Dyeing and finishing process of black polyester-cotton elastic fabric

An elastic and fabric technology, applied in the field of elastic fabrics, can solve the problems that polyester fibers are easily stained with disperse dyes, have poor washing and color fastness, and are difficult to meet customer requirements, and can improve dyeing depth, improve alkali resistance, improve The effect of color rendering

Pending Publication Date: 2021-07-09
皇宝(石狮)实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the black polyester fabric is dyed and washed by conventional hydrosulfite reduction cleaning or acid reduction cleaning process, its washing and color fastness to impact are poor, and it is difficult to meet customer requirements.
This is because polyester fibers are easily stained with disperse dyes, and it is difficult to remove them after staining, resulting in a decrease in color fastness

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

[0022] A kind of dyeing and finishing process of black polyester-cotton elastic fabric, comprises the following steps:

[0023] S1 pretreatment: adding treatment solution to black polyester-cotton elastic fabric at normal temperature for padding, two dipping and two rolling, the excess rate is 60%. The treatment solution includes: penetrating agent JFC 2g / L, hydrogen peroxide 12g / L, scouring Agent Dyamul SORnew8g / L, sodium oxalate tetramethylene phosphate 1g / L, caustic soda 30g / L, stacked at room temperature for 10h and then hot washed, then immersed in amylase 5g / L, pectinase 1g / L, cellulase 0.01g / L, urea 0.5g / L enzyme treatment solution, treated at 30°C for 30min, hot washed at 50°C and then dried;

[0024] S2 pre-setting: Pre-setting the hot-washed and dried fabrics, the setting temperature is 150°C, and the setting speed is 12m / min;

[0025] S3 Dyeing polyester: add 6g / L black monoazo disperse dye SFN, 2g / L stabilizer EL-SF, 2g / L acetic acid to the dye vat, both disperse ...

Embodiment 2

[0031] A kind of dyeing and finishing process of black polyester-cotton elastic fabric, comprises the following steps:

[0032] S1 pretreatment: adding treatment solution to black polyester-cotton elastic fabric at normal temperature for padding, two dipping and two rolling, the excess rate is 75%. The treatment solution includes: penetrating agent JFC 4g / L, hydrogen peroxide 13g / L, scouring Agent Dyamul SORnew10g / L, sodium oxalate tetramethylene phosphate 3g / L, caustic soda 35g / L, stacked at room temperature for 13h, then hot washed, then immersed in amylase 7g / L, pectinase 3g / L, cellulase 4.2g / L, laccase 3g / L, urea 1.8g / L enzyme treatment solution, 30-60 ℃ for 30-80min, 50-100 ℃ hot washing and drying;

[0033] S2 pre-setting: Pre-setting the hot-washed and dried fabrics, the setting temperature is 160°C, and the setting speed is 13m / min;

[0034] S3 Dyeing polyester: add 6g / L black monoazo disperse dye SFN, 2g / L stabilizer EL-SF, 2g / L acetic acid to the dye vat, both dispe...

Embodiment 3

[0040] A kind of dyeing and finishing process of black polyester-cotton elastic fabric, comprises the following steps:

[0041] S1 pretreatment: adding treatment liquid to black polyester-cotton elastic fabric at normal temperature for padding, two dipping and two padding, the excess rate is 90%. The treatment liquid includes: penetrating agent JFC5g / L, hydrogen peroxide 15g / L, scouring Agent Dyamul SORnew12g / L, sodium oxalic acid tetramethylene phosphate 5g / L, caustic soda 40g / L, stacked at room temperature for 15h and then hot washed, then immersed in amylase 10g / L, pectinase 5g / L, cellulase 5g / L laccase, 5g / L laccase, 2.5g / L urea, treated at 60°C for 80min, hot washed at 100°C and then dried;

[0042] S2 pre-setting: Pre-setting the hot-washed and dried fabrics, the setting temperature is 180°C, and the setting speed is 15m / min;

[0043] S3 Dyeing polyester: add 6g / L black monoazo disperse dye SFN, 2g / L stabilizer EL-SF, 2g / L acetic acid to the dye vat, both disperse dye S...

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PUM

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Abstract

The invention discloses a dyeing and finishing process of a black polyester-cotton elastic fabric, and belongs to the technical field of fabric dyeing and finishing. The dyeing and finishing process comprises the following steps of padding the black polyester-cotton elastic fabric in a treating fluid at normal temperature, then immersing the black polyester-cotton elastic fabric in an enzyme treating fluid, pre-setting the thermally washed and dried fabric, and then carrying out reduction cleaning, cotton dyeing and soaping and fixation: putting dyed polyester and cotton into a fixation jar, adding 2 g / L of a soaping agent and 2 g / L of a dedusting agent, performing continuous soaping twice at 98 DEG C for 20 minutes, performing cleaning, adding 3 g / L of a formaldehyde-free fixing agent, performing fixing for 20 minutes at the temperature of 40 DEG C, and taking out the fabric from the jar; and performing final setting: performing heat setting on the elastic fabric subjected to soaping and fixing in a heat setting machine at 120-130 DEG C, wherein the cloth feeding speed ranges from 25 m / min to 30 m / min, and the set fabric width is 2-3 cm greater than the finished fabric width. The process is good in fixation and relatively deep in dyeing, and meets market requirements.

Description

technical field [0001] The invention belongs to the technical field of elastic fabrics, in particular to a dyeing and finishing process of black polyester-cotton elastic fabrics. Background technique [0002] Polyester-cotton is a mixture of polyester and cotton, with polyester as the main component. Polyester-cotton blends are textiles made of polyester as the main component, using 65% polyester and 35% cotton blended yarn. Polyester-cotton cloth is commonly known as Dacron. It is not as comfortable as cotton, and it is not as sweat-absorbing as cotton. Polyester is the largest variety with the highest output among synthetic fibers. Polyester has many trade names, "polyester" is the trade name of our country, and its chemical name is polyethylene terephthalate, which is usually polymerized by chemicals, so polyester is also called polyester. Structure and performance: The structure shape is determined by the spinneret hole, and the cross-section of conventional polyester ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/18D06P1/38D06P1/44D06P1/649D06P1/673D06P3/54D06P3/66D06P5/00D06P5/06
CPCD06P3/54D06P1/18D06P3/66D06P1/38D06P5/06D06P1/673D06P1/6735D06P1/44D06P1/6491D06P1/445D06P5/002
Inventor 洪必龙
Owner 皇宝(石狮)实业有限公司
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