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动态硫化TPU/EVM共混物的结构与性能研究

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  • Key Words:热塑性聚氨酯;;乙烯-乙酸乙烯酯橡胶;;共混物;;动态硫化

  • Abstract:采用熔融共混法制备热塑性聚氨酯(TPU)/乙烯-乙酸乙烯酯橡胶(EVM)动态硫化共混物,并对其结构与性能进行研究。结果表明,TPU/EVM共混体系实施动态硫化的最佳共混比为75/25,硫化剂BIPB用量为0.8份时共混物性能最佳,且不同共混比的TPU/EVM共混物需要的硫化剂最佳用量不同;动态硫化后的EVM以较大尺寸的相畴分散在TPU中;TPU/EVM动态硫化共混物返炼后仍具有较高的重复使用价值。

  • Volume:v.56

  • Issue:08

  • Translation or Not:no

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