Finishing method of durable flame-retardant, moisture-permeable, single-absorption and single-sided waterproof fabric

A durable flame retardant and fabric technology, applied in textiles and papermaking, etc., can solve the problems of interference index, lower moisture absorption function of the inner layer, single function, etc., to improve antistatic and softness, comprehensive wear performance improvement, breathability Good moisture permeability

Active Publication Date: 2021-04-27
DANDONG UNIK TEXTILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention improves the single function of the existing fabric, so that it has a certain effect of internal absorption and external defense, but the performance index that can be achieved is not mentioned in the article
The soaking time of this process is long and the production efficiency is low, and because the hydrophilic finishing is done first, the fabric will have strong water absorption, which will affect the waterproof effect of one side, and the two functions will interfere with each other.
[0008] Patent CN200710023692.1 discloses a "Special Protective Clothing for Flame Retardant Moisture Absorption and Perspiration and Strong Acid and Alkali Resistance". Anti-acid and alkali finishing, because the anti-acid and alkali finishing has strong water repellency, it is coated on the surface of the fiber, so the moisture absorption function of the inner layer will be significantly reduced

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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  • Finishing method of durable flame-retardant, moisture-permeable, single-absorption and single-sided waterproof fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Base fabric: Aramid fabric, density 78*50 / inch, weight 250g / m 2 ;

[0052] (1) hot rolling treatment

[0053] The front of the fabric is subjected to high-temperature and high-pressure hot rolling, with a pressure of 12MPa, a temperature of 140°C, and a speed of 17m / min to obtain a flat and smooth fiber surface;

[0054] (2) Waterproof coating

[0055] (2-1) Preparation of waterproof coating glue

[0056] Polyacrylic thickener 1.7 parts

[0057] 6 parts of toluene

[0058] 77 parts of water

[0059] Hydrocarbon polymer structure fluorine-free waterproofing agent 12 parts

[0060] Blocked isocyanate synergist 2.5 parts

[0061] Polyurethane associative thickening and leveling agent 0.3 parts

[0062] The above raw materials are mixed and stirred evenly in order to obtain a waterproof coating glue with a viscosity of 1700mPa.s;

[0063] (2-2) Coating treatment

[0064] Use the waterproof coating glue prepared in step (2-1) to coat the front surface of the hot-ro...

Embodiment 2

[0076] Base fabric: aramid fabric, density 92*52 / inch, weight 200g / m 2 ;

[0077] (1) hot rolling treatment

[0078] The front of the fabric is subjected to high-temperature and high-pressure hot rolling, with a pressure of 9MPa, a temperature of 145°C, and a speed of 15m / min to obtain a flat and smooth fiber surface;

[0079] (2) Waterproof coating

[0080] (2-1) Preparation of waterproof coating glue

[0081] Polyacrylic thickener 1.8 parts

[0082] 6 parts of toluene

[0083] 78 parts of water

[0084] Hydrocarbon polymer structure fluorine-free waterproofing agent 11 parts

[0085] Blocked isocyanate synergist 2.3 parts

[0086] Polyurethane associative thickening and leveling agent 0.4 parts

[0087] The above raw materials are mixed and stirred evenly in order to obtain a waterproof coating glue with a viscosity of 1830mPa.s;

[0088] (2-2) Coating treatment

[0089] Use the waterproof coating glue prepared in step (2-1) to coat the front surface of the hot-rol...

Embodiment 3

[0101] Base fabric: aramid-viscose blended fabric, double-layer structure (aramid on the front, aramid and flame-retardant viscose blend on the back), density 100*97 pieces / inch, weight 200g / m 2 ;

[0102] (1) hot rolling treatment

[0103] The front of the fabric is subjected to high-temperature and high-pressure hot rolling, with a pressure of 12MPa, a temperature of 150°C, and a speed of 15m / min to obtain a flat and smooth fiber surface;

[0104] (2) Waterproof coating

[0105] (2-1) Preparation of waterproof coating glue

[0106] 2 parts polyacrylic thickener

[0107] 6 parts of toluene

[0108] 80 parts of water

[0109] Hydrocarbon polymer structure fluorine-free waterproofing agent 10 parts

[0110] Blocked isocyanate synergist 2 parts

[0111] Polyurethane associative thickening and leveling agent 0.3 parts

[0112] The above raw materials are mixed and stirred evenly in order to obtain a waterproof coating glue with a viscosity of 2000mPa.s;

[0113] (2-2) Co...

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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Abstract

The invention discloses a finishing method of a durable flame-retardant, moisture-permeable, single-absorption and single-sided waterproof fabric. The finishing method is characterized by comprising the following steps of (1) carrying out hot rolling on the front surfaces of aramid fibers and blended fabrics thereof; (2) carrying out coating treatment on the front surface of the fabric by using a waterproof coating adhesive prepared from 1.7-2 parts of a polyacrylic acid thickener, 6 parts of methylbenzene, 77-80 parts of water, 10-12 parts of a hydrocarbon polymer structure fluoride-free waterproof agent, 2-2.5 parts of a blocked isocyanate synergist and 0.3-0.4 part of a polyurethane associative thickening leveling agent, and (3) performing coating treatment on the back surface of the fabric by using a moisture absorption coating adhesive prepared from 1.7-2 parts of a polyacrylic acid thickener, 6 parts of methylbenzene, 84-87 parts of water, 5-7 parts of a polyurethane hydrophilic finishing agent and 0.3-0.4 part of a polyurethane associative thickening leveling agent. The finished fabric has excellent flame retardancy and moisture penetrability, has single-sided waterproofness and single-sided moisture absorption quick-drying property, and is good in washability, breathable, soft, comfortable to wear and convenient to produce and operate.

Description

technical field [0001] The invention relates to fabric finishing technology, which belongs to textile functional finishing technology. The fabric after finishing has excellent flame retardancy and moisture permeability, and has single-absorption (moisture absorption and quick-drying on one side) function and single-proof (one-side waterproof) function. , and good washability, breathable, soft, comfortable to take. Background technique [0002] General-purpose protective clothing fabrics need to have sufficient tensile strength, tear resistance, abrasion resistance, weather resistance, moisture absorption and quick-drying, softness and other functions, and special protective clothing fabrics must also be waterproof or flame-retardant, Antistatic, anti-radiation and other functions to meet the needs of special industries. [0003] Water repellency is the characteristic of fabrics that are not easily wetted by water. The surface of the fiber is hydrophobic; however, it cannot ...

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 Applications(China)
IPC IPC(8): D06N3/00D06N3/14D06N3/18
CPCD06N3/0034D06N3/0077D06N3/183D06N3/0061D06N3/0059D06N3/142D06N3/145D06N2209/067D06N2209/126D06N2209/128D06N2209/046
Inventor 王云秀张迎春杨青任亚坤陈丽颖葛川王世涛
Owner DANDONG UNIK TEXTILE
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