Shrink-proof treatment method for cashmere fibres

A cashmere fiber and anti-shrinkage treatment technology, which is applied in fiber treatment, biochemical fiber treatment, animal fiber, etc., can solve the problems of fabric color and color light influence, and achieve the effect of less fiber damage

Inactive Publication Date: 2010-12-29
XI'AN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to provide a kind of anti-shrinkage treatment method of cashmere fiber, which solves the problem that the existing anti-shrinkage method affects the color and shade of the dyed fabric

Method used

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  • Shrink-proof treatment method for cashmere fibres
  • Shrink-proof treatment method for cashmere fibres

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Step 1: Soak the cashmere fibers in water for 5 minutes, and then dehydrate them with a centrifuge.

[0033] Step 2: Protease pretreatment: put the cashmere fiber obtained in the previous step in a Savinase protease solution with a mass concentration of 2%, and treat it at a temperature of 30°C for 0.3h, and maintain a pH value of 7.

[0034] Step 3: high-temperature enzyme inactivation: put the cashmere fiber obtained in the previous step in a water bath at 70°C for 20 minutes to inactivate the enzyme, and then dehydrate it with a centrifuge.

[0035] Step 4: Potassium permanganate treatment: place the cashmere fiber obtained in the previous step in a solution with a mass concentration of 2% potassium permanganate, and treat it at a temperature of 30°C for 0.5h, keep the pH value at 1, and then Dehydrate in a centrifuge.

[0036] Step 5: Reduction treatment: place the cashmere fibers obtained in the previous step in a reduction treatment solution, treat them at a temp...

Embodiment 2

[0038] Step 1: Soak the cashmere fiber in water for 20 minutes, and then dehydrate it with a centrifuge.

[0039] Step 2: Protease pretreatment: put the cashmere fiber obtained in the previous step in a Savinase protease solution with a mass concentration of 8%, and treat it at a temperature of 60°C for 1 hour, and keep the pH value at 10.

[0040] Step 3: high-temperature enzyme inactivation: put the cashmere fiber obtained in the previous step in a water bath at 90° C. for 20 minutes to inactivate the enzyme, and then dehydrate it with a centrifuge.

[0041] Step 4: Potassium permanganate treatment: place the cashmere fiber obtained in the previous step in a solution of potassium permanganate with a mass concentration of 15%, and treat it for 1 hour at a temperature of 60°C, keep the pH value at 6, and then use Centrifuge to dehydrate.

[0042] Step 5: Reduction treatment: place the cashmere fibers obtained in the previous step in a reduction treatment solution, treat them ...

Embodiment 3

[0044] Step 1: Soak the cashmere fibers in water for 10 minutes, and then dehydrate them with a centrifuge.

[0045]Step 2: Protease pretreatment: put the cashmere fiber obtained in the previous step in a Savinase protease solution with a mass concentration of 6%, treat it at a temperature of 50°C for 0.5h, and maintain a pH value of 9.

[0046] Step 3: high-temperature enzyme inactivation: put the cashmere fiber obtained in the previous step in a water bath at 80° C. for 10 minutes to inactivate the enzyme, and then dehydrate it with a centrifuge.

[0047] Step 4: Potassium permanganate treatment: place the cashmere fiber obtained in the previous step in a solution with a mass concentration of 12% potassium permanganate, treat it at a temperature of 50°C for 0.8h, and keep the pH value at 5, then Dehydrate in a centrifuge.

[0048] Step 5: Reduction treatment: place the cashmere fibers obtained in the previous step in a reduction treatment solution, treat them at a temperatu...

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Abstract

The invention discloses a shrink-proof treatment method for cashmere fibres. The method comprises the following steps of: soaking the cashmere fibres in water for 5 to 20 minutes and dehydrating the cashmere fibres; putting the cashmere fibres in 2 to 8 mass percent solution of proteinase, treating the cashmere fibres at the temperature of between 30 and 60 DEG C for 0.3 to 1 hour, and keeping the pH value between 7 and 10; placing the cashmere fibres in a water bath at the temperature of between 70 and 90 DEG C, treating the cashmere fibres for 5 to 20 minutes, and dehydrating the cashmere fibres with a centrifuge; placing the cashmere fibres in 2 to 15 mass percent solution of potassium permanganate, treating the cashmere fibres at the temperature of between 30 and 60 DEG C for 0.5 to 1 hour, keeping the pH value between 1 and 6, and dehydrating the cashmere fibres with the centrifuge; and placing the cashmere fibres in reduction treatment solution, treating the cashmere fibres at the temperature of between 30 and 60 DEG C for 10 to 20 minutes, and drying the cashmere fibres to obtain the shrink-proof cashmere fibres. The shrink-proof treatment method of the invention is applied to the occasion of mainly adopting fibre dyeing in the production of cashmere knit fabrics and woven fabrics. The cashmere fibres are subjected to shrink-proof treatment and are dyed according to production requirements, but the colours of the fibrics are not affected and the fibres subjected to shrink-proof treatment can meet the processing requirement of knit fabrics, braided fabrics and woven fabrics.

Description

technical field [0001] The invention belongs to the technical field of textiles, and in particular relates to an anti-shrinkage treatment method for cashmere fibers. Background technique [0002] Cashmere fiber is a high-quality textile raw material and has the reputation of "soft gold". Cashmere products processed with it (such as cashmere sweaters and cashmere fabrics) have the characteristics of smooth, light, warm and elegant. Because there is a scale layer on the surface of the cashmere fiber, and the fiber has curl characteristics, during the washing process of the cashmere product, the scales arranged in the orientation will cause displacement between the fibers under the action of friction, resulting in shrinkage (felting) and shrinkage of the fabric area. The shape is unstable, which reduces the ingestibility of the product. The shortcomings of cashmere products are poor careability, felt shrinkage and deformation after machine washing, pilling and so on. Especia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M16/00D06M11/50D06M11/54D06M13/188C12S11/00D06M101/12
Inventor 李龙郑秋生胡雪玉
Owner XI'AN POLYTECHNIC UNIVERSITY
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