Wool anti-pilling finishing agent

An anti-pilling and finishing agent technology, which is applied in fiber treatment, textiles and papermaking, animal fibers, etc., to achieve the effect of eliminating sliding friction and preventing fiber movement and adhesion

Inactive Publication Date: 2013-03-27
广东爱华毛织工艺有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]Cashmere fiber is composed of scale layer and cortex layer. The scale has a certain height and thickness and is shaped like a barb. Therefore, cashmere knitted fabrics are It is easy to cause fibers to collude and stick together, and the pilling phenomenon is more serious, which affects the appearance of wearing and reduces its wearing performance. However, with the improvement of living standards, people have better anti-pilling finishing on the appearance of cashmere fabrics. , improve its wearability, comfort and quality, further modification of polyurethane has been paid more and more attention by dyeing and finishing workers at home and abroad

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
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Prepare prepolymer with hexamethylene diisocyanate (HDI), polyoxypropylene glycol (PPG), diethylene glycol (DEG), dimethylol butyric acid (DMBA) as raw materials, react for 2h, HDI The molar ratio to PPG, DEG, and DMBA is 1.6:1, DEG accounts for 2% of the mass of the prepolymer, and DMBA accounts for 6% of the mass of the prepolymer. Cool down to 40°C, add triethylamine for neutralization reaction to generate salt, react for 3 minutes, the amount of triethylamine is the same as that of DMBA. Add an aqueous solution of ethylenediamine (EA) for emulsification and chain extension for 1 hour. The amount of ethylenediamine (EA) is 0.1% of the mass of the prepolymer, and the amount of water is 2 times the total mass of the prepolymer to obtain wool anti-fluffing Ball finishing agent.

Embodiment 2

[0018] Prepare prepolymer with hexamethylene diisocyanate (HDI), polyoxypropylene glycol (PPG), diethylene glycol (DEG), dimethylol butyric acid (DMBA) as raw materials, react for 2h, HDI The molar ratio to PPG, DEG, and DMBA is 1.8:1, DEG accounts for 2% of the mass of the prepolymer, and DMBA accounts for 6% of the mass of the prepolymer. Cool down to 40°C, add triethylamine for neutralization reaction to generate salt, react for 3 minutes, the amount of triethylamine is the same as that of DMBA. Add an aqueous solution of ethylenediamine (EA) for emulsification and chain extension for 1 hour. The amount of ethylenediamine (EA) is 0.15% of the mass of the prepolymer, and the amount of water is 2 times the total mass of the prepolymer to obtain wool anti-fluffing Ball finishing agent.

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
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PUM

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Abstract

A wool anti-pilling finishing agent is characterized in that hexamethylene diisocyanate (HDI), polypropylene oxide glycol (PPG), diethylene glycol (DEG) and dimethylolbutanoicacid (DMBA) are taken as raw materials for preparing a prepolymer, wherein the mol ratios of HDI to PPG, DEG and DMBA are respectively 1.6: 1 to 1.8: 1; DEG accouts for 2-3% of the weight of the prepolymer and DMBA accouts for 6-7% of the weight of the prepolymer. The wool anti-pilling finishing agent provided by the invention is capable of effectively reducing or eliminating sliding friction between wool fibers and preventing the fibers from moving and bonding with each other, thereby achieving the purpose of deflation and resisting pilling.

Description

technical field [0001] The invention relates to an anti-pilling finishing agent for wool, which belongs to the field of chemical industry. [0002] technical background [0003] Cashmere fiber is composed of scale layer and cortex layer. The scale has a certain height and thickness and is shaped like a barb. Therefore, cashmere knitted fabrics are prone to fiber interlocking and sticking during processing, wearing and washing, and the fluff and pilling are easy to occur. The phenomenon is relatively serious, which affects the appearance of wearing and reduces its wearability. However, with the improvement of living standards, people have better anti-pilling finishing on the appearance of cashmere fabrics to improve their wearability, comfort and quality. Modification has been paid more and more attention by dyeing and finishing workers at home and abroad. [0004] The water-based polyurethane prepared by this patent can form a cross-linked film on the surface of the fiber, ...

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
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/568C08G18/73C08G18/66C08G18/48C08G18/12D06M101/12
Inventor 苏建丽
Owner 广东爱华毛织工艺有限公司
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