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Color-developing PU leather crazy horse resin and preparation method thereof

A kind of crazy horse resin and resin technology, applied in the field of color development PU leather crazy horse resin and its preparation, can solve the problems of crease waste, decreased velvet feeling, poor color development performance of leather, etc., to eliminate white spots, Eliminate the effect of secondary fusion and prevent delamination

Inactive Publication Date: 2020-12-25
QINGYUAN BANGTAI NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The above scheme has defects: After the crazy horse hair prepared by ordinary resin is made of crazy horse hair, after the high-temperature embossing stage, the resin and crazy horse hair are fused again, and the velvet feeling decreases; Unavoidable defects such as scratches and hand prints cause waste; limited by the material of crazy horse hair itself, the color development performance of leather made of crazy horse resin is not strong, so it needs to be improved

Method used

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  • Color-developing PU leather crazy horse resin and preparation method thereof
  • Color-developing PU leather crazy horse resin and preparation method thereof
  • Color-developing PU leather crazy horse resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Crazy horse resin for color development PU leather, according to parts by weight, 60 parts of dimethylformamide, 40 parts of methyl ethyl ketone, 45 parts of 30 modulus resin, 45 parts of 50 modulus resin, 10 parts of 80 modulus resin, ethyl acetate 54 parts of ester, 21 parts of methyl ester, 24 parts of crazy horse hair, 10 parts of color changing powder, 7 parts of fumed silica, 9 parts of fluff powder, 13 parts of soybean lecithin,

[0032] The 30 modulus resin, 50 modulus resin and 80 modulus resin are mixed to form a carrier resin, the dimethyl formamide and methyl ethyl ketone are mixed to form a strong solvent, the ethyl acetate and methyl ester are mixed to form a weak solvent, and the water The content is less than 0.1%, the 80 modulus resin is a high modulus high temperature solid film resin, the fluff powder is an elastic hollow microsphere with a diameter of 12-17um, and the fumed silica is a hydrophobic fraction, which The specific surface area is 150-220m...

Embodiment 2

[0038] The difference between the color-developing PU leather crazy horse resin of Example 2 and Example 1 is that the strong solvent is 80 parts of dimethylformamide, 10 parts of cyclohexanone, and the weak solvent is; 20 parts of ethyl ester, 25 parts of methyl ester 20 parts, 20 parts of butyl ester, 40 parts of cyclohexanone, 0 parts of methyl ethyl ketone.

Embodiment 3

[0040] The difference between the color-developing PU leather crazy horse resin of Example 3 and Example 1 is: 9 parts of fluff powder, 11 parts of color changing powder, and 24 parts of crazy horse hair.

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Abstract

The invention relates to color-developing PU leather crazy horse resin and a preparation method thereof. The color-developing PU leather crazy horse resin comprises a strong solvent, a weak solvent, carrier resin, crazy horse hairs, color-changing powder, fumed silica, fluff powder and soybean lecithin, and a resin carrier comprises 30-modulus resin, 50-modulus resin and 80-modulus resin. The preparation method comprises the following steps of: (1) preparing slurry: uniformly stirring a strong solvent, a weak solvent and carrier resin to obtain the slurry; (2) preparing a semi-finished product: stirring and mixing color-changing powder, fumed silica, fluff powder and the slurry, grinding by a grinder and filtering to obtain the semi-finished product; and (3) preparing the crazy horse resin: adding soybean lecithin and crazy horse hairs into the semi-finished product in proportion to obtain the crazy horse resin. The obtained crazy horse resin has stronger color development property andstronger velvet feeling.

Description

technical field [0001] The present invention relates to a kind of technical field of PU leather resin, more specifically, it relates to a kind of color development PU leather crazy horse resin and preparation method thereof. Background technique [0002] Crazy horse leather is a kind of synthetic leather or leather style formed by leather-making technology and crazy horse resin. Crazy horse leather has a messy surface, and the genuine leather has a strong hand feel and water resistance. Compared with real leather, it has almost no difference, occupies a certain position in the high-end leather market, and is even more dominant in the leather shoes, leather bags, and sofa markets. Existing domestic market crazy horse resin all is to adopt common resin to add mixed solvent to add crazy horse hair to prepare. [0003] The above scheme has defects: After the crazy horse hair prepared by ordinary resin is made of crazy horse hair, after the high-temperature embossing stage, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L101/00C08L89/00C08K3/36C08K5/521
CPCC08L101/00C08L2205/035C08L2205/20C08L89/00C08K3/36C08K5/521
Inventor 王延冰黄望柱
Owner QINGYUAN BANGTAI NEW MATERIAL CO LTD
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