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Zinc salts of certain mercapto compounds and sterically hindered phenols in olefin polymer-based thermoplastic elastomers to improve thermal aging
Zinc salts of certain mercapto compounds and sterically hindered phenols in olefin polymer-based thermoplastic elastomers to improve thermal aging
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机译:烯烃聚合物基热塑性弹性体中某些巯基化合物的锌盐和位阻酚,以改善热老化
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摘要
Disclosed is an olefin polymer-based thermoplastic elastomer comprising a propylene polymer material, an amorphous olefin copolymer rubber, and optionally a semicrystalline, essentially linear ethylene-C3-4 alpha-olefin copolymer, having incorporated therein zinc salts of certain mercapto compounds and sterically hindered di-tertiary butyl phenol compounds. The compositions exhibit good retention of properties at elevated temperatures.
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