| 摘要 |
The present invention relates to a SBR based dynamically vulcanized thermoplastic elastomer composition which (unlike prior compositions of this type) can be used in the pharmaceutical industry and consumer and health care industries for a variety of products such as, for example, vial stoppers, dropper bulbs, gaskets, o-rings and syringe tips. The composition is produced by dynamic vulcanization of SBR and has a dispersed phase of cross linked SBR, and a co-continuous matrix of SEBS and polypropylene.
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