Textile frost resistance test standard sample and preparation method thereof
A technology for testing standards and standard samples, which is applied in the field of textile frost resistance test standard samples and its preparation, which can solve the problems of undetectable textile frost resistance and lack of methods for textile frost resistance, and achieve short inspection cycle and stable hardness , Check the effect of easy operation
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[0033] Example 1 Standard Samples of Textile Frost Resistance Test and Preparation
[0034] 1. Experimental materials
[0035] Fabric: polyester, latitude and longitude fineness 75*100 denier, latitude 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, potassium persulfate, commercially available.
[0037] 2. Experimental method: Stiff finishing method of polyester artificial silk
[0038] First, AB-EP-20 and AB-HGA are formulated into epoxy resin finishing agent according to the mass ratio of 1:0.6, and then mixed according to the mass ratio of polyvinyl acetate: epoxy resin finishing agent of 7:1, and stir evenly , That i...
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[0051] Example 2 Optimization test of polyester stiffening finishing process
[0052] Select the prepared stiffening finishing agent 100g / l, and test the finishing process conditions to determine the best stiff finishing formula and process conditions.
[0053] 1. The influence of pre-baking temperature
[0054] The experimental conditions are as follows: rolling rate: 100%, immersion time of 1 min, two dips and two rolling, pre-baking for 3 min, and baking at 180°C for 3 min. The experimental results are shown in Table 2.
[0055] Table 2 The influence of pre-baking temperature on the stiffness of polyester
[0056]
[0057] It can be seen from Table 2 that with the increase of the pre-drying temperature, the extension length of the polyester fabric increases, but when the temperature rises to 95℃, the increase in stiffness is not obvious when the temperature continues to rise, so the pre-drying temperature of 95℃ is preferred .
[0058] 2. The influence of pre-bake time
[0059] The e...
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