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Polyester-covering cotton knitted fabric dyeing method

A technology for knitted fabrics and dyeing methods, which is applied in the dyeing field of polyester-covered cotton knitted fabrics, can solve the problems of low strength of fabrics, large performance differences, poor dyeing fastness and dyeing uniformity, and achieve fast dyeing, good hand feeling and uniform dyeing Effect

Inactive Publication Date: 2015-11-11
ZHANGJIAGANG CITY HUAYANG KNITTING TEXTILE
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] Polyester-covered cotton knitted fabric is woven from polyester filament and combed cotton yarn by knitting double-sided circular machine. The fabric has the characteristics of softness and comfort of cotton fiber. Due to the large difference in properties between polyester and cotton fibers, the gray fabric can only be dyed deep. color, and because the strength of the fabric is low, the dyeing fastness and dyeing uniformity are poor, and the feel of the fabric is also affected

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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Embodiment Construction

[0011] The present invention will be further described below. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0012] The dyeing method of polyester-covered cotton knitted fabric comprises the following steps: pretreatment → dyeing and washing process → cotton dyeing process → soaping → color fixing → softening → dehydration and drying.

[0013] The dosage ratio of dyes and auxiliary agents in the dyeing and washing process is 1.0 g / L of polyester leveling agent, 1.2 g / L of acetic acid, and 0.6 g / L of sodium acetate.

[0014] The consumption ratio of dyestuff and auxiliary agent in the described cotton dyeing process is sodium sulfate 80g / L, sodium carbonate 20g / L, cotton leveling agent 1.0g / L.

[0015] The pretreatment process includes adding hydrogen peroxide, degreaser and stabilizer into the dye vat.

[0016] In the dyeing and washing process,...

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

The invention discloses a polyester-covering cotton knitted fabric dyeing method. The dyeing method comprises the steps of pretreatment, polyester dyeing, cotton dyeing, soaping, fixation, softening, and dewatering and drying, wherein in the polyester dyeing process, a 1.0 g / L polyester leveling agent, 1.2 g / L acetic acid and 0.6 g / L sodium acetate are used; in the cotton dyeing process, 80 g / L sodium sulfate, 20 g / L sodium carbonate and a 1.0 g / L cotton leveling agent are used. The obtained polyester-covering cotton knitted fabric is firm and uniform in dyeing and good in hand feeling.

Description

technical field [0001] The invention relates to a method for dyeing fabrics, in particular to a method for dyeing polyester-covered cotton knitted fabrics. Background technique [0002] Polyester-covered cotton knitted fabric is woven from polyester filament and combed cotton yarn by knitting double-sided circular machine. The fabric has the characteristics of softness and comfort of cotton fiber. Due to the large difference in properties between polyester and cotton fibers, the gray fabric can only be dyed deep. Color, and because the strength of the fabric is low, the dyeing fastness and dyeing uniformity are poor, and the feel of the fabric is also affected. Contents of the invention [0003] In order to solve the deficiencies of the prior art, the object of the present invention is to provide a method for dyeing polyester-covered cotton knitted fabrics, which is firm and uniform in dyeing and has a good hand feeling. [0004] The technical solution of the present inve...

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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IPC IPC(8): D06P3/87D06P1/673D06L3/02D06L4/12D06L4/13
Inventor 朱向琴施惠忠朱胜良
Owner ZHANGJIAGANG CITY HUAYANG KNITTING TEXTILE
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