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TPU/EVM动态硫化共混物的流变性能

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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;;流变性能

  • 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,并研究其流变性能。结果表明,未硫化共混物熔体的表观粘度(ηa)随着温度的升高而减小;动态硫化前后熔体的ηa均随着剪切速率的增大而减小,熔体属于假塑性流体;共混物熔体的ηa随着TPU用量的增大而减小,假塑性变弱。

  • Volume:v.56

  • Issue:04

  • Translation or Not:no

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