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Dynamic vulcanization process for preparing thermoplastic elastomers
Dynamic vulcanization process for preparing thermoplastic elastomers
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机译:用于制备热塑性弹性体的动态硫化工艺
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摘要
Described in one aspect is a process for preparing a low durometer thermoplastic vulcanizate composition comprising melt blending one or more thermoplastic polymer(s) with a cross-linkable elastomer under conditions of dynamic vulcanization; adding at or after the start of the melt blending at least one curative agent for the elastomer so as to cross-link the elastomer during the melt blending; introducing process oil into the melt blending before, during and/or after the addition of the curative agent; and, extruding a fully crosslinked thermoplastic vulcanizate having a Shore A Hardness of less than 25.
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