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Raw leather pickling agent

A kind of pickling agent and leather technology, which is applied in the preservation, application, and animal husbandry of human or animal bodies. It can solve the problems of easy fading, bacteria cannot survive, loss of elasticity, etc., and achieve the effect of storage resistance

Inactive Publication Date: 2006-08-09
WEIFANG CHANGDA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The disadvantages of pickling raw leather with hair with industrial raw salt are: 1. 95% sodium chloride contained in industrial raw salt can dehydrate bacteria, causing bacteria to fail to survive, and the leather will not rot. However, high concentrations of sodium chloride will also dehydrate the leather, lose its elasticity and harden, and produce salt spots on the leather; 2. The impurities contained in industrial raw salt are easy to breed fungi, commonly known as salt worms, which will decompose the leather in the leather. 3. Due to the high degree of dehydration of fresh raw hides, the leather is not easy to color and easy to fade

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Sodium chloride is crushed to 1mm-2mm, and dried in a drying oven until the water content is below 5%. In parts by weight, 45 parts of sodium chloride, 25 parts of sodium sulfate, 2 parts of dimethyl fumarate, 2 parts 1 part of alum, 2 parts of sodium carbonate and 10 parts of talcum powder with a fineness of more than 200 meshes, mixed uniformly with a mixer to prepare raw leather pickling agent.

[0015] The fresh pig hides with hair are divided into two groups, wherein group A is pickled with industrial raw salt, and group B is pickled with the raw leather pickling preparation prepared in this embodiment, and the two groups of A and B in pickling are Carry out rot test, dyeing test, decolorization test, depilation test after carrying out dehydration weighing and pickling, the data of gained is listed by table 1-table 5, wherein: table 1 is dehydration test data, and table 2 is rot test data, table 3 is the dyeing test data, Table 4 is the decolorization test data, an...

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Abstract

The present invention relates to a pickling agent for pickling raw leather with hair. Its composition contains (by weight portion) 40-50 portions of sodium chloride whose grain size is 1 mm-2 mm and water content is less than 5%, 20-30 portions of sodium sulfate, 1.5-3 portions of dimethyl fumarate, 1.5-3 portions of white alum and 1.5-3 portions of sodium carbonate. The above-mentioned all ingredients are uniformly mixed so as to obtain the invented pickling agent. It can make raw leather with hair be smooth and have elasticity.

Description

technical field [0001] The invention relates to a raw leather pickling agent. Background technique [0002] Although my country is a big country in leather production, its production technology is primitive and backward, so it cannot produce high-grade high-quality leather. For example, raw leather with hair removed from pigs, cattle and sheep in meat processing plants is usually pickled with industrial raw salt to prevent spoilage, and then sent to leather processing plants for processing. The disadvantages of pickling raw leather with hair with industrial raw salt are: 1. 95% sodium chloride contained in industrial raw salt can dehydrate bacteria, causing bacteria to fail to survive, and the leather will not rot. However, high concentrations of sodium chloride will also dehydrate the leather, lose its elasticity and harden, and produce salt spots on the leather; 2. The impurities contained in industrial raw salt are easy to breed fungi, commonly known as salt worms, which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N1/00
Inventor 朱庆然朱华然
Owner WEIFANG CHANGDA CHEM
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