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Method for testing water repellency of wool yarns

A testing method and wool yarn technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of increasing enterprise costs, affecting product quality, unable to judge the water repellency effect of yarns, etc., achieving low labor intensity and operation. simple effect

Inactive Publication Date: 2014-11-19
ZHEJIANG XINAO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no matter whether it is yarn or wool yarn, there is no water-repellent test method. Enterprises suffer from being unable to judge whether the yarn has a water-repellent effect. The processing technology will increase the cost of the enterprise. At the same time, this post-processing technology will greatly change the feel and appearance of the yarn, which will affect the product quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The present invention will be further elaborated below.

[0015] Preparatory work, the conditions and tools that need to be prepared include a 1000ml beaker, boiling water, cold water, a thermometer, a stopwatch, yarn, and the yarn needs to be placed under standard constant temperature and humidity conditions for 24 hours to balance the moisture absorption of the yarn , Pour 100°C water into the beaker, then add cold water to adjust, test with a thermometer, make the water temperature reach 50°C; take a yarn about 30cm long, cut it into a length of about 5mm; put the yarn into six rows Finally, put it into the beaker, and press the stopwatch to start timing at the same time. Note that the yarn cannot be attached to the inner wall of the beaker when putting it in, so as to prevent inaccurate test results; when the yarn is completely submerged, stop timing; record the time on the stopwatch Time: Repeat the above operation at least 10 times, and take the average value of t...

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PUM

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Abstract

The invention discloses a method for detecting performance indexes of yarns, particularly relates to a method for testing the water repellency of wool yarns and aims to overcome the defects in the prior art and provides the method for quickly and effectively testing the water repellency of the wool yarns. The method comprises the following steps: pre-treating the yarns to be measured, putting the yarns into a beaker in parallel, simultaneously pressing a stopwatch to time and paying attention to that the yarns cannot be attached onto the inner wall of the beaker when being put into the beaker so as to prevent inaccurate test results; stopping timing when the yarns are completely immersed and recording time on the stopwatch; repeating the operations for at least 10 times and taking average time as the water repellent time of the yarns. The method has the characteristics of good simplicity in operation, low labor intensity and the like.

Description

technical field [0001] The invention relates to a detection method of performance index of yarn, especially a method for testing the water-repellent performance of wool yarn. technical background [0002] In actual production, water-repellent clothes are used a lot, but the water-repellent effect of yarn affects the water-repellent effect of clothes. Clothes woven with water-repellent yarn will have water-repellent effect without other treatment. As a result, it saves the water-repellent treatment of the final garment, which saves the cost for the production enterprise. However, no matter whether it is yarn or wool yarn, there is no water-repellent test method. Enterprises suffer from being unable to judge whether the yarn has a water-repellent effect. The processing technology will increase the cost of the enterprise. At the same time, this post-processing technology will greatly change the feel and appearance of the yarn, which will affect the product quality. The water-...

Claims

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Application Information

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IPC IPC(8): G01N13/00
Inventor 周建恒陆卫国
Owner ZHEJIANG XINAO