中文

橡胶型乙烯-醋酸乙烯酯共聚物与热塑性聚氨酯弹性体共混物耐油性能研究

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  • Key Words:EVM;;TPU;;共混;;耐油

  • Abstract:将2种乙烯-醋酸乙烯酯共聚物(EVM400,EVM700)和2种热塑性聚氨酯弹性体(聚酯型TPU385E和聚醚型TPU8685)按不同并用比进行交叉共混,考察了共混体系的耐油性能。结果表明,3#标准油较1#标准油对EVM/TPU共混胶性能影响大,且VA含量低的EVM400共混胶比VA含量高的EVM700共混胶受3#标准油的影响大;EVM700/TPU385E共混胶具有最好的耐油性;EVM/TPU共混胶并用比为50/50时,浸油前后性能变化最大,即耐油性最差。

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