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Suede hydrolysis-resistance ultrasoft protein leather and preparation method thereof

A hydrolysis-resistant and suede technology, applied in the field of synthetic leather, can solve the problems of not being hydrolysis-resistant, not soft and breathable, not wrinkle-resistant, etc., and achieve the effect of prolonging the service life and comfortable touch

Active Publication Date: 2018-12-11
FUJIAN HUAXIA SYNTHETIC LEATHER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention provides the following technical solutions for the problems of synthetic leather products in the prior art that are not soft enough, breathable, wrinkle-resistant, cold-resistant, and hydrolysis-resistant

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A suede hydrolysis-resistant ultra-soft protein leather, said protein leather is composed of a base cloth, a wet-laid base layer, and a dry-laid veneer layer;

[0019] Among them, the wet bass layer contains the following components in parts by weight: 60 parts of N,N-dimethylformamide, 100 parts of hydrolysis-resistant polyurethane resin, 5 parts of coffee powder, 2 parts of color paste, 3 parts of cell regulator, waterproof auxiliary 0.2 parts of medicine, 8 parts of bamboo fiber powder, 10 parts of konjac glucomannan, 2 parts of hydroxymethyl cellulose, and 0.5 parts of sodium pyrophosphate.

[0020] The dry veneer layer is composed of a fabric and a base material, wherein the fabric contains the following raw materials in parts by weight: 80 parts of N,N-dimethylformamide, 5 parts of color chips, 80 parts of soft polyurethane resin, gardenia 8 parts of juice, 10 parts of konjac glucomannan, 1 part of hydroxymethyl cellulose, 0.5 parts of sodium pyrophosphate, 8 part...

Embodiment 2

[0029] A suede hydrolysis-resistant supersoft protein leather, the protein leather is composed of a base cloth, a wet-laid base layer, and a dry-laid overlay layer; wherein the wet-laid base layer contains the following components by weight: N,N-dimethyl 50 parts of methyl formamide, 90 parts of hydrolysis-resistant polyurethane resin, 3 parts of coffee powder, 1 part of color paste, 1 part of cell regulator, 0.1 part of waterproof additive, 5 parts of bamboo fiber powder, 7 parts of konjac glucomannan, 1 part of hydroxymethyl cellulose, 0.5 part of sodium pyrophosphate.

[0030] The dry veneer layer is composed of a fabric and a base material, wherein the fabric contains the following raw materials in parts by weight: 70 parts of N,N-dimethylformamide, 3 parts of color chips, 70 parts of soft polyurethane resin, gardenia 5 parts of juice, 7 parts of konjac glucomannan, 1 part of hydroxymethyl cellulose, 0.5 parts of sodium pyrophosphate, 5 parts of bamboo vinegar, 3 parts of ...

Embodiment 3

[0039] A suede hydrolysis-resistant supersoft protein leather, the protein leather is composed of a base cloth, a wet-laid base layer, and a dry-laid overlay layer; wherein the wet-laid base layer contains the following components by weight: N,N-dimethyl 70 parts of methyl formamide, 120 parts of hydrolysis-resistant polyurethane resin, 6 parts of coffee powder, 3 parts of color paste, 5 parts of cell regulator, 0.3 parts of waterproof additive, 10 parts of bamboo fiber powder, 12 parts of konjac glucomannan, 2 parts of hydroxymethyl cellulose, 1 part of sodium pyrophosphate.

[0040] The dry veneer layer is composed of a fabric and a base material, wherein the fabric contains the following raw materials in parts by weight: 90 parts of N,N-dimethylformamide, 6 parts of color chips, 90 parts of soft polyurethane resin, gardenia 10 parts of juice, 12 parts of konjac glucomannan, 2 parts of hydroxymethyl cellulose, 1 part of sodium pyrophosphate, 10 parts of bamboo vinegar, 9 par...

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Abstract

The invention provides a suede hydrolysis-resistance ultrasoft protein leather and a preparation method thereof. The protein leather comprises a base fabric, a wet-method Bayes layer and a dry-methodfacing layer, wherein the wet-method Bayes layer comprises N,N-dimethylformamide, hydrolysis-resistance polyurethane resin, coffee powder, a color paste, a cell regulator, a waterproofing additive, bamboo fiber powder, konjac glucomannan, hydroxymethyl cellulose and sodium pyrophosphate. For the suede hydrolysis-resistance ultrasoft protein leather, the wet-method ultrasoft hydrolysis-resistance polyurethane resin contains a special material, is substituted with water in the solidification and washing process to form cells; and due to softness and air permeability of a product and the advantages of a suede bottom fabric, after the product is processed into clothing, the clothing is comfortable in touch, is soft, smooth, anti-crease, overhanging and stiff, has the effects of resisting hydrolysis and cold and is effectively prolonged in service life.

Description

technical field [0001] The invention belongs to the field of synthetic leather, in particular to a suede hydrolysis-resistant supersoft protein leather and a preparation method thereof. Background technique [0002] Polyurethane resin for synthetic leather is a new type of polymer material used to partially replace natural leather. With the depletion of natural resources, natural leather resources will become increasingly insufficient to meet the growing market demand. With the competition of the synthetic leather industry Intensified day by day, people have higher and higher requirements for polyurethane resin for synthetic leather, ordinary polyurethane resin can no longer meet people's requirements, and then some artificial leather synthetic leather materials have become the focus of the market. [0003] Generally, polyurethane synthetic leather products on the market have low cell density, small cells, or elongated cells because of their cell structure. The cell density ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/14D06N3/00
CPCD06N3/005D06N3/0056D06N3/0061D06N3/0063D06N3/0077D06N3/0097D06N3/145D06N2209/123D06N2209/143D06N2209/1642D06N2209/1671D06N2209/1692D06N2211/28
Inventor 胡国强胡方华沈加城姜棚王春梨
Owner FUJIAN HUAXIA SYNTHETIC LEATHER CO LTD
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