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EVM与TPU共混物的性能研究

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  • Key Words:共混;;热塑性弹性体;;TPU;;EVM

  • Abstract:将两种TPU(聚酯型和聚醚型)和两种EVM(不同VA含量)按不同比例交叉进行共混,考察共混物的力学性能、耐热性能和阻燃性能。结果表明,EVM/TPU共混物中,随着TPU组分的增多,共混物的硬度、拉伸强度、100%定伸应力、撕裂强度逐渐增大,而断裂伸长率降低;共混物经老化后,断裂伸长率降低,而其它性能提高,且EVM/TPU质量比为50/50时,耐老化性能最差;共混物在未加任何阻燃剂的情况下,属于难燃材料,其中纯EVM700阻燃性最好。

  • Volume:

  • Issue:04

  • Translation or Not:no

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