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一维填料补强氟橡胶的性能研究

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  • Key Words:氟橡胶;碳纳米管;钛酸钾晶须;聚酰亚胺纤维;补强

  • Abstract:分别以碳纳米管(CNT)、钛酸钾晶须(PTW)和聚酰亚胺纤维(PI)补强氟橡胶(FKM),探究了3种一维填料对氟橡胶性能的影响。结果表明,在常温或高温条件下,CNT对FKM的补强效果最优;随着用量的增大,硫化胶拉伸强度、撕裂强度、邵尔A硬度和热空气老化后的拉伸强度均增大,但压缩永久变形降低。PTW对FKM的补强效果不太理想,但PTW/FKM硫化胶压缩永久变形优异。PI对FKM的补强效果和PI/FKM硫化胶压缩永久变形均较差,但其胶料在小应变(50%以下)下的拉伸模量得到极大提高。

  • Volume:v.40;No.237

  • Issue:03

  • Translation or Not:no

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