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Method for manufacturing pig leather

A production method and pigskin technology, applied in small raw hide/large raw hide/leather/fur treatment, small raw hide/large raw hide/leather hide/fur chemical treatment, chemical treatment before tanning, etc. , poor air permeability and other problems, to achieve the effect of non-toxic by-products and good air permeability

Inactive Publication Date: 2009-09-02
石章莲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention mainly solves the technical problems existing in the prior art, such as many components with toxic and side effects, fear of rain, poor air permeability, etc., and provides a method for making pig leather with no toxic by-products, rain resistance, and good air permeability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0037] The steps of pig leather production method of the present invention are as follows:

[0038] 1. Put the fresh pigskin into the drum and wash it with running tap water for 30-40 minutes;

[0039] 2. Softening: Add water twice the weight of fresh pigskin at room temperature, add 0.6% of fresh pigskin’s weight of soda ash, add 0.2% of fresh pigskin’s weight of GFC penetrating agent, stop after 60 minutes of tumbling, and then stop every hour Turn for 10 minutes, turn 3 times;

[0040] 3. Wash the fresh pigskin with tap water for 30-40 minutes;

[0041] 4. Use 45-50℃ hot water to degrease the pigskin:

[0042] For one degreasing, add 0.8 times the weight of pigskin water at a temperature of 35-36°C, add 1.5% pigskin weight soda ash, add 1% pigskin weight degreasing agent, turn for 60 minutes, and then wash with clear water for 15 minutes.

[0043] For secondary degreasing, at a temperature of 35-36°C, add water 0.8 times the weight of pigskin, add 0.6% soda ash by weight...

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PUM

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Abstract

The invention relates to a method for manufacturing pig leather, in particular to the method for manufacturing the pig leather without environmental pollution. The invention mainly solves the technical problems of more components with toxic and side effects, no rain proofness, poor gas permeability and the like of the prior art and provides the method for manufacturing the pig leather which has no components with toxic or side effects, rain resistance and good gas permeability. The technical proposal of the method is as follows: the step of enzyme coating is increased after the traditional step of enzyme dipping, the step of dealkalization is increased after the traditional step of caustic dipping, and the residual harmful substances during the manufacturing process are removed, while the quality and the performance of pig skin are further enhanced.

Description

technical field [0001] The invention relates to a method for making pig leather, in particular to an environmentally friendly and pollution-free method for making pig leather. Background technique [0002] At present, many methods of making pig leather will lead to excessive azo, 4-amino-linked and other toxic and side effects ingredients in the leather. In addition, the leather produced by traditional crafts has some deficiencies such as discoloration, pulp loss, cracks, wrinkling, hardening, fear of rain, excessive thickness and weight, and poor air permeability to varying degrees. [0003] Such as a kind of pigskin garment leather production process whose domestic publication number is CN1492056, its process is composed of the following processes: pigskin raw hide grouping, mechanical de-fleshing, degreasing, enzymatic encapsulation, plucking, depilation, re-ashing, de-liming, softening , pickling, tanning, standing, splitting, and shaving; the front leather is retanned,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C14C1/08C14C3/02
Inventor 毛俊荣
Owner 石章莲
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