Crocodile belly skin tanning processing method

A processing method and abdomen technology, applied in the field of crocodile abdomen leather tanning processing, can solve the problems of flat, thin and hollow finished leather, difficulty in removing fat, and difficulty in removing scales.

Active Publication Date: 2015-05-06
蚌埠启邦科技信息咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of crocodile abdomen skin tanning processing method that can be used for actual batch production, overcome fat removal difficulty in crocodile skin tanning processing process, skin plate and bone armor are hard to soften, bone shell and skin plate are loosely connected, Difficult to remove scales, poor bleaching and fading effect, thin and loose finished leather, improper hanging method, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0208] Soaking→flesh→scraping oil film→degreasing, preliming→scraping oil film→aldehyde pretanning→scraping oil film→liming→scraping oil film→scaling→deliming→scraping oil film→joint bleaching→softening→scraping oil film→joint bleaching→ Degreasing→softening oracle bones, bleaching→pickling, softening→tanning→shaving→degreasing→neutralization→retanning→fatliquoring→sanding→dry cleaning→dyeing→hanging→finishing;

[0209] The amount of chemical materials used in each process is based on the quality of crocodile skin;

[0210] The specific process steps are as follows:

[0211] Soaking process: the liquid ratio is 150%, the temperature is 35°C, the amount of degreasing agent is 2%, the amount of fungicide is 1%, the amount of immersion aid is 1%, the amount of wetting agent is 3%, and then washed after standing for 12 hours;

[0212] Flesh removal process: After soaking in water, use a handle-type meat remover to remove the meat, squeeze and rotate, and adjust the strength of th...

Embodiment 2

[0293] Soaking→flesh→scraping oil film→degreasing, preliming→scraping oil film→aldehyde pretanning→scraping oil film→liming→scraping oil film→scaling→deliming→scraping oil film→joint bleaching→softening→scraping oil film→joint bleaching→ Degreasing→softening oracle bones, bleaching→pickling, softening→tanning→shaving→degreasing→neutralization→retanning→fatliquoring→sanding→dry cleaning→dyeing→hanging→finishing;

[0294] The amount of chemical materials used in each process is based on the quality of crocodile skin;

[0295] The specific process steps are as follows:

[0296] Soaking process: the liquid ratio is 350%, the temperature is 30°C, the amount of degreasing agent is 4%, the amount of bactericide is 0.6%, the amount of immersion aid is 2%, the amount of wetting agent is 1.5%, and then washed after standing for 18 hours;

[0297] Flesh removal process: After soaking in water, use a handle-type meat remover to remove the meat, squeeze and rotate, and adjust the strength...

Embodiment 3

[0378] Soaking→flesh→scraping oil film→degreasing, preliming→scraping oil film→aldehyde pretanning→scraping oil film→liming→scraping oil film→scaling→deliming→scraping oil film→joint bleaching→softening→scraping oil film→joint bleaching→ Degreasing→softening oracle bones, bleaching→pickling, softening→tanning→shaving→degreasing→neutralization→retanning→fatliquoring→sanding→dry cleaning→dyeing→hanging→finishing;

[0379] The amount of chemical materials used in each process is based on the quality of crocodile skin;

[0380] The specific process steps are as follows:

[0381] Soaking process: the liquid ratio is 500%, the temperature is 20°C, the amount of degreasing agent is 6%, the amount of fungicide is 0.3%, the amount of immersion aid is 4%, the amount of wetting agent is 0.3%, and then washed after standing for 24 hours ;

[0382] Flesh removal process: After soaking in water, use a handle-type meat remover to remove the meat, squeeze and rotate, and adjust the strength...

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Abstract

The invention relates to a crocodile belly skin tanning processing method. The problems that fats are difficult to remove, dermatome and oracle bone are difficult to soften, scales and shells are difficult to remove, bleaching and fading effects are not good, the finished leather is flat, thin, empty and loose, and the hang drying method is improper and the like are unsolved in the existing crocodile skin tanning technology. The crocodile belly skin tanning processing method comprises the steps of soaking, fleshing, oil film scraping, degreasing and pre-liming, oil film scraping, aldehyde pre-tanning, oil film scraping, liming, oil film scraping, scale brushing, deliming, oil film scraping, united bleaching, softening, oil film scraping, combined bleaching, degreasing, oracle bond softening and bleaching, pickling and softening, tanning, shaving, degreasing, neutralizing, re-tanning, fat-liquoring, leather fluffing, dry cleaning, dyeing, hang drying and coating. The processing technology of Nile crocodile belly raw material skin is provided, and the crocodile skin is soft and plump and elastic, keeps the complete crocodile skin patterns, not only can be processed into dark leather, but also can be processed into light leather and white leather. The leather can be used for processing luggage leather, shoe leather, belt and watch strap leather and the like, and has a very high market value.

Description

technical field [0001] The invention belongs to the technical field of special leather processing, and in particular relates to a tanning and processing method for crocodile abdomen leather. Background technique [0002] In recent years, the consumption of medium and high-end leather products in my country has become a new bright spot in the world, and foreign brands have entered my country one after another to seize the market. Crocodile leather products, as the leader in the high-end leather products industry, are sought after by all parties. However, my country started relatively late in terms of crocodile breeding and brand building of crocodile leather products, with low popularity and reputation. There are no recognized brands in the domestic market. This urgently requires us to master mature leather-making technology and establish own brand. In the actual production process of crocodile skin, there are still many technical difficulties to be overcome. At the same ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C14C1/04C14C1/08C14C1/06C14C1/00C14C3/08C14C3/28C14C5/00C14C9/02D06P3/32C14B1/58C14B1/02
CPCC14B1/02C14B1/58C14C1/00C14C1/04C14C1/06C14C1/08C14C3/08C14C3/28C14C5/00C14C9/02D06P3/32
Inventor 强涛涛高鑫李小宁张婷王学川
Owner 蚌埠启邦科技信息咨询有限公司
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