Neutral low-temperature refining enzyme and use thereof in pretreatment of fabrics

A technology of low-temperature refining and neutral cellulase, which is applied in fiber treatment, biochemical fiber treatment, enzymes, etc., can solve the problem of poor water absorption of cotton fabric, increase the burden of sewage treatment and energy consumption, and affect the quality of cotton. Fiber strength and other issues, to achieve the effect of saving dyes, reducing the rate of dyeing defective products, and not affecting fiber strength

Active Publication Date: 2011-08-17
沧州夏盛酶生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the pretreatment process of printing and dyeing mainly adopts high temperature and high alkali for refining treatment, which not only damages the fiber, but also causes serious harm to the environment, increasing the burden of sewage treatment and energy consumption costs
Alkaline refining enzymes have also been introduced on the market, but they are not effective in removing cotton seed husks and the water absorption of cotton fabrics, and affect the strength of cotton fibers under alkaline conditions

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

[0052] Prepare neutral low-temperature refining enzyme according to the following ratio:

[0053] 40 parts by weight of neutral cellulase

[0054] 50 parts by weight of pectinase

[0055] 10 parts by weight of xylanase

[0056] Lipase 10 parts by weight

[0057] Laccase 5 parts by weight

[0058] Use the prepared neutral low-temperature refining enzyme to pre-treat medium-dark knitted fabrics in the overflow machine. First, put the gray fabric in the overflow machine, add water with a bath ratio of 1:10-15, and heat the water to 50-60°C, adjust the pH to 5.0-7.0 by adding glacial acetic acid, add 2g / L of the prepared neutral low-temperature refining enzyme, and run for 40 minutes to complete the refining process. During the production process, the running time can be adjusted according to the cottonseed content. When the cottonseed content is high, the running time is long, such as 60 minutes; when the cottonseed content is low, the running time is short, such as 30 minute...

Embodiment 2

[0060] Prepare neutral low-temperature refining enzyme according to the following ratio:

[0061] Neutral cellulase 15 parts by weight

[0062] 60 parts by weight of pectinase

[0063] 10 parts by weight of xylanase

[0064] Lipase 5 parts by weight

[0065] Laccase 10 parts by weight

[0066] The prepared neutral low-temperature refining enzyme is used to pre-treat the woven fabric in the pad-batch equipment, adding water with a bath ratio of 1:10 in the rolling tank, raising the temperature of the water to 50-60°C, and adding glacial acetic acid to Adjust the pH to 5.0-7.0, add 8g / L prepared neutral low-temperature refining enzyme, 12g / L hydrogen peroxide (30%), the gray cloth is soaked twice and rolled twice, the liquid retention rate is 100%, and then put into the pile tank for 6 Hour.

Embodiment 3

[0068] Prepare neutral low-temperature refining enzyme according to the following ratio:

[0069] Neutral cellulase 15 parts by weight

[0070] 30 parts by weight of pectinase

[0071] 30 parts by weight of xylanase

[0072] Lipase 20 parts by weight

[0073] Laccase 5 parts by weight

[0074] Use the prepared neutral low-temperature refining enzyme to pre-treat the woven fabric in the jigger, add water with a bath ratio of 1:10-20 into the jigger, heat the water to 50-60°C, and add Adjust the pH to 5.0-7.0 with glacial acetic acid, add 1% (o.w.f.) of the prepared neutral low-temperature refining enzyme, 4g / L oxygen water (30%), and run for 90 minutes to complete the refining process.

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 relates to a neutral low-temperature refining enzyme and use thereof in pretreatment of fabrics. The neutral low-temperature refining enzyme comprises 15 to 50 weight parts of neutral cellulose, 30 to 70 weight parts of pectinase, 10 to 30 weight parts of xylanase, 5 to 30 weight parts of lipase and 10 to 15 parts of laccase. When the neutral low-temperature refining enzyme is used, cotton seed hulls, pectic substances, waxiness and the like can be removed effectively, the water absorptivity, fiber strength and dyeing property of cotton fabrics can be improved, dye can be saved, process time can be reduced and the production efficiency can be improved. A green processing method which is low in carbon content, environment-friendly and energy-efficient can be realized actually in the fabric dyeing industry.

Description

technical field [0001] The invention relates to the technical field of fabric dyeing and finishing, in particular, the invention relates to a neutral low-temperature refining enzyme and its application in fabric pretreatment. technical background [0002] At present, high temperature and high alkali are mainly used in the pretreatment process of printing and dyeing for refining treatment, which not only damages fibers, but also causes serious harm to the environment, increasing the burden of sewage treatment and energy consumption costs. Although alkaline refining enzymes have also been introduced on the market, their removal effect on cotton seed hulls and the water absorption of cotton fabrics are not good, and the strength of cotton fibers is affected under alkaline conditions. [0003] Therefore, hope to have a kind of refining enzyme of environmental protection, to overcome the defective of above-mentioned existing refining enzyme. Contents of the invention [0004] ...

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): C12N9/00D06M16/00C12S11/00
Inventor 赵彰
Owner 沧州夏盛酶生物技术有限公司
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