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Method for preparing waterproof moisture-penetrating coated fabric

A coating fabric, waterproof and moisture-permeable technology, applied in fabrics, textiles, textiles and papermaking, etc., can solve the problems of polymer film easy to swell and deform when absorbing moisture, poor waterproof and moisture-permeable performance, poor processing reproducibility, etc., to achieve strong Tear resistance and tear fastness, comfortable and soft touch feel, good waterproof and moisture permeable effect

Inactive Publication Date: 2011-12-21
WUJIANG HENGRUN TEXTILE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coating coating is to continuously coat the polymer solution on the fabric to form a thin film on the surface of the fabric; transfer lamination is usually to coat the polymer resin on the release paper and then bond it to the base cloth; the two The waterproof and moisture-permeable fabric obtained in this way usually has high water pressure resistance and moisture permeability, but there are also disadvantages, such as the original softness of the fabric will become hard due to coating, and the polymer film will easily swell and deform when it absorbs moisture, etc.
High-density moisture-permeable waterproof fabrics use fine-density multi-filament yarns as raw materials, and can adjust the warp and weft density to the maximum limit in accordance with the performance of the loom cloth, so that the gaps between the tissues can be minimized to achieve waterproof and moisture-permeable effects. The waterproof and moisture permeability of this kind of fabric tends to deteriorate after washing, and the processing reproducibility is poor, so it cannot meet the stable quality requirements.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1), adopting the fine twill weave weaving method of 2 / 1, weaving superfine and highly elastic polyester fibers into a base fabric through a water-jet loom;

[0026] (2), make the base cloth that step (1) makes under 200 ℃, under the pressure of 392kPa, in the dye vat continuously 10 hours uninterrupted cycle coloring;

[0027] (3), wash the base cloth after step (2), then at a temperature of 100°C, under the speed condition of 30 m / min, make the washed base cloth pass through a drying tenter setting machine for drying and stretching width stereotypes;

[0028] (4), make the cloth treated by step (3) pass through the liquid tank containing the waterproof treatment liquid at a constant speed of 50 m / min, and dry the tenter at a temperature of 180 ° C to set the shape, and the waterproof treatment The liquid is composed of micromolecular waterproofing agent, softener and water in a weight ratio of 8:4:100;

[0029] (5), utilize polyurethane slurry and adopt double paddi...

Embodiment 2

[0033] (1), adopting the fine twill weave weaving method of 2 / 1, weaving superfine and highly elastic polyester fibers into a base fabric through a water-jet loom;

[0034] (2), make the base cloth that step (1) makes under 215 ℃, under the pressure of 392kPa, in the dye vat continuously 10 hours uninterrupted cycle coloring;

[0035] (3), washing the base cloth after step (2), then at a temperature of 105° C. and at a speed of 35 m / min, the washed base cloth is dried and stretched by a drying tenter setting machine width stereotypes;

[0036] (4), make the cloth treated in step (3) pass through the liquid tank containing the waterproof treatment liquid at a uniform speed of 53 m / min, and dry the tenter at a temperature of 185 ° C to set the shape. The liquid is composed of micromolecular waterproofing agent, softener and water in a weight ratio of 8:4:100;

[0037] (5), utilize polyurethane slurry and adopt double padding method, form microporous wet-process coating on the ...

Embodiment 3

[0041] (1), adopting the fine twill weave weaving method of 2 / 1, weaving superfine and highly elastic polyester fibers into a base fabric through a water-jet loom;

[0042] (2), make the base cloth that step (1) makes under 220 ℃, under the pressure of 392kPa, in dye vat continuously 10 hours uninterrupted cycle coloring;

[0043] (3), wash the base cloth after step (2), then at a temperature of 110°C, under the speed condition of 40 m / min, the washed base cloth is dried and stretched by a drying tenter setting machine width stereotypes;

[0044] (4), make the cloth treated in step (3) pass through the liquid tank containing the waterproof treatment liquid at a constant speed of 55 m / min, and dry the tenter at a temperature of 190 ° C to set the shape, and the waterproof treatment The liquid is composed of micromolecular waterproofing agent, softener and water in a weight ratio of 8:4:100;

[0045] (5), utilize polyurethane slurry and adopt double padding method, form micropor...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

The invention relates to a method for preparing a waterproof moisture-penetrating coated fabric, which comprises the following steps of: preparing a base fabric with high density by adopting superfine high-elasticity polyester fibers, performing water-proof finish on the base fabric by using a micro molecular waterproofing agent and a softening agent, and coating a polyurethane membrane of numerous micropores with apertures of between diameters of water-drop molecules and water molecules on a shell fabric by a micro porous wet coating method. Therefore, the prepared shell fabric has the advantages of high-density fabrics and micro porous coating fabrics, has the advantages of soft texture, high tear resistance and tear fastness and good waterproof moisture-penetrating function, and can well meet the requirement of the market.

Description

technical field [0001] The invention relates to a coated fabric, in particular to a method for preparing a polyurethane waterproof and moisture-permeable coated fabric. Background technique [0002] The manufacturing methods of waterproof and moisture-permeable fabrics can be divided into three methods: coating coating, transfer lamination and high-density weaving. Coating coating is to continuously coat the polymer solution on the fabric to form a thin film on the surface of the fabric; transfer lamination is usually to coat the polymer resin on the release paper and then bond it to the base cloth; the two The waterproof and moisture-permeable fabric obtained in this way usually has high water pressure resistance and moisture permeability, but there are also disadvantages, such as the original softness of the fabric will become hard due to coating, and the polymer film will easily swell and deform when it absorbs moisture. High-density moisture-permeable waterproof fabrics...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06N3/12D03D15/08D03D13/00D06M15/227D06M15/507D06M101/32D03D15/56
Inventor 张连荣王智清张华林
Owner WUJIANG HENGRUN TEXTILE FACTORY
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