Textile frost resistance test standard sample and preparation method thereof

A technology for testing standards and standard samples, applied in the field of textile frost resistance testing standard samples and their preparation, can solve the problems of undetectable textile frost resistance, lack of methods for textile frost resistance, etc., and achieves short inspection period and stable hardness , Check the effect of easy operation

Inactive Publication Date: 2014-04-16
潘葵 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a standard sample for testing the frost resistance of textiles, which solves the problem of the lack of methods for measuring the freeze resistance of textiles in low temperature environments in the prior art and the inability of textiles to freeze in low temperature environments caused by the standard samples for testing the freeze resistance of textiles. Detection and other issues

Method used

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  • Textile frost resistance test standard sample and preparation method thereof
  • Textile frost resistance test standard sample and preparation method thereof
  • Textile frost resistance test standard sample and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1 textile frost resistance test standard sample and its preparation

[0034] 1. Experimental materials

[0035] Fabric: polyester, warp and weft fineness 75*100 denier, warp and weft density 18.5 / 32 polyester white canvas, Wujiang Sanlian Printing and Dyeing Co., Ltd.

[0036]Chemicals: methacrylamide, chemically pure, Shanghai Lingfeng Chemical Co., Ltd.; water-based epoxy resin emulsion AB-EP-20, water-based epoxy curing agent AB-HGA, Zhejiang Anbang New Material Development Co., Ltd.; polyacetic acid Vinyl ester M-430, Hangzhou Meigao Huayi Chemical Co., Ltd.; formic acid, ammonia water, potassium persulfate, commercially available.

[0037] 2. Experimental method: Stiffening finishing method of polyester imitation silk

[0038] First, AB-EP-20 and AB-HGA are made into an epoxy resin finishing agent at a mass ratio of 1:0.6, and then mixed according to a mass ratio of polyvinyl acetate:epoxy resin finishing agent at a mass ratio of 7:1, and stirred evenl...

Embodiment 2

[0051] Example 2 Optimization Test of Polyester Stiffening Finishing Process

[0052] Select the prepared stiffening agent 100g / l, and test the finishing process conditions to determine the best stiffening formula and process conditions.

[0053] 1. The influence of pre-baking temperature

[0054] The experimental conditions are as follows: Squeezing rate: 100%, immersion time 1min, two dipping and two rolling, pre-baking for 3min, baking at 180°C for 3min. The experimental results are shown in Table 2.

[0055] Table 2 Effect of pre-drying temperature on polyester stiffness

[0056]

[0057] It can be seen from Table 2 that as the pre-drying temperature increases, the extension length of the polyester fabric increases, but when the temperature rises to 95°C, the stiffness does not increase significantly when the temperature continues to rise, so the preferred pre-drying temperature is 95°C. .

[0058] 2. The influence of pre-baking time

[0059] The experimental condi...

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Abstract

The invention discloses a textile frost resistance test standard sample. The textile frost resistance test standard sample is characterized in that the textile frost resistance test standard sample is produced by utilizing hard finishing agents with different concentrations to carry out hard finishing for terylene which is taken as standard sample fabric, wherein the hard finishing agent is obtained by adding 7 parts of polyvinyl acetate into 1 part of epoxy resin finishing agent, by mass, stirring and mixing uniformly, wherein epoxy resin finishing agent is prepared from 1 part of AB-EP-20 and 0.6 part of AB-HGA, by mass; the hard finishing conditions are that the fabric is subjected to twice dipping and twice padding, mangle expression is 100%, soaking time is 1 minute, predrying is carried out at a temperature of 95 DEG C for 2 minutes, and baking is carried out at a temperature of 180 DEG C for 3 minutes; concentrations of the hard finishing agent which assists in carrying out hard finishing are 10g / l, 20g / l, 50g / L, 80g / L and 200g / L respectively. The textile frost resistance test standard sample is with permanent hardness and can be tried out as a standard sample which is used with a hand feel change degree test method at a low temperature environment.

Description

technical field [0001] The invention belongs to the technical field of low-temperature detection of textiles, and in particular relates to a standard sample for testing the frost resistance of textiles and a preparation method thereof. Background technique [0002] Textiles will harden to varying degrees when they are frozen under extremely low temperature conditions. In order to test the frost resistance of textiles in low temperature environments, it is necessary to simulate textiles in similar low temperature environments. At present, there is no standard sample model of textiles under low temperature environment. [0003] In the prior art, there are mainly two methods, subjective and objective, for evaluating the stiffness of textiles. The subjective method is the sensory evaluation method, which evaluates the stiffness of the fabric by human feeling and judges it according to the hand feel. The evaluation steps are as follows: first select a certain number of experien...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/333D06M15/55D06B3/18D06B15/00G01N1/30G01N1/44D06M101/32
Inventor 潘葵关晋平徐鑫华朱振华
Owner 潘葵
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