JOURNAL OF TEXTILE RESEARCH ›› 2018, Vol. 39 ›› Issue (06): 70-74.doi: 10.13475/j.fzxb.20170608005
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Abstract:
Aiming at the problems of unreasonable temperature and humidity setting in the weaving workshop of textile mills, high warp and weft stops and low weaving efficiency, the relationships between temperature /relative humidity and mechanical properties of polyester /cotton 65/35 sized yarn were studied. The breaking strength and abrasion resistance of the sized yarn were tested, and the influence law of the temerature and humidity on the breaking strength and abrasion resistance of the sized yarn were analyzed. The non parametric hypothesis test was applied to prove the experimental results. The results show that temperature and humidity have no significant influence on the breading strength of sized yarn, and have significant influence on the wear resistance of the sized yarn. when the polyester / cotton 65/35 sized yarn under conditions of temperature of 22℃ and relative humidity of 78%, the sized yarn is the best in breaking strength and abrasion resistance, the sized polyester cotton yarn has better mechanical properties under the condition of low temperature and high humidity than that of high temperature and humidity. The stress yield point change and the crystallinity degree of the polyester / cotton 65/35 sized yarn are not remarkable under different humidities, explaining the reason why the temperature and humidity bave less influence on the breaking strength.
Key words: temperature and humidity, polyester/cotton yarn, sized yarn, mechanical property
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URL: http://www.fzxb.org.cn/EN/10.13475/j.fzxb.20170608005
http://www.fzxb.org.cn/EN/Y2018/V39/I06/70
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