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Black-dyeing one bath process for nylon and cotton mixed fabrics

A technology of interlaced fabrics and nylon, which is applied in the black dyeing process of cotton interlaced fabrics and the field of nylon, which can solve the problems of high cost, poor color stability, and large energy consumption, and achieve the effects of reduced consumption, low production cost, and low energy consumption

Active Publication Date: 2014-03-26
ZHEJIANG YUEXIN PRINTING & DYEING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, nylon and cotton blended fabrics are dyed black by the two-bath method. The two-bath method has long dyeing time, poor color stability, and large energy consumption (especially water consumption), which leads to high cost, low output, and inferior quality. The problem of high quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A one-bath process for dyeing nylon and cotton interlaced fabrics black, comprising the following steps: gray cloth→cold stacking→desizing→scheduling→mercerizing→dehairing→pretreatment→dyeing→dehydration→opening→open width washing→final product shaping→ Inspection, rolling, packing.

[0017] Wherein, the dyeing step includes: at normal temperature, adding an acidic leveling agent into a dyeing vat equipped with nylon, cotton interwoven fabric and water, the concentration of the acidic leveling agent is 1 g / L; then the dyeing vat is operated for 5 minutes to make the acidic The leveling agent is evenly distributed in the dyeing vat, and then add soda ash to adjust the pH value to 10; then add reactive / acid one-bath dyes; Heat at 1°C to 80°C, keep warm for 30 minutes; then raise the temperature at 1°C per minute to 98°C, keep hold for 30 minutes; then lower the temperature at 2°C per minute to 70°C; then open the cylinder, take samples, and check the color; Drain aga...

Embodiment 2

[0023] A one-bath process for dyeing nylon and cotton interlaced fabrics black, comprising the following steps: gray cloth→cold stacking→desizing→scheduling→mercerizing→dehairing→pretreatment→dyeing→dehydration→opening→open width washing→final product shaping→ Inspection, rolling, packing.

[0024] Wherein, the dyeing step includes: at normal temperature, adding an acidic leveling agent into a dyeing vat equipped with nylon, cotton interwoven fabric and water, the concentration of the acidic leveling agent is 1 g / L; then the dyeing vat is operated for 5 minutes to make the acidic The leveling agent is evenly distributed in the dye vat, and then add soda ash to adjust the pH value to 9.5; then add reactive / acid one-bath dyes; Heat at 1°C to 75°C, keep warm for 32 minutes; then raise the temperature at 1°C per minute to 95°C, keep hold for 32 minutes; then lower the temperature at 2°C per minute to 68°C; then open the cylinder, take samples, and check the color; Drain again...

Embodiment 3

[0030] A one-bath process for dyeing nylon and cotton interlaced fabrics black, comprising the following steps: gray cloth→cold stacking→desizing→scheduling→mercerizing→dehairing→pretreatment→dyeing→dehydration→opening→open width washing→final product shaping→ Inspection, rolling, packing.

[0031] Wherein, the dyeing step includes: at normal temperature, adding an acidic leveling agent into a dyeing vat equipped with nylon, cotton interwoven fabric and water, the concentration of the acidic leveling agent is 1 g / L; then the dyeing vat is operated for 5 minutes to make the acidic The leveling agent is evenly distributed in the dye vat, and then add soda ash to adjust the pH value to 10.5; then add reactive / acid one-bath dyes; Heat at 1°C to 82°C, keep warm for 25 minutes; then raise the temperature at 1°C per minute to 100°C, keep hold for 25 minutes; then lower the temperature at 2°C per minute to 73°C; then open the cylinder, take samples, and check the color; Drain aga...

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PUM

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Abstract

The invention discloses a black-dyeing one bath process for nylon and cotton mixed fabrics and belongs to the technical field of nylon and cotton mixed fabric black-dyeing processes. The black-dyeing one bath process comprises the steps of grey sheeting, cold batching, desizing, reserving, mercerizing, unhairing, preprocessing, dyeing, dewatering, scutching, open width washing, end product shaping, checking, rolling and packaging, wherein the dyeing comprises the following steps: at ordinary temperature, adding an acidic levelling agent into a dye vat holding both nylon and cotton mixed fabrics and water; then adding soda to adjust the pH value; then adding an active / acidic one bath process dye; adding anhydrous sodium sulphate; warming up to 75-82 DEG C and keeping the temperature for 25-32 min; re-warming up to 95-100 DEG C and keeping the temperature for 25-32 min; lowering the temperature to 68-73 DEG C; then opening the vat, sampling and matching colors; discharging water; feeding water, increasing the temperature to 78-82 DEG C and keeping the temperature for 8-12 min; then discharging water and taking out of the vat. The black-dyeing one bath process for nylon and cotton mixed fabrics has the advantages of low energy consumption, low manufacturing cost, high yield and low defective rate.

Description

technical field [0001] The invention discloses a one-bath process for dyeing black nylon and cotton interwoven fabrics, and belongs to the technical field of black dyeing nylon and cotton interwoven fabrics. Background technique [0002] At present, nylon and cotton blended fabrics are dyed black by the two-bath method. The two-bath method has long dyeing time, poor color stability, and large energy consumption (especially water consumption), which leads to high cost, low output, and inferior quality. The problem of high yield. Contents of the invention [0003] The purpose of the present invention is to provide a low-cost, high-yield, low-quality nylon and cotton blended fabric dyed black one-bath process. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is: [0005] A one-bath process for dyeing nylon and cotton interlaced fabrics black, comprising the following steps: gray cloth→cold stacking→desizing→orderin...

Claims

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Application Information

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IPC IPC(8): D06P3/87D06P1/38D06P1/39D06P1/44
Inventor 徐杏地
Owner ZHEJIANG YUEXIN PRINTING & DYEING CO LTD