A processing method of fluorine-free hydrostatic pressure durable waterproof pure cotton canvas

A hydrostatic pressure-resistant, fluorine-free waterproof technology, applied in the textile industry, can solve the problem of unclear migration process, and achieve the effect of eliminating the baking process, eliminating the baking process, and having good air permeability.

Active Publication Date: 2018-06-29
HEBEI NINGFANG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

PFOS exists in groundwater, surface water and seawater surveyed all over the world (including the Arctic region), as well as in wild animals and humans, but its migration process is still unclear

Method used

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  • A processing method of fluorine-free hydrostatic pressure durable waterproof pure cotton canvas
  • A processing method of fluorine-free hydrostatic pressure durable waterproof pure cotton canvas
  • A processing method of fluorine-free hydrostatic pressure durable waterproof pure cotton canvas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Example 1: Preparation of 21 / 2×21 / 2 72×45 57 / 58 pure cotton canvas

[0045] (1) First, the gray cloth is subjected to blank inspection, seam turning, and singeing;

[0046] (2), cold pile - short steam washing:

[0047] The cold stack formula is: refining agent FORYL MAG 10g / L, 27.5% industrial grade hydrogen peroxide 20g / L, 100% industrial grade caustic soda 30g / L, the stacking temperature is 35°C, and the stacking time is 4 hours;

[0048] The short steam washing process is as follows: vehicle speed 35m / min, excess rolling rate 70%, steaming temperature 90°C, washing tank temperature 80°C, and the rolling tank material formula is refining agent FORYL MAG 3g / L, 100% industrial grade caustic soda 20g / L;

[0049] (3), mercerizing treatment: arrange the blank after cold stacking-short steaming and washing in a mercerizing machine equipped with a flat washing tank, control the speed of the vehicle at 45m / min, the concentration of caustic soda 250g / L, and the chelating d...

Embodiment 2

[0056] Example 2: Preparation of 21 / 2×10 72×45 57 / 58 pure cotton canvas

[0057] (1) First, the gray cloth is subjected to blank inspection, seam turning, and singeing;

[0058] (2), cold pile - short steam washing:

[0059] The cold stack formula is: refining agent FORYL MAG 20g / L, 27.5% industrial grade hydrogen peroxide 30g / L, 100% industrial grade caustic soda 50g / L, the stacking temperature is 45°C, and the stacking time is 10 hours;

[0060] The short steam washing process is as follows: vehicle speed 60m / min, rolling rate 90%, steaming temperature 101°C, washing tank temperature 90°C, and the rolling tank material formula is refining agent FORYL MAG 5g / L, 100% industrial grade caustic soda 35g / L;

[0061] (3), mercerizing treatment: arrange the base after cold stacking-short steaming and washing in a mercerizing machine equipped with a flat washing tank, control the speed of the vehicle at 60m / min, the concentration of caustic soda 260g / L, and the chelating dispersan...

Embodiment 3

[0069] (1) First, the gray cloth is subjected to blank inspection, seam turning, and singeing;

[0070] (2), cold pile - short steam washing:

[0071] The cold stack formula is: refining agent FORYL MAG 15g / L, 27.5% industrial grade hydrogen peroxide 25g / L, 100% industrial grade caustic soda 35g / L, the stacking temperature is 38°C, and the stacking time is 6 hours;

[0072] The short steam washing process is as follows: vehicle speed 45m / min, excess rolling rate 88%, steaming temperature 100°C, washing tank temperature 86°C, the rolling tank material formula is refining agent FORYL MAG 5g / L, 100% industrial grade caustic soda 28g / L;

[0073] (3), mercerizing treatment: arrange the base after cold stacking-short steam washing in a mercerizing machine equipped with a flat washing tank, control the speed of the vehicle at 55m / min, the concentration of caustic soda 260g / L, and the chelating dispersant of 0.7g / L , Soda soaking time is 42s, recovered alkalinity is 49g / L, flat was...

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Abstract

Provided is a method for processing fluoride-free hydrostatic-pressure-resisting durable waterproof pure cotton canvas. According to the method, pure cotton gray fabric is adopted, and the fluoride-free hydrostatic-pressure-resisting durable waterproof pure cotton canvas is obtained after fabric detection, seam turning, singeing, cold batching-short steaming washing, dyeing, full-width washing, tentering, fluoride-free waterproof treatment and preshrinking. According to operation of fluoride-free waterproof finishing, fluoride-free waterproof finishing liquid is prepared firstly, and is formed by blending 180 g / L to 240 g / L of a fluoride-free water-proofing agent RSH-NF, 18 g / L to 24 g / L of synergist and 0.3 g / L to 1.0 g / L of acetic acid; then, the gray fabric is soaked and rolled with the fluoride-free waterproof finishing liquid, and the rolling-over rate ranges from 60% to 70%; then, baking is carried out at the temperature of 110 DEG C to 130 DEG C. The processed fabric has the high hydrostatic-pressure-resisting effect and the lasting waterproof effect.

Description

technical field [0001] The invention belongs to the technical field of the textile industry and relates to a processing method for cotton and polyester-cotton fabrics, in particular to a processing method for a fluorine-free hydrostatic pressure-resistant and durable waterproof pure cotton canvas. Background technique [0002] The water resistance of tight fabrics (such as canvas, tent cloth, rainproof clothing, oilcloth, coated cloth, etc.) is an extremely important characteristic index of rainproof fabrics. To meet resistance, ISO 811-1981 or GB / T 4744-1997 Determination of Water Resistance of Textiles - Hydrostatic Pressure Test Method is widely used in international trade, as well as test methods such as American AATCC21-2001 and German DIN 53886. [0003] At present, the production methods of hydrostatic pressure-resistant fabrics in the market are mostly coating method and organic fluorine finishing, or the composite finishing method of coating + organic fluorine. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/37D06M13/188D06M11/38D06M11/50D06P5/02D06M101/04
CPCD06M11/38D06M11/50D06M13/188D06M15/37D06M2101/04D06P5/02
Inventor 刘瑞宁赵冰唐立尚维欣杨现华王友明侯立山
Owner HEBEI NINGFANG GRP
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