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METHOD OF MAKING THERMOPLASTIC VULCANIZATES AND THERMOPLASTIC VULCANIZATES MADE THEREFROM
METHOD OF MAKING THERMOPLASTIC VULCANIZATES AND THERMOPLASTIC VULCANIZATES MADE THEREFROM
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机译:制备热塑性硫化橡胶和热塑性硫化橡胶的方法
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摘要
The present disclosure relates to a method for making thermoplastic vulcanizates comprising dynamically vulcanizing an elastomer in an extrusion reactor with a curative in the presence of a thermoplastic resin to form a thermoplastic vulcanizate. Process oil is added to the extrusion reactor at a first, second, and third location, where the amount of process oil introduced at the first oil injection location is less than that introduced at the second oil injection location, where the third oil injection location is downstream of where the curative is introduced to the extrusion reactor, and where the thermoplastic vulcanizate comprises at least 25 wt % of oil based on the weight of the thermoplastic vulcanizate.
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