Manufacturing method of amino solvent-type polyurethane resin artificial leather

A technology of polyurethane resin and manufacturing method, applied in the direction of polyurea/polyurethane coatings, textiles and papermaking, coatings, etc. Vibrant, low color migration, low cost effect

Inactive Publication Date: 2017-05-31
WUXI HUALIAN PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Coloring substances such as dyes are combined to give different colors to the finished leather, but the coloring of the coating feels hard, and once the coloring formula is determined, the coating presents a single color, the gloss and color are monotonous, and there is no layering such as depth, light and shade, new and old.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Amino solvent-based polyurethane resin artificial leather manufacturing method is to use amino solvent-based polyurethane resin to configure the finishing slurry, and then coat the finishing slurry on the surface of the artificial leather base cloth. The solvent-based polyurethane surface layer is attached to the wet-process semi-finished artificial leather, and then dyed polyurethane artificial leather is obtained through pad dyeing treatment.

[0020] Finishing paste comprises the following components by mass:

[0021] Amino solvent type polyurethane resin 100 parts

[0022] Dimethylformamide 100 parts

[0023] Acetone 80 parts.

Embodiment 2

[0025] The amino solvent-based polyurethane resin artificial leather manufacturing method is to use the amino solvent-based polyurethane resin to configure the finishing slurry, and then coat the finishing slurry on the surface of the artificial leather base cloth. The dyed polyurethane artificial leather is obtained by coating the surface of the dry-process semi-finished artificial leather with material, and then undergoing jigger dyeing.

[0026] Finishing paste comprises the following components by mass:

[0027] Amino solvent type polyurethane resin 100 parts

[0028] 80 parts of dimethylformamide

[0029] 60 parts of acetone.

Embodiment 3

[0031] The amino solvent-based polyurethane resin artificial leather manufacturing method is to use the amino solvent-based polyurethane resin to configure the finishing slurry, and then coat the finishing slurry on the surface of the artificial leather base cloth. A layer is coated on the surface of the semi-finished artificial leather base cloth, and then dyed polyurethane artificial leather is obtained through air-flow dyeing treatment.

[0032] Finishing paste comprises the following components by mass:

[0033] Amino solvent type polyurethane resin 100 parts

[0034] 80 parts of dimethylformamide

[0035] Acetone 100 parts.

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PUM

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Abstract

The invention relates to a manufacturing method of amino solvent-type polyurethane resin artificial leather, comprising the following steps: using amino solvent-type polyurethane resin to prepare coating slurry, coating the surface of an artificial leather substrate with the coating slurry, and carrying out dyeing treatment so as to obtain dyed polyurethane artificial leather. The coating slurry contains the following components (by weight): 100 parts of amino solvent-type polyurethane resin, 20-120 parts of dimethyl formamide and 20-120 parts of acetone. The amino solvent-type polyurethane resin which is used as an artificial leather surface coating material can undergo dyeing processing by the use of dye, and after the dyeing treatment, dyeing color effect can be achieved. Therefore, the product has characteristics of brilliant color, good coating permeability, high surface color fastness and low color transfer performance.

Description

technical field [0001] The invention belongs to the technical field of polyurethane resin artificial leather preparation methods, and in particular relates to a method for manufacturing an amino-based solvent-type polyurethane resin artificial leather that is easy to dye. Background technique [0002] The artificial leather with dye coloring effect on the surface is bright in color and high in transparency. It is popular in fashion products such as bags and women’s shoes. However, traditional synthetic leather is usually colored by pigment, which cannot achieve the effect of dye coloring. Although it can The manufacturing method of adding dye water coloring agent to the coating material is used to obtain the dye coloring effect, but this manufacturing method will bring serious color migration, poor color fastness, high cost and other problems, which restrict the use of the product. [0003] In the traditional synthetic leather manufacturing process, it is necessary to add co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/14D06N3/00C09D175/04
CPCD06N3/14C09D175/04D06N3/0088D06N3/0097D06N2209/083D06N2211/28
Inventor 季建良
Owner WUXI HUALIAN PLASTIC PROD CO LTD
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