Preparation of phase change temperature regulating core-spun yarn and its performance analysis
In order to obtain temperature regulating textiles with excellent temperature regulation function and washing resistance,a temperature regulating yam is developed by utilizing the excellent temperature regulation performance of phase change microcapsules and the special skin core structure of core-spun yarns.Firstly,the polyester filament core yarn is modified and pretreated,and then used as a temperature regulating functional carrier for phase change microcapsule impregnation finishing.Finally,the phase change temperature regulating core yarn is prepared by wrapping it with cotton fibers.The performance test results show that the designed friction roughening treatment can effectively improve the bonding performance of the surface of polyester filament,so that it can carry more phase change microcapsules,and the loading rate of fabric phase change microcapsules is 45.7％higher than that of unmodified polyester filament.Compared with the direct impregnation and finishing of core yarn,the phase change temperature adjustment core yarn fabric with core yarn impregnation finishing has a longer temperature adjustment time and a higher weight retention rate after 10 washes.
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