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    • 28. 发明授权
    • &agr;-olefin/vinyl or vinylidene aromatic interpolymer product and process for making same using multiple catalyst systems
    • α-烯烃/乙烯基或亚乙烯基芳族互聚物产物和使用多种催化剂体系制备相同方法
    • US06552148B1
    • 2003-04-22
    • US09506422
    • 2000-02-17
    • Yunwa W. CheungMartin J. GuestRobert K. RosenBrian W. Kolthammer
    • Yunwa W. CheungMartin J. GuestRobert K. RosenBrian W. Kolthammer
    • C08F21204
    • C08F210/02C08F4/65912C08F4/6592C08F10/00C08F210/00C08F4/65904C08F212/04C08F2500/04
    • The present invention relates to a thermoplastic interpolymer product comprising an &agr;-olefin interpolymerized with at least one vinyl or vinylidene aromatic monomer and/or at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene aromatic monomer and, in at least one aspect, is characterized as having substantially synergistic thermal properties. The invention also relates to a process for manufacturing the interpolymer product wherein the process employs two or more single site or metallocene catalyst systems in at least one reaction environment and wherein at least two of the catalyst systems have (a) different monomer incorporation capabilities or reactivities and (b) the same or, optionally, different monomer sequencing and/or tacticity characteristics. With unique thermal property attributes, the interpolymer product is useful, for example, for impact, bitumen and asphalt modification, adhesives, dispersions or latexes and fabricated articles such as, but not limited to, foams, films, sheet, moldings, thermoforms, profiles and fibers.
    • 本发明涉及包含与至少一种乙烯基或亚乙烯基芳族单体和/或至少一种受阻的脂族或脂环族乙烯基或亚乙烯基芳族单体共聚的α-烯烃的热塑性共聚体产物,并且在至少一个方面,其特征在于 具有基本上协同的热性能。 本发明还涉及制备互聚物产物的方法,其中该方法在至少一个反应环境中使用两个或多个单个位点或茂金属催化剂体系,并且其中至少两个催化剂体系具有(a)不同的单体掺入能力或反应性 和(b)相同或任选不同的单体测序和/或立体特征。 具有独特的热性质属性,互聚物产品可用于例如冲击,沥青和沥青改性,粘合剂,分散体或胶乳和制造的制品,例如但不限于泡沫,薄膜,片材,模制品,热成型体,型材 和纤维。