Manufacturing method of sulfinyl-based solvent type polyurethane resin artificial leather

A sulfinyl type, polyurethane resin technology, used in textiles and papermaking, liquid/gas/vapor textile processing, textile material processing, etc. Hard and other problems, to achieve the effect of small color migration, bright color and short dyeing time

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] The method for manufacturing artificial leather with thionyl-based solvent-based polyurethane resin is to use thionyl-based solvent-based polyurethane resin to prepare a coating slurry, and then apply the coating slurry to the surface of the artificial leather base cloth. The aforementioned finishing is made by dry method of release paper Technology The surface layer of sulfinyl-based solvent-based polyurethane is bonded to the wet-process semi-finished product of artificial leather, and then dyed polyurethane artificial leather is obtained through pad dyeing treatment.

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

[0021] Thionyl-based solvent-based polyurethane resin 100 parts

[0022] Dimethylformamide 100 parts

[0023] Acetone 80 parts.

Embodiment 2

[0025] The manufacturing method of thionyl-based solvent-based polyurethane resin for artificial leather is to use thionyl-based solvent-based polyurethane resin to prepare a coating slurry, and then apply the coating slurry to the surface of the artificial leather base cloth. The solvent-like polyurethane finishing slurry is applied to the surface of the semi-finished artificial leather dry process, and then the dyed polyurethane artificial leather is obtained after jigger dyeing.

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

[0027] Thionyl-based solvent-based polyurethane resin 100 parts

[0028] 80 parts of dimethylformamide

[0029] 60 parts of acetone.

Embodiment 3

[0031] The manufacturing method of thionyl-based solvent-based polyurethane resin artificial leather is to use thionyl-based solvent-based polyurethane resin to prepare a coating slurry, and then apply the finishing slurry to the surface of the artificial leather base cloth. The solvent-like polyurethane coating surface layer is coated on the surface of the semi-finished artificial leather base cloth, and then the dyed polyurethane artificial leather is obtained through air-flow dyeing treatment.

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

[0033] Thionyl-based solvent-based 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 sulfinyl-based solvent type polyurethane resin artificial leather. Coating slurry is prepared from sulfinyl-based solvent type polyurethane resin, then coats the surface of artificial leather base cloth and is dyed to obtain dyed polyurethane artificial leather. The coating slurry comprises the following components in parts by mass: 100 parts of sulfinyl-based solvent type polyurethane resin, 20 to 120 parts of dimethylformamide, and 20 to 120 parts of acetone. The sulfinyl-based solvent type polyurethane resin is used as an artificial leather surface coating material, and can be dyed with dye, and the color effect of dye coloring can be obtained after dyeing, so that the product has the characteristics of bright color, high 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 a thionyl-based solvent-based 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/00D06N3/14B32B33/00D06B3/10
CPCD06N3/00B32B33/00D06B3/10D06N3/14D06N3/142
Inventor 季建良
Owner WUXI HUALIAN PLASTIC PROD CO LTD
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