Interface properties of carbon nanotube yarn/polyphenylene sulfid(PPS)composites

来源 :2015上海纺织服装创意创新研究生学术论坛暨第九届纺织服装创新国际论坛 | 被引量 : 0次 | 上传用户:a692039471
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  Carbon nanotube(FCNT)yarn has outstanding high-temperature stability and excellent properties.However,few studies have looked into the interfacial properties.In this article,we report a simple method that combines drafting and shrinking processes to improve the properties of carbon nanotube yarns.In this method,a yarn freshly spun from CVD method passes through a volatile solvent for shrinking with a certain tension.The average pristine FCNT yarn strength,modulus and strain to failure are 115.3MPa,4.8GPa and 25.3%,respectively.The treated yarn consists of densely packed carbon nanotubes has a tensile strength improved,and their interfacial properties in an polyphenylene sulfide(PPS)matrix,are investigated by single fiber tensile tests and microdroplet tests.The effective FCNT/PPS interfacial shear strength is 12.5 MPa.
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