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Dyeing technology of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness

A technology of fastness to washing, water absorption and quick drying, applied in the direction of dyeing, plant fibers, textiles and papermaking, etc., can solve the problems of unstable shade, fading, poor washing fastness, etc., and achieves good dyeing reproducibility, Good water absorption and quick drying effect

Inactive Publication Date: 2020-08-28
NINGBO DAQIAN TEXTILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual production process, there is a problem of poor washing fastness. The main reason is that due to the low glass transition temperature Tg of nylon fiber, when the washing fastness test is above 50°C, some dye molecules are easy to migrate from the inside of the fiber. to the fiber surface, causing fading and staining problems
In addition, there is also the problem of unstable shade, and the fabrics dyed with the same formula have serious batch differences, which is mainly due to the phenomenon of cross-staining of the two components during the dyeing process.

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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  • Dyeing technology of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness
  • Dyeing technology of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness
  • Dyeing technology of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Provide a kind of dyeing process of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness, comprising the following steps:

[0026] S1. Pre-treatment: pre-treat the dyed fabric according to the conventional process;

[0027] S2, cotton dyeing: the cotton component is dyed dark black with reactive dyestuffs to the fabric after the pretreatment according to the conventional process;

[0028] S3. Washing: wash the fabric after dyeing cotton, the washing temperature is 90°C, the washing time is 20min, and the pH value is adjusted to 6.8;

[0029] S4. Dyeing nylon: use acetic acid / sodium acetate buffer solution to adjust the pH value to 4.1, add 1g / L leveling agent Abaig SET, 2% o.w.f dyeing accelerator CaCl 2 , Brilliant black reactive dye and 4% o.w.f moisture-absorbing and sweat-wicking finishing agent PR18, heat up to 100°C at a rate of 2.0°C / min, keep warm for 45min, then cool down to below 60°C at a rate of 2.0°C / min, and d...

Embodiment 2

[0035] Provide a kind of dyeing process of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness, comprising the following steps:

[0036] S1. Pre-treatment: pre-treat the dyed fabric according to the conventional process;

[0037] S2, cotton dyeing: the fabric after the pretreatment is dyed dark red to the cotton component by conventional process with reactive dye;

[0038] S3. Washing: wash the fabric after dyeing cotton, the washing temperature is 95°C, the washing time is 20min, and the pH value is adjusted to 6.8;

[0039] S4. Dyeing nylon: use acetic acid / sodium acetate buffer solution to adjust the pH value to 4.1, add 1g / L leveling agent Abaig SET, 10% o.w.f dyeing accelerator CaCl 2 , Brilliant fast red reactive dye and 5% o.w.f moisture-absorbing and sweat-wicking finishing agent PR18, heat up to 95°C at a rate of 2.0°C / min, keep warm for 60 minutes, then cool down to below 60°C at a rate of 2.0°C / min, and drain;

[0040...

Embodiment 3

[0045] Provide a kind of dyeing process of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness, comprising the following steps:

[0046] S1. Pre-treatment: pre-treat the dyed fabric according to the conventional process;

[0047] S2, cotton dyeing: dye the cotton component with reactive dyes to deep navy blue according to the conventional process to the fabric after the pretreatment;

[0048] S3. Washing: wash the fabric after dyeing cotton, the washing temperature is 98°C, the washing time is 20min, and the pH value is adjusted to 7.0;

[0049] S4. Dyeing nylon: use acetic acid / sodium acetate buffer solution to adjust the pH value to 4.0, add 1.5g / L leveling agent UPS, 10% o.w.f dyeing accelerator CaCl 2 , Brilliant red, yellow and black reactive dyes and 4% o.w.f moisture-absorbing and sweat-wicking finishing agent PR18, heat up to 105°C at a rate of 2.0°C / min, keep warm for 30 minutes, and then cool down to below 60°C at a rat...

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 technology of water-absorbing and quick-drying nylon-cotton interwoven knitted fabric with high washing fastness. The dyeing technology comprises the following steps of pretreatment, cotton dyeing, water washing, nylon dyeing, fixation and soaping. The dyeing technology of the invention can make the washing fastness of the dark nylon nylon-cotton interwoven knittedfabric reach 4-5 or more, and the nylon-cotton interwoven knitted fabric has good water-absorbing and quick-drying functions and good dyeing reproducibility, and is suitable for mass production and application.

Description

technical field [0001] The invention relates to the technical field of textiles, in particular to a dyeing process for water-absorbing and quick-drying nylon-cotton interwoven knitted fabrics with high washing fastness. Background technique [0002] Nylon-cotton interwoven fabrics can well combine the moisture absorption and breathability of cotton fibers with the wear-resistant and high elasticity of nylon fibers, and have good hand feeling and wearing comfort. They have always been favored by consumers and are popular in the clothing fabric market. The common dyeing process of such fabrics in the dyeing process is reactive / acid dye two-bath two-step dyeing, that is, the cotton component is dyed with reactive dyes, and then the nylon component is dyed with acid or neutral dyes. However, in the actual production process, there is a problem of poor washing fastness. The main reason is that due to the low glass transition temperature Tg of nylon fiber, when the washing fastnes...

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): D06P3/66D06P1/38D06P3/10D06P5/02D06P5/10D06M15/643D06M101/06D06M101/34
CPCD06P3/66D06P3/10D06P1/38D06P5/10D06P5/02D06M15/643D06M2101/34D06M2101/06
Inventor 袁昂张继磊徐蓓蓓程凯朋胡永海
Owner NINGBO DAQIAN TEXTILE
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