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Effect of Dip Coating Process on the Performance of Graphene/Spandex Yarn Strain Sensor

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【作者】 董小龙王婷婷胡吉永董宏强卢赟杨旭东

【Author】 DONG Xiaolong;WANG Tingting;HU Jiyong;DONG Hongqiang;LU Yun;YANG Xudong;College of Textiles,Donghua University;

【通讯作者】 胡吉永;

【机构】 College of Textiles,Donghua University

【摘要】 This study presented the effect of the concentration of graphene in the dispersion,the type of polyvinyl alcohol( PVA) and the surfactant on the sensing properties of dip-coated graphene/spandex yarns as resistance strain sensors. Experimental results showed that the addition of styrene-acrylic emulsion surfactant facilitates the dispersion of graphene and then improves the conductivity and sensing performance,and the sensitivity is up to 91. The conductivity and sensing properties of graphene/spandex yarns at 2% graphene dispersion are better than those at 1% graphene dispersion. When the conductive yarn treated by 2% graphene dispersion is stretched to 50%, the sensitivity is up to 29, the repeatability is good,and the hysteresis is low. In terms of the binding agent,PVA as a high alcoholysis and large polymerization decreases the sensitivity,repeatability as well as the hysteresis.

【基金】 Biomedical Textile Material Science and Technology,China(111 Project)(No.B07024)
  • 【分类号】TB332;TP212
  • 【下载频次】4
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