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公开(公告)号：US10808112B2
公开(公告)日：2020-10-20
申请号：US16179042
申请日：2018-11-02
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Yi Ping Ni , Thomas Cugnon , Xin Chen , Yinjie Zhang , Saifudin M. Abubakar , Willy J. J. Leysen , Tie Y. Ye , Yijin Zhang
Abstract: The present invention is related to a composition with about 80 wt % to about 95 wt % of a polymer blend, wherein the polymer blend comprises (a) about 3 wt % to about 25 wt % of a first propylene-based elastomer based on the polymer blend, and (b) about 75 wt % to about 97 wt % of a second propylene-based elastomer based on the polymer blend; and about 5 wt % to about 20 wt % of an ethylene-based polymer; wherein the first propylene-based elastomer and the second propylene-based elastomer each comprise the following: propylene and from about 2 to about 25 wt % units derived from one or more C2 or C4-C12 alpha-olefins; triad tacticity greater than about 90% and a heat of fusion less than about 75 J; and wherein the first propylene-based elastomer is different from the second propylene-based elastomer.
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公开(公告)号：US20190185649A1
公开(公告)日：2019-06-20
申请号：US16179042
申请日：2018-11-02
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Yi Ping Ni , Thomas Cugnon , Xin Chen , Yinjie Zhang , Saifudin M. Abubakar , Willy J. J. Leysen , Tie Y. Ye , Yijin Zhang
Abstract: The present invention is related to a composition with about 80 wt % to about 95 wt % of a polymer blend, wherein the polymer blend comprises (a) about 3 wt % to about 25 wt % of a first propylene-based elastomer based on the polymer blend, and (b) about 75 wt % to about 97 wt % of a second propylene-based elastomer based on the polymer blend; and about 5 wt % to about 20 wt % of an ethylene-based polymer; wherein the first propylene-based elastomer and the second propylene-based elastomer each comprise the following: propylene and from about 2 to about 25 wt % units derived from one or more C2 or C4-C12 alpha-olefins; triad tacticity greater than about 90% and a heat of fusion less than about 75 J; and wherein the first propylene-based elastomer is different from the second propylene-based elastomer.
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