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Zinc-salts of certain mercapto compound and hindered phenols in olefin polymer based thermoplastic elastomers for improved heat aging
Zinc-salts of certain mercapto compound and hindered phenols in olefin polymer based thermoplastic elastomers for improved heat aging
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机译:某些巯基化合物的锌盐和受阻酚在烯烃聚合物基热塑性弹性体中的作用是改善热老化
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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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