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Tanning agent for chinchilla skin and tanning process of chinchilla skin

A technology of tanning agent and squirrel, which is applied in the field of tanning agent and its tanning process, can solve the problems of high cost, complicated tanning process and low efficiency, and achieve the effects of reducing production cost, simplifying the tanning process, and simplifying the process

Inactive Publication Date: 2017-08-01
QUANZHOU XINCAI TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a tanning agent for chinchilla skin and a chinchilla skin tanning process to overcome the problems of complex tanning procedures, low efficiency and high cost in the current partial tanning process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0023] The preparation of this tanning agent consists of the following raw materials in proportioning by weight: 8.5 parts of ammonium sulfate, 5 parts of diisocyanate, 11 parts of urea-formaldehyde resin, 2 parts of sodium phthalate, 13 parts of itaconic acid di Butyl esters, 8 parts of biscarboxyethylamine, 16 parts of azolone, 4.5 parts of o-carboxybenzaldehyde, 5.5 parts of di-n-butylamine, 6.5 parts of aliphatic aldehydes and 10 parts of maleic acid .

[0024] The tanning process of the chinchilla skin using the tanning agent of the present embodiment is that the chinchilla skin is only processed through the following steps carried out in sequence:

[0025] a. Soak in water: immerse the depilated squirrel skin in the salt water with a pH of 4.5, and the soaking time is 6 hours;

[0026] b. De-meat: remove the meat of the squirrel skin by a de-meat machine;

[0027] c. Softening: immerse the squirrel skin in salt water with a pH of 4.5 for 15-17 minutes, then drain the s...

Embodiment approach 2

[0032] The preparation of the tanning agent of the present embodiment is made of the following raw materials in proportion by weight: 7.5 parts of ammonium sulfate, 5.5 parts of diisocyanate, 12 parts of urea-formaldehyde resin, 1.5 parts of sodium phthalate, 12 parts of clothing Dibutyl carboxylate, 8.5 parts of biscarboxyethylamine, 16.5 parts of azolone, 3.5 parts of o-carboxybenzaldehyde, 4.5 parts of di-n-butylamine, 7.5 parts of fatty aldehyde and 9 parts of cis-butyl Acenoic acid.

[0033] The tanning process of the chinchilla skin using the tanning agent of the present embodiment is that the chinchilla skin is only processed through the following steps carried out in sequence:

[0034] a. Soak in water: immerse the depilated squirrel skin in the salt water with a pH of 5, and the soaking time is 8 hours;

[0035] b. De-meat: remove the meat of the squirrel skin by a de-meat machine;

[0036] c. Softening: immerse the squirrel skin in salt water with a pH of 5 for 20 ...

Embodiment approach 3

[0040] The preparation of the tanning agent of the present embodiment is made of the following raw materials in proportion by weight: 9.5 parts of ammonium sulfate, 4.5 parts of diisocyanate, 10 parts of urea-formaldehyde resin, 2.5 parts of sodium phthalate, 14 parts of clothing Dibutylconate, 7.5 parts of biscarboxyethylamine, 16 parts of azolone, 4.5 parts of o-carboxybenzaldehyde, 5.5 parts of di-n-butylamine, 6.5 parts of fatty aldehyde and 9.5 parts of cis-butyl Acenoic acid.

[0041] The tanning process of the chinchilla skin using the tanning agent of the present embodiment is that the chinchilla skin is only processed through the following steps carried out in sequence:

[0042] a. Soaking in water: immerse the squirrel skin of dehairing in the salt water of 4 in pH, soaking time is 64 hours;

[0043] b. De-meat: remove the meat of the squirrel skin by a de-meat machine;

[0044] c. Softening: immerse the squirrel skin in salt water with a pH of 4 for 15 minutes, th...

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Abstract

The invention relates to a tanning agent for a chinchilla skin and a tanning process of the chinchilla skin. The tanning agent is prepared from ammonium sulfate, diisocyanate, urea-formaldehyde resin, sodium phthalate, dibutyl itaconate, dicarboxylic-ethylamine, 2-oxopyrrolidine, carboxybenzaldehyde, dibutylamine, fatty aldehyde and cis-butenedioic acid. The tanning process comprises a step of sequentially carrying out processes of water immersion, fleshing, softening, tanning and airing on the chinchilla skin. According to the tanning agent provided by the invention, a good tanning effect pointedly on the chinchilla skin is achieved; by adopting the tanning agent, the processes of tanning the chinchilla skin can be effectively simplified; the processes of water immersion, fleshing, softening, tanning and airing of the chinchilla skin are only carried out so as to obtain chinchilla leather; the tanning process has an effect of eliminating lipid of the chinchilla skin, and the tanning process can be effectively simplified, the tanning efficiency is also effectively promoted, and the production cost is effectively reduced; moreover, the prepared chinchilla leather has good properties of soft and delicate handfeel, abrasion resistance, good elasticity and the like.

Description

technical field [0001] The invention relates to a tanning agent and a tanning process thereof, in particular to a tanning agent especially suitable for squirrel skin and the tanning process of the squirrel skin. Background technique [0002] Leather is denatured and non-perishable animal skin obtained through physical and chemical processing such as depilation and tanning. Leather is composed of natural protein fibers tightly woven in three-dimensional space. There is a special grain layer on the surface, which has natural grain and luster, and feels comfortable. [0003] The current leather tanning process is relatively complicated. For example, the Chinese invention patent with application number 201310725180.5 provides a goatskin synthetic tanning process. Meat → secondary degreasing → pickling → softening → tanning → neutralization → drying with water → regain moisture and shovel until soft. The tanning process requires multiple processes of immersion in water, degreas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C14C3/08C14C1/08C14C1/04C14B1/58C14B1/02
CPCC14C3/08C14B1/02C14B1/58C14C1/04C14C1/08
Inventor 王星河
Owner QUANZHOU XINCAI TRADE
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