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Biological composite enzyme of pretreatment refining process for cotton fabric dyeing and finishing, and pretreatment refining process thereof

A biocomposite enzyme and cotton fabric technology, applied in the direction of enzyme/microbial biochemical treatment, fiber treatment, biochemical fiber treatment, etc., can solve the problems of reducing application value

Inactive Publication Date: 2018-02-23
PUTIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some researchers pointed out that when compound biological enzymes are refined in one bath, conflicts between different enzymes are likely to occur, and many compound enzyme preparations can only be refined by two-bath method or one-bath two-step method, which reduces its application value

Method used

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  • Biological composite enzyme of pretreatment refining process for cotton fabric dyeing and finishing, and pretreatment refining process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A biological composite enzyme used in the pretreatment and scouring process of cotton fabric dyeing and finishing, which is composed of a-amylase, pectinase and cellulase, and its weight content is 25% of a-amylase and 62.5% of pectinase % and cellulase 12.5%.

[0022] A kind of biological compound enzyme used in the pretreatment scouring process of cotton fabric dyeing and finishing is used in the pretreatment scouring process of cotton fabric dyeing and finishing, specifically as follows:

[0023] Step 1. Control the pH of the scouring solution to 7, and control the scouring temperature in a water bath to 65°C.

[0024] Step 2, add the above biological complex enzyme, the dosage is 4g / L; add citric acid 0.05g / L;

[0025] Step 3, add non-ionic surfactant JFC, the dosage is 1g / L;

[0026] Step 4, scouring the cotton fabric under the condition that the bath ratio is 1:20, the scouring time is 70min,

[0027] Step 5: After the scouring is completed, the cotton fabric i...

Embodiment 2

[0029] A biological compound enzyme used in the pretreatment and scouring process of cotton fabric dyeing and finishing, which is composed of a-amylase, pectinase and cellulase, and its weight content is 23.8% of a-amylase and 71.4% of pectinase % and cellulase 4.8%.

[0030] A kind of biological compound enzyme used in the pretreatment scouring process of cotton fabric dyeing and finishing is used in the pretreatment scouring process of cotton fabric dyeing and finishing, specifically as follows:

[0031] Step 1. Control the pH of the scouring solution to 7, and control the scouring temperature in a water bath to 50°C.

[0032] Step 2, add the above biological complex enzyme, the dosage is 2.5g / L; add citric acid 0.02g / L;

[0033] Step 3, add non-ionic surfactant Span-80, the dosage is 0.5g / L;

[0034] Step 4, the cotton fabric is scoured under the condition that the liquor ratio is 1:25, and the scouring time is 50min;

[0035] Step 5: After the scouring is completed, the...

Embodiment 3

[0037] A biological compound enzyme used in the pretreatment and scouring process of cotton fabric dyeing and finishing, which is composed of a-amylase, pectinase and cellulase, and its weight content is 27.3% of a-amylase and 54.5% of pectinase % and cellulase 18.2%.

[0038] A kind of biological compound enzyme used in the pretreatment scouring process of cotton fabric dyeing and finishing is used in the pretreatment scouring process of cotton fabric dyeing and finishing, specifically as follows:

[0039] Step 1. Control the pH of the scouring solution to 8, and control the scouring temperature in a water bath to 80°C.

[0040] Step 2, add the above biological complex enzyme, the dosage is 5.5g / L; add sorbitol 0.1g / L;

[0041] Step 3, add non-ionic surfactant Tween-80, the dosage is 2.0g / L;

[0042] Step 4, scouring the cotton fabric under the condition that the liquor ratio is 1:35, and the scouring time is 90min;

[0043] Step 5: After the scouring is completed, the cot...

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Abstract

The invention relates to a biological composite enzyme of a pretreatment refining process for cotton fabric dyeing and finishing, and a pretreatment refining process thereof. The biological compositeenzyme is formed by mixing 23.8-27.3 wt% of alpha-amylase, 54.5-71.4 wt% of pectinase and 4.8-18.2 wt% of cellulase. According to the pretreatment refining process, the pH value of a refining solutionis controlled at 7-8, the biological enzyme has good activity at the pH value of 7-8, the refining temperature is controlled at 50-80 DEG C, 2.1-5.5 g / L of the biological composite enzyme is added, 0.5-2.0 g / L of a non-ionic surfactant is added, a cotton fabric is refined for 50-90 min at a bath ratio of 1:(15-35), the refined cotton fabric is rapidly deactivated at a temperature of 100 DEG C after the refining, washing is performed with 95 DEG C hot water, washing is performed with 60 DEG C warm water, washing is performed with cold water, and drying is performed for 2-4 h at a temperature of 80 DEG C. According to the present invention, with the biological composite enzyme and the refining method, the refining quality and the refining efficiency of the biological composite enzyme are effectively improved, the environment pollution is effectively avoided, and the pollution management cost is reduced.

Description

technical field [0001] This patent relates to fabric production technology, especially a biological compound enzyme used in the pretreatment and scouring process of cotton fabric dyeing and finishing and its pretreatment and scouring process. Background technique [0002] At present, the main methods of pretreatment of cotton fabric dyeing and finishing are: chemical method, physical method and biological enzyme pretreatment method. Among them, the chemical method is mainly based on high-temperature strong alkali scouring, which has a good effect of removing impurities and can achieve good whiteness and wetness. It is a pre-treatment method commonly used in factories now, but this method has certain shortcomings. It is mainly manifested in the following points: (1) the alkalinity of the waste liquid after strong alkali refining is relatively high, and a large amount of acid must be used to neutralize it, which increases the salt content in the wastewater; (2) the strength of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M16/00D06M101/06
CPCD06M16/003D06M2101/06
Inventor 蔡力锋王鸿萍潘文城
Owner PUTIAN UNIV
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