The producing methods of HMSPP were discussed, including direct polymerization, radiation grafting and cross-linking, silane grafting and cross-linking, and so on.

文章综述了制备高熔体强度聚丙烯的制备方法，主要有直接聚合法、辐射接枝交联法、硅烷接枝交联法等。

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The producing methods of HMSPP were discussed, including direct polymerization, radiation grafting and cross-linking, silane grafting and cross-linking, and so on.

通过反应挤出法对聚丙烯（PP）进行硅烷接枝交联改性获得高熔体强度PP（HMSPP），并对HMSPP的发泡性能及影响因素进行了研究。

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