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    • 7. 发明公开
    • 올레핀 중합용 촉매계
    • 用于烯烃聚合的催化剂体系
    • KR1020060118564A
    • 2006-11-23
    • KR1020067012524
    • 2004-12-22
    • 바젤 폴리올레핀 게엠베하
    • 미한,샤람
    • C08F4/659C08F4/6592C08F4/00C08F10/00
    • C08F10/00C08F4/6392C08F4/65908C08F4/65912C08F4/65916C08F4/65927C08F110/02C08F2420/02C08F4/025C08F4/69224C08F2500/17C08F2500/10C08F4/7042
    • The present invention relates to a catalyst system for olefin polymerization comprising an organic transition metal compound and, as cocatalyst, an ionic compound made up of anions of the formula (la), Where the radicals R1 are identical or different and are each, independently of one another, a radical R2R3(CF3)2, R2 is a carbon or silicon atom and R3 is hydrogen, C1-C 20-alkyl, C1-C20-fluoroalkyl, C6-C 20-aryl, C6-C20-fluoroaryl, C7-C 40-arylalkyl, C7-C40-fluoroarylalkyl, C7- C40-alkylaryl, C7-C40-fluoroalkylaryl or an SiR43 group, where R4 may be identical or different and is each C 1-C20-alkyl, C1-C20-fluoroalkyl, C6-C20-aryl, C6-C20fluoroaryl, C7 -C40-arylalkyl, C7-C40-fluoroarylalkyl, C 7-C40-alkylaryl or C7-C40-fluoroalkylaryl, and Lewis-acid cations or Bronsted acids as cations. In addition, the invention relates to the process for preparing such a catalyst system and to a process for the polymerization of olefins in which this catalyst system is used.
    • 本发明涉及一种用于烯烃聚合的催化剂体系,其包括有机过渡金属化合物和作为助催化剂的由式(Ia)的阴离子组成的离子化合物,其中基团R 1相同或不同并且各自独立地为 另一方面,基团R 2 R 3(CF 3)2,R 2是碳原子或硅原子,R 3是氢,C 1 -C 20烷基,C 1 -C 20氟代烷基,C 6 -C 20 - 芳基,C 6 -C 20 - 氟代芳基,C 7 -C 40 - 芳烷基,C 7 -C 40 - 氟芳基烷基,C 7 -C 40 - 烷基芳基,C 7 -C 40 - 氟烷基芳基或SiR 43基团,其中R 4可以相同或不同,并且各自为C 1 -C 20烷基,C 1 -C 20 - 氟代烷基 ,C 6 -C 20芳基,C 6 -C 20氟芳基,C 7 -C 40 - 芳基烷基,C 7 -C 40 - 氟芳基烷基,C 7 -C 40 - 烷基芳基或C 7 -C 40 - 氟烷基芳基,和路易斯酸阳离子或布朗斯台德酸作为阳离子。 此外,本发明涉及制备这种催化剂体系的方法以及使用该催化剂体系的烯烃聚合方法。