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A Cryogenic Treatment Method for Inhibiting the Shrinkage of Wool Fabric

A technology of cryogenic treatment and wool, applied in fiber treatment, fabric surface trimming, heating/cooling fabric, etc., to achieve the effect of enhancing dimensional stability, improving shrink resistance performance, and simple process method

Active Publication Date: 2020-04-28
绍兴兆丽新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] So far, there has been no report on the application of cryogenic treatment to inhibit the shrinkage of wool fabrics

Method used

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  • A Cryogenic Treatment Method for Inhibiting the Shrinkage of Wool Fabric
  • A Cryogenic Treatment Method for Inhibiting the Shrinkage of Wool Fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1 Cryogenic treatment reduces the shrinkage of wool knitted fabrics

[0030] Place the clean wool knitted fabric (produced by Zhejiang Sande Textile Co., Ltd.) in the cryogenic treatment equipment (SLX-30), and cover the container of the cryogenic treatment equipment tightly to prevent the leakage of low-temperature liquid nitrogen, which will affect the accuracy of temperature control and processing Effect, set cryogenic treatment process parameters, see Table 1 for details. After the treatment is completed, when the ambient temperature of the container reaches room temperature, the wool knitted fabric is taken out, and the modification treatment process is completed.

[0031] The shrinkage rate of the wool knitted fabric after cryogenic treatment was tested according to the GB / T8629-2001 standard. The shrinkage rate of the wool knitted fabric after three washings before treatment: the horizontal and vertical shrinkage rates were 16.2% and 14.4% respectively...

Embodiment 2

[0034] Example 2 Cyclic cryogenic treatment reduces the shrinkage performance of wool knitted fabrics

[0035] Place the clean wool knitted fabric (Zhejiang Sande Textile Co., Ltd.) in the cryogenic treatment equipment (SLX-30), and cover the container of the cryogenic treatment equipment tightly to avoid leakage of low-temperature liquid nitrogen, which will affect the accuracy of temperature control and treatment effect , set the cryogenic treatment process parameters, see Table 2 for details. After the treatment is completed, when the ambient temperature of the container reaches room temperature, the wool knitted fabric is taken out, and the modification treatment process is completed.

[0036] The wool knitted fabric was tested for shrinkage according to the GB / T8629-2001 standard. The shrinkage of the wool knitted fabric after three washings before treatment was 16.2% and 14.4% in the horizontal and vertical directions respectively; after three cycles of cryogenic treatme...

Embodiment 3

[0039] Embodiment 3 Cryogenic treatment reduces shrinkage of wool knitted fabrics

[0040] Place the clean wool knitted fabric (produced by Zhejiang Sande Textile Co., Ltd.) directly in a liquid nitrogen environment for cryogenic treatment, and tightly cover the container of the cryogenic treatment equipment to avoid leakage of cryogenic liquid nitrogen. After 12 hours of treatment, the wool knitted fabric was taken out, placed at room temperature and naturally returned to room temperature, and the modification process was completed.

[0041] The shrinkage rate of the wool knitted fabric after cryogenic treatment was tested according to the GB / T8629-2001 standard. The shrinkage rate of the wool knitted fabric after three washings before treatment: the horizontal and vertical shrinkage rates were 16.2% and 14.4% respectively; after the cryogenic treatment, the shrinkage rate after three washings was Shrinkage rate: horizontal and vertical are 13.2% and 12.6% respectively. It c...

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PUM

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Abstract

The invention relates to a subzero treatment method for inhibiting shrink of wool fabric. The subzero treatment method is characterized by comprising at least one time subzero treatment and warming-uptreatment, the temperature of the wool fabric after subzero treatment is returned to room temperature, then insulation is carried out for 2-10 h, next subzero treatment and warming-up treatment are carried out, the technological parameters of each time of the subzero treatment and warming-up treatment are same or different; wherein the subzero treatment is characterized in that the wool fabric issubjected to subzero treatment, the processing temperature is controlled at -200--100 DEG C, and the processing time is 1-15 h; and the warming-up treatment is characterized in that the wool fabric after subzero treatment is taken out, and warming-up treatment is naturally performed to room temperature or warming-up treatment is performed at a heating speed controlled being 1-20 DEG C / min to roomtemperature. The compression stress brought by subzero treatment makes the wool fiber scales to tightly attach on the fibers, and an upwarp degree of a scale layer is inhibited, so that shrink-resistant performance of the wool fabric is effectively increased. The subzero treatment method has the advantages of simple process, convenient operation, and no pollution, and has important practical meaning and industrial application prospect.

Description

technical field [0001] The invention belongs to the field of functional finishing of wool fabrics, and in particular relates to a cryogenic treatment method for inhibiting the shrinkage of wool fabrics. Background technique [0002] Wool is a kind of natural protein fiber, which has the advantages of soft hand feeling, firm texture, good luster, strong moisture absorption and good warmth retention, so wool clothing has always been favored and valued by people. Because the wool fiber is composed of a scale layer and a cortex layer, the scales have a certain height and thickness, and some edges are zigzag, shaped like barbs, and it is easy to cause fibers to collude and stick together during the wearing process. The fibers rub against each other, and the jagged scales mesh with each other, resulting in shrinkage. After shrinking, the size of wool clothing will change greatly, and it may even be impossible to wear. How to overcome the shrinkage of wool fabrics has always been...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06C7/00D06M11/58D06M101/12
CPCD06C7/00D06M11/58D06M2101/12
Inventor 张万虎李芳丽许福军
Owner 绍兴兆丽新材料科技有限公司