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Dyeing technology of nylon-imitating high-elastic polyester yarn

A technology of polyester yarn and high elasticity, applied in the field of textile printing and dyeing, to achieve the effect of uniform dyeing color, uniform dyeing, stability and dyeability

Inactive Publication Date: 2014-01-08
福建锦丰印染有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a dyeing process of imitating nylon high-elastic polyester yarn, which solves the problem of nylon yarn dyeing and achieves the effect of nylon yarn feeling elasticity

Method used

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Embodiment 1

[0018] Embodiment 1: The invention discloses a dyeing process of imitating nylon high-elastic polyester yarn, comprising the following steps:

[0019] 1) Polyester yarn dyeing pre-processing process: use polyester 75D / 48F low-elasticity yarn as raw material to carry out plying and merging with a yarn doubler to form the strands after stranding, and pass the strands after stranding through the yarn The thread twisting machine twists it into 150D / 96F high-elastic high-twist elastic twisted yarn, so that ordinary polyester low-elastic yarn has the same elasticity and softness as nylon fiber;

[0020] 2) Shaking process: the elastic twisted yarn is shaken by the shaking machine into a hank yarn with clear layers and uniform tension, which is manually divided, twisted, and knotted;

[0021] 3) Presetting at high temperature: Put the knotted skein into the steam box, vacuumize, inject steam into the box and steam for 30 minutes, the steam pressure is controlled at 0.7 MPA, and the s...

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Abstract

The invention relates to the technical field of textile printing and dyeing, and provides a dyeing technology of a nylon-imitating high-elastic polyester yarn. According to the dyeing technology, by combining of low-elastic polyester and twisting into high-elastic polyester, the nylon yarn dyeing problem can be solved and an elastic hand feeling effect of the nylon yarn can be achieved, and the dyeing technology comprises a polyester yarn dyeing preprocessing process, a yarn reeling process, high temperature preforming, a dyeing process, a reduction cleaning process, a finishing process and a dehydration drying process.

Description

technical field [0001] The invention relates to a dyeing process of nylon-like high-elastic polyester yarn, which belongs to the technical field of textile printing and dyeing. Background technique [0002] The traditional dyed yarns are dyed according to the traditional process with corresponding dyes for different fibers, and then ordinary washing and other finishing are used as finished colored yarns on clothing. Nylon fiber yarns have a good soft feel and good High elastic range, good elastic recovery and good moisture absorption and air permeability, but the dyeing of nylon fiber yarn is unstable, the color fastness is not high, the strength is poor and it is not wear-resistant, and the fabric made of finished yarn is easy to age, oxidize and yellow. These problems will not occur in polyester yarn dyeing, but polyester fiber has poor moisture absorption and air permeability, is not soft enough, and has poor skin comfort when worn. [0003] Therefore, how to use polyes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P3/52D02G3/32D06C7/02D06B3/08D06P1/44D06P5/02D06M15/643D06M101/32
Inventor 洪开港陈加明李伟国
Owner 福建锦丰印染有限公司
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