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Dyeing and finishing process of polyester and cotton blended fiber fabric

A fiber fabric and polyester-cotton blending technology, which is applied in the processing of textile materials, continuous processing of textile materials, fiber processing, etc., can solve the problem of affecting the brightness and aesthetics of dyed fabrics, poor dyeing effect of natural dyes, dull fabric color, etc. problem, to achieve the effect of good dyeing effect, good desizing effect and lower salt content

Inactive Publication Date: 2015-11-18
TAICANG TIANLONG CHEM FIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the dyeing effect of natural dyes is poor, and the color fixation of the dyed fabric is low. In order to improve the color fixation, a large amount of soda ash and inorganic salts are usually added during the dyeing process, which brings serious problems for the treatment of printing and dyeing wastewater with high salt content. It is more difficult, such as direct discharge will destroy the ecological environment and lead to soil salinization
[0007] At the same time, when natural dyes are used, some mordants containing metal ions are usually used. Although the use of mordants will improve the dyeing effect, if the mordants cannot be completely removed in post-processing, it will not only pollute the environment, but also cause pollution. It will make the shade of the fabric mostly dim, affecting the vividness and aesthetics of the dyed fabric
In addition, in order to reduce the difficulty of dyeing in the subsequent dyeing process, the fiber fabric usually needs to be pretreated before dyeing, but the current pretreatment basically uses alkaline solutions such as hydrosulfite and sodium carbonate for high temperature pretreatment, which will affect the fiber. Larger damage

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

[0045] A kind of dyeing and finishing process of polyester-cotton blended fiber fabric, comprises the following steps:

[0046] (1) Pretreatment: Pretreatment of polyester-cotton fabrics, specifically: urea 1g / L, phosphorus-free degreaser TF-104M 4.5g / L, scouring agent 1g / L, 30% hydrogen peroxide 8g / L, snail Enzyme 8g / L, α-amylase 8g / L, perform ultrasonic treatment in an ultrasonic water bath at 40°C for 1-2min, the bath ratio is 30:1, and the ultrasonic frequency is 45Hz. dry;

[0047] (2) Pre-setting: pre-setting the polyester-cotton fabric, adding heat-resistant yellowing agent FK-1618g / L when setting, the setting temperature is 150°C, the speed is 20m / min, and the overfeed is 5%;

[0048] (3) Modification treatment: Put the shaped polyester-cotton fabric into a water bath for treatment. The water bath contains 3g / L chitosan, 4g / L hydrogen peroxide, 20g / L acetic acid, and 4g / L epichlorohydrin. The ratio is 40:1, modified at 40°C for 60 minutes, after the treatment, re-inj...

Embodiment 2

[0064] A kind of dyeing and finishing process of polyester-cotton blended fiber fabric, comprises the following steps:

[0065] (1) Pretreatment: Pretreatment of polyester-cotton fabrics, specifically: urea 1.2g / L, phosphorus-free degreasing agent TF-104M 5g / L, scouring agent 1.2g / L, 30% hydrogen peroxide 9g / L, snail Enzyme 9g / L, α-amylase 9g / L, perform ultrasonic treatment in an ultrasonic water bath at 40°C for 1-2min, the bath ratio is 30:1, and the ultrasonic frequency is 45Hz. dry;

[0066](2) Pre-setting: Pre-setting the polyester-cotton fabric, adding heat-resistant yellowing agent FK-1619g / L when setting, the setting temperature is 155°C, the speed is 25m / min, and the overfeed is 8%;

[0067] (3) Modification treatment: Put the shaped polyester-cotton fabric into a water bath for treatment. The water bath contains 4g / L chitosan, 5g / L hydrogen peroxide, 25g / L acetic acid, and 5g / L epichlorohydrin. The ratio is 40:1, modified at 40°C for 70 minutes, after the treatment...

Embodiment 3

[0083] A kind of dyeing and finishing process of polyester-cotton blended fiber fabric, comprises the following steps:

[0084] (1) Pretreatment: Pretreatment of polyester-cotton fabrics, specifically: 1.5g / L urea, 5.5g / L phosphorus-free degreasing agent TF-104M, 1.5g / L scouring agent, 10g / L 30% hydrogen peroxide , Helicase 10g / L, α-amylase 10g / L, conduct ultrasonic treatment in an ultrasonic water bath at 40°C for 1-2min, the bath ratio is 30:1, and the ultrasonic frequency is 45Hz. After the treatment, re-inject clean water and wash twice , then dry;

[0085] (2) Pre-setting: pre-setting the polyester-cotton fabric, adding heat-resistant yellowing agent FK-16110g / L when setting, the setting temperature is 160°C, the speed is 30m / min, and the overfeed is 10%;

[0086] (3) Modification treatment: put the shaped polyester-cotton fabric into a water bath for treatment, the water bath contains chitosan 5g / L, hydrogen peroxide 6g / L, acetic acid 30g / L, epichlorohydrin 6g / L, bath ...

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 dyeing and finishing process of polyester and cotton blended fiber fabric. The process comprises pretreatment, presetting, modification treatment, dyeing, mordant removal, soaping, color fixing, after finishing, drying, sizing, calendaring and rolling. Snailase and alpha-amylase are adopted for pretreatment, modification treatment is adopted before dyeing, the polyester and cotton blended fabric is modified fundamentally, and the dye-uptake of the fabric is increased; in the dyeing procedure, fewer alkaline substances and inorganic salt are used, a dye leveler, substitution alkali, a migration inhibitor and a diffusant are added, the dye leveling performance is improved, natural dye is used, environmental pollution is avoided, and the environment-friendly requirement is met; self-cleaning treatment is added during aftertreatment, and the self-cleaning capacity, the crease-resistant performance, the wash durability and color fastness are improved; silk fibroin and sericin are adopted for afterfinish, and the anti-pilling performance and the antistatic performance of the fabric are provided; the whole process is environment-friendly and pollution-free.

Description

technical field [0001] The invention relates to a dyeing and finishing process of polyester-cotton blended fabric. Background technique [0002] Fiber is divided into chemical fiber and natural fiber. Natural fiber refers to the fiber that exists and grows in nature and has textile value. Chemical fiber is made of natural polymer compound or artificially synthesized polymer compound. Fibers with textile properties produced by silk and post-processing processes. Chemical fibers have the advantages of light resistance, wear resistance, easy washing and drying, no mildew, and no moths. They are widely used in the manufacture of clothing fabrics, filter cloths, and conveyor belts. , hoses, ropes, fishing nets, electrical insulation wires, medical sutures, tire cords and parachutes etc. [0003] Polyester cotton is a kind of composite fiber, including chemical fiber polyester and natural fiber cotton, which has the characteristics of both polyester and cotton, so it can be widel...

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): D06M11/50D06M16/00D06M13/432D06M13/188D06M15/03D06M13/11D06P3/85D06P1/34D06P1/673D06P1/48D06P5/10D06P5/08D06L1/16D06L1/04D06M13/207D06M15/15D06M13/463D06M11/79D06M11/38D06M13/192D06M11/70D06M11/46D06B21/00D06C27/00D06M101/06D06M101/32
Inventor 陈志清
Owner TAICANG TIANLONG CHEM FIBER
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