable
Recently, new environmental protection requirements and regulations have been continuously implemented by countries all over the world. In addition, the traditional flame-retardant finishing process requires high-temperature baking, which has a great impact on the whiteness, feel and mechanical properties of the fabric.
Traditional processing methods are challenged, and it is imperative to develop new formaldehyde-free flame retardants and their flame-retardant finishing processes

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
  • Method for finishing flame retardant cotton fabric
  • Method for finishing flame retardant cotton fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Desizing solution preparation: The desizing solution formula is 1000mL water containing 2g chloramine T, 3g sodium petroleum sulfonate, 3g caustic soda and 0.1g copper sulfate.

Embodiment 2

[0021] Finishing solution preparation; water: N-hydroxymethyl-3-dimethoxyphosphoryl propionamide (MDPPA for short): alkali: penetrating agent=80: 20: 18: 0.2 (mass ratio), wherein the alkali adopts inorganic strong Alkali NaOH; the penetrating agent is fatty alcohol polyoxyethylene ether (referred to as JFC.

Embodiment 3

[0023] (1) According to 10g sizing, 300mL-400mL desizing solution is required. Put the fabric in a pot and boil for about 10 minutes, take it out, and then rinse it with clean water until it is clean.

[0024] (2) Put 40 parts of cotton fabric into 100 parts of finishing solution, then add 13-15 parts of 1,3-dichloropropanol dropwise, and slowly heat to 80-90°C for 0.5-1 hour to react.

[0025] (3), then clamp out the cotton fabric with tweezers, and once press and roll, the excess rate of rolling is 70-75%. Then bake at 80-90°C for 5-8 minutes.

[0026] (4), put the dried cotton fabric into distilled water and then adjust the pH to 6-8 with 5% phosphoric acid, then clamp it out with tweezers and put it into 100 parts of soaping liquid and distilled water, keeping the temperature at 35-45 °C, wash for 3 minutes respectively.

[0027] (5) Rolling, with a rolling ratio of 50%, at 90-100°C until drying.

[0028] After the durable flame retardant performance test, it meets the ...

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

PropertyMeasurementUnit
whitenessaaaaaaaaaa
whitenessaaaaaaaaaa
whitenessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a method for finishing a flame retardant cotton fabric. The method comprises the following steps: (1) using desizing liquid for desizing treatment; (2) using flame retardant finishing liquid for immersion bath treatment; (3) carrying out press-rolling treatment; (4) drying; (5) putting the dried cotton fabric in distilled water, and adjusting the pH value with acid; (6) carrying out soaping and water washing respectively; and (7) carrying out press-rolling, and drying. The crosslinking agent polyhydroxymethyl melamine is not used in the process, thus greatly reducing the released amount of formaldehyde; the baking flow is not needed in the process, thus not only conforming to the national energy conservation and emission reduction policy, but also obviously improving the impacts on the whiteness, handfeel, mechanical performance and the like of the fabric; and the flame retardant finishing process has a short flow and moderate operation conditions, is safe and reliable and has an excellent flame retardant finishing effect.

Description

technical field [0001] The invention is a new method for finishing flame-retardant cotton fabrics, which belongs to the field of improving the finishing process of flame-retardant cotton fabrics. Background technique [0002] Durable flame-retardant finishing agents for cellulose fibers such as cotton, linen, and viscose are mainly compounds containing phosphorus, nitrogen, and halogens, and commonly used processes such as prohan, pyrovatex, and Fyrol-76. Since the way to obtain durability on cellulose fibers depends on the N-hydroxyl reaction system, especially to improve the washing resistance of flame-retardant fabrics, it is necessary to add a large amount of cross-linking agent polymethylol melamine resin, The mass fraction of free formaldehyde on the fabric is higher, therefore, the problem of free formaldehyde is inevitable. Recently, new environmental protection requirements and regulations have been continuously implemented by countries all over the world. In addit...

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
Patent Type & Authority Applications(China)
IPC IPC(8): D06M13/447D06M13/165D06M15/53D06M13/144D06L1/14D06M101/06
Inventor 赵玉芬叶勇鞠志宇邹如意王乐
Owner ZHENGZHOU UNIV
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