Short-process production method capable of improving crease resistance and dye uptake of fibers, yarns or fabrics

A production method and short process technology, applied in the field of textile printing and dyeing, can solve the problems of high dosage of caustic soda, viscous solution and short time, and achieve the effect of reducing the dosage of dyes, reducing COD and better performance

Active Publication Date: 2012-08-15
苏州麻朵纺织科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pre-treated yarn or knitted fabric is processed on the mercerizing machine at a low temperature of about 20 degrees for short-term alkali shrinkage or mercerized anti-wrinkle processing. Due to the low temperature and short time of alkali shrinkage or mercerized anti-wrinkle processing and the high amount of caustic soda, the solution is viscous. Thick, so that the yarn or fabric only produces 20-30% surface anti-wrinkle effect, and the fabric after traditional mercerizing only partially improves the anti-wrinkle performance and coloring rate

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

[0027] Embodiment one; 32 pure cotton knitting fabrics direct short process production and processing

[0028] First add 120g / l caustic soda and 9g / l fiber bleaching nanomaterial composition, then put into the cloth and run for 5 minutes, then add 7g / l hydrogen peroxide. Keep warm at 30°C for 5 minutes, then raise the temperature at 2°C / min to 50°C for 50 minutes, then raise the temperature at 1°C / min to 65°C and keep warm for 60 minutes, and finally wash, neutralize and release the cloth.

[0029] The processed working solution is collected into the sedimentation tank, and the supernatant solution after static precipitation can be recycled, and new lye is added according to different process requirements before use.

[0030] Results: After treatment, the cloth surface is thick and plump, the dyeing rate is increased by more than 50% after dyeing, and the anti-wrinkle performance and dimensional stability are good.

Embodiment 2

[0031] Embodiment two; CVC knitted gray fabric direct short process production and processing

[0032] First add 110g / l caustic soda and 7g / l fiber bleaching nanomaterial composition, then put into the cloth and run for 5 minutes, then add 7g / l hydrogen peroxide. Keep warm at 30°C for 5 minutes, then raise the temperature at 2°C / min to 50°C for 50 minutes, then raise the temperature at 1°C / min to 65°C and keep warm for 60 minutes, and finally wash, neutralize and release the cloth.

[0033] The processed working solution is collected into the sedimentation tank, and the supernatant solution after static precipitation can be recycled, and new lye is added according to different process requirements before use.

[0034] Result: After treatment, the cloth surface is thick and plump, and the dyeing rate is increased by more than 40% after dyeing, and the anti-wrinkle performance and dimensional stability are good.

Embodiment 3

[0035] Embodiment 3: 24 pure cotton woven fabrics are directly produced and processed by cold stacking equipment in a short process

[0036] 24 pure cotton woven gray cloths in the alkali rolling process, use the liquid rolling machine to pad the lye, the nano material composition of fiber bleaching, hydrogen peroxide, alkali-resistant penetrating agent, the NaOH content in the lye in the lye tank 150g / l, 20g / l of nano-material composition for fiber bleaching, 15g / l of hydrogen peroxide, 5g / l of alkali-resistant penetrating agent, and the rest are water. Use a circulation pump to circulate the lye in the lye tank, and the speed of rolling the lye is: 45m / min, the rolling pressure is 2kg / cm 2 ; After rolling the alkali, it is coiled, and after coiling, it is rewound and stacked for 18 hours. Then fully wash with hot water, neutralize with acid, and then drop the cloth. The processed light alkali can be recycled by replenishing new alkali solution after being settled and preci...

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Abstract

The invention relates to a short-process production method capable of improving the crease resistance and dye uptake of fibers, yarns or fabrics. In the short-process production method, an alkali contraction step and an oxygen bleaching or cold batch padding pretreatment step for fibers, yarns or fabrics are combined under the condition of a low temperature; and working solution is composed of 80-210g/L of caustic soda, 3-30 g/L of hydrogen peroxide, 3-35 g/L of fiber bleaching nano-material composition, and the balance of water. The short-process production method has the beneficial effects of greatly shortening the production process and saving the costs of steam, water and electricity. A fiber fabric after being treated is softer and crease-resistant, and especially better in wet crease resistance and obviously improved in washing and wearing property; the crease resistant effect of the fabric treated by the method is close to advanced crease resistant effect obtained through treatment by using liquid nitrogen; the dimensional stability of the fabric is improved; the fabric feels thick, fluffy and soft; and the dosage of about 50% of softening agent can be reduced. Moreover, the dye uptake is improved by more than 30% in contrast with the traditional process; the dosage of a dye is greatly reduced; and the indexes such as COD (Chemical Oxygen Demand), chroma and the like of waste water are reduced.

Description

technical field [0001] The invention relates to the field of textile printing and dyeing, in particular to a short-process production method for improving wrinkle resistance and color uptake rate of cotton fibers, cotton-containing yarns or fabrics. Background technique [0002] The anti-wrinkle or non-ironing finishing of domestic cotton and blended yarns or fabrics has always been processed on special mercerizing machines. Before mercerizing or alkali shrinking, woven fabrics need to be desized, scoured, and bleached. It needs to be boiled and bleached before anti-wrinkle. The pre-treated yarn or knitted fabric is processed on the mercerizing machine at a low temperature of about 20 degrees for short-term alkali shrinkage or mercerized anti-wrinkle processing. Due to the low temperature and short time of alkali shrinkage or mercerized anti-wrinkle processing and the high amount of caustic soda, the solution is viscous. Thickness, so that the yarn or fabric only produces 2...

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): D06L3/02D06M11/38D06M15/53D06M11/79D06B3/18D06M101/06D06L4/12D06L4/13
Inventor 祝洪哲
Owner 苏州麻朵纺织科技有限公司
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