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Being the qualification null thermoplasticity vulcanized rubber constituent of the thermoplasticity vulcanized rubber which
Being the qualification null thermoplasticity vulcanized rubber constituent of the thermoplasticity vulcanized rubber which
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机译:作为合格的热塑性硫化橡胶的组成成分,其中
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Random propylene thermoplastic copolymers can be used to increase the elongation to break and toughness of thermoplastic vulcanizates. Semi-crystalline polypropylene is a preferred thermoplastic phase. The rubber can be olefinic rubbers. Random thermoplastic polypropylene copolymers are different from conventional Ziegler-Natta propylene copolymers as the compositional heterogeneity of the copolymer is greater with Ziegler-Natta copolymers. This difference results in substantial differences in properties (elongation to break and toughness) between thermoplastic vulcanizates modified with random thermoplastic propylene copolymers and those modified with conventional Ziegler-Natta propylene copolymers. An increase in elongation to break results in greater extensibility in the articles made from a thermoplastic vulcanizate.
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