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Method for dyeing cheese prepared from polyester-cotton blending stretch yarn

A technology of polyester-cotton blending and dyeing method, which is applied in the directions of dyeing, textile and papermaking, biochemical fiber processing, etc.

Inactive Publication Date: 2012-10-17
TIANJIN TIANGE TEXTILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiencies of the above-mentioned techniques, and provide a method for dyeing polyester-cotton blended elastic yarn as package yarn, which solves the problem of insufficient dyeing of polyester-cotton blended elastic yarn in the existing dyeing technology of dyed polyester-cotton blended yarn

Method used

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  • Method for dyeing cheese prepared from polyester-cotton blending stretch yarn
  • Method for dyeing cheese prepared from polyester-cotton blending stretch yarn
  • Method for dyeing cheese prepared from polyester-cotton blending stretch yarn

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Embodiment Construction

[0018] The specific implementation of the present invention will be described in detail below in conjunction with preferred embodiments. A method for dyeing polyester-cotton blended elastic yarn as cheese, the process steps are as follows,

[0019] The blending ratio of 100kg polyester and cotton is 60 / 40, and the elastic yarn of 45 British counts is used for cheese dyeing.

[0020] 1. Winding process: SSM winder is used for winding, the speed is 800 rpm, the back pressure is 2.0N, the fixed weight of loose winding bobbins is 1.2kg / piece, and the density is 0.38g / cm 3 ;

[0021] 2. Pretreatment process: Inject water into the dyeing bath at a ratio of 1:10, add 2g / L refining agent, 2g / L solid sodium hydroxide, 6g / L hydrogen peroxide with a concentration of 27.5%, raise the temperature of the dyeing bath to 115°C, and keep warm for 30 minutes , empty after treatment; refill the dye vat with bath ratio 1:10, heat up to 80°C, wash with water for 10 minutes, empty after treatment...

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Abstract

The invention belongs to the technical field of spinning and specifically relates to a method for dyeing cheese prepared from polyester-cotton blending stretch yarn. The method comprises the steps of loosen-type spooling, pretreatment, dyeing and washing, reduction clearing, after-treatment, dewatering and drying, and is characterized in that each loosen-type spooling bobbin is 0.6-1.2kg in weight and 0.28-0.42g / cm<3> in density; after a spooling step is completed; a dyeing working procedure is processed; in polyester dyeing process, low-temperature disperse dye is used and subjected to dyeing at 100-128 degrees centigrade for 15-60 minutes; then, the steps of reduction clearing, cotton dyeing, after-treatment, dewatering and drying are carried out. The method has the benefit that in the polyester dyeing process, the low-temperature disperse dye is used and subjected to dyeing at 100-128 degrees centigrade for 15-60 minutes; therefore, the dyed bobbin has the advantages of identical colors and elasticity in interior and exterior and high color one-time success rate, and avoids problems caused by a traditional dyeing method.

Description

technical field [0001] The invention belongs to the textile dyeing process, in particular to a method for dyeing polyester-cotton blended elastic yarn as cheese. Background technique [0002] Low-elasticity yarn-dyed fabrics are used in clothing because they are comfortable to wear and wrinkle-free, and are very popular among consumers. This kind of fabrics are mainly cotton and low-elasticity yarn-dyed fabrics. Due to the difficulty in printing and dyeing of blended yarn-dyed low-elasticity fabrics , a small proportion. Polyester-cotton blended elastic yarn is applied to yarn-dyed fabrics and methods for cheese dyeing, and no relevant literature and patent reports have been seen. The polyester-cotton blended yarn dyeing method in the prior art dyes the polyester-cotton blended elastic yarn, and the cloth surface elasticity cannot reach the predetermined value after weaving; the reason is that the existing polyester-cotton blended yarn dyeing method has a high temperature a...

Claims

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Application Information

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IPC IPC(8): D06P3/872D06M16/00C12S11/00D06M101/06D06M101/32
Inventor 于鹏徐星殿黄世新庞建勋
Owner TIANJIN TIANGE TEXTILE
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