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Leather material and processing method thereof

A processing method and technology of leather materials, applied in the direction of small raw hide/large raw hide/leather/fur treatment, small raw hide/large raw hide/leather/fur mechanical treatment, small raw hide/large raw hide/leather hide/fur chemical treatment, etc. It can solve the problems of inability to directly wash water, difficult to clean, and damage to the fiber structure of sheep leather, so as to achieve the effects of saving labor and material costs, simple segmentation and processing, and high energy utilization.

Inactive Publication Date: 2011-01-26
谈国忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The leather products made by this glue dispensing technology cannot be washed directly because the glue used in this glue dispensing technology is soluble in water, and the skin and cloth will separate after washing. Clothes made of synthetic materials are not easy to clean
[0003] In the prior art, taking sheepskin products as an example, the sheepskin used for clothing manufacturing in the market has an elasticity range of 5%-8%, and the elasticity is not high.
If the elasticity is directly increased, the fibrous tissue of the sheep leather itself will be destroyed, so that the tear resistance of the sheep leather itself will be greatly reduced

Method used

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  • Leather material and processing method thereof
  • Leather material and processing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Leather processing method in the present embodiment, comprises the steps:

[0038] 1) Pre-treat the sheepskin into a semi-finished leather material with a thickness of 0.7 mm; the pre-treatment specifically includes: grading the sheepskin, removing hair, degreasing, degreasing and neutralizing, adjusting the pH value to 5.5, and then dry;

[0039] 2) Cut the semi-finished leather material into the top layer leather and the second layer leather with a thickness of 0.35mm respectively by using the sheeting process;

[0040] 3) According to the required elasticity, scrape and shape the bonding surface of the elastic cotton, so that the elastic range of the elastic cotton after the setting is consistent with the elastic range of the cut top layer skin or second layer skin;

[0041] 4) The laminating surface of the cut top layer skin and the laminating surface of the elastic cotton that is suitable for its elasticity are passed through a laminating machine with a material c...

Embodiment 2

[0048] Leather processing method in the present embodiment, comprises the steps:

[0049] 1) Pre-treat the sheepskin into a semi-finished leather material with a thickness of 0.8 mm; the pre-treatment specifically includes: grading, dehairing, and degreasing the sheepskin, then degreasing and neutralizing, adjusting the pH value to 5.8, and then dry;

[0050] 2) The semi-finished leather is cut into a top layer leather and a second layer leather with a thickness of 0.4mm respectively by using a piece of skin technology;

[0051] 3) According to the required elasticity, scrape and shape the bonding surface of the elastic cotton, so that the elastic range of the elastic cotton after the setting is consistent with the elastic range of the cut top layer skin or second layer skin;

[0052] 4) The laminating surface of the first layer of skin after the cutting and the laminating surface of the elastic cotton adapted to its elasticity are bonded under pressure at a high temperature ...

Embodiment 3

[0059] Leather processing method in the present embodiment, comprises the steps:

[0060] 1) Pre-treat the cowhide into a semi-finished leather material with a thickness of 0.9 mm; wherein, the pre-treatment specifically includes: grading the cowhide, dehairing, degreasing, degreasing and neutralizing, adjusting the pH value to 5.9, and then dry;

[0061] 2) Cut the semi-finished leather material into the top layer leather and the second layer leather with a thickness of 0.45mm respectively by using the sheet leather process;

[0062] 3) According to the required elasticity, scrape and shape the bonding surface of the elastic cotton, so that the elastic range of the elastic cotton after the setting is consistent with the elastic range of the cut top layer skin or second layer skin;

[0063] 4) The laminating surface of the first layer of skin after the cutting and the laminating surface of the elastic cotton adapted to its elasticity are bonded under pressure at a high temperat...

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Abstract

The invention discloses a processing method of a leather material, comprising the following steps of: (1) pre-processing an animal skin into a semi-finished product of the leather material with the thickness of 0.7-1.3mm; (2) cutting the semi-finished product of the leather material into a plurality of layers of skins by utilizing a leather-splitting process; (3) forming scraping pulp for a binding surface of an elastic auxiliary material according to required elasticity so that the elastic range of the formed elastic auxiliary material is identical with that of the split leather material; (4) adhering the binding surface of the split leather material and the binding surface of the elastic auxiliary material at high temperature with a substance containing natural emulsion; (5) placing theadhered leather material into water for cleaning, and washing the scraping pulp for forming in the adhering process; and (6) placing into water again and heating to 45-90 DEG C, adding a softening agent and plant protein oil in the heating process, then adding a water-washing resistant agent, and dewatering and airing. The processing method of the leather material has the advantages of favorable elasticity of the obtained leather material, water-washing resistance and simple and convenient processing procedure. The invention also discloses the leather material.

Description

technical field [0001] The invention relates to a leather treatment process, in particular to a treatment method for the obtained leather with good elasticity and washability, and the leather obtained through the treatment. Background technique [0002] In modern life, leather products are widely used in daily life, such as leather clothing and household items. In the processing of leather garments, in order to save the lining of the garments, a common practice is to apply glue on the bottom of the leather. The leather products made by this dispensing technology cannot be washed directly because the glue used in this dispensing technology is soluble in water, and the skin and cloth will separate after washing. Therefore, using this kind of leather Clothes made of non-woven fabrics are not easy to clean. [0003] In the prior art, taking sheepskin products as an example, the elasticity range of the sheepskin used for clothing manufacture in the market is 5%-8%, and the elas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C14C5/00C14B1/02C14B7/04C14C9/00
Inventor 谈国忠
Owner 谈国忠
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