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    • 81. 发明授权
    • Components and catalysts for the polymerization of olefins
    • 用于烯烃聚合的组分和催化剂
    • US6143684A
    • 2000-11-07
    • US146368
    • 1998-09-03
    • Giampiero MoriniYuri V. GulevichGiulio Balbontin
    • Giampiero MoriniYuri V. GulevichGiulio Balbontin
    • C08F4/654C08F4/02C08F4/64C08F4/651C08F4/658C08F10/00B01J31/00B01J37/00C08F4/60
    • C08F10/00
    • The invention relates to solid catalyst components for the polymerization of olefins CH.sub.2 .dbd.CHR, in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Ti, Mg, halogen and an electron donor compound selected from cyanoesters of formula (1): ##STR1## wherein R.sub.1 is a C.sub.1 -C.sub.20 linear or branched alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, aryl, arylalkyl or alkylaryl group; n is 0, 1, 2 or 3; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are independently selected from hydrogen or C.sub.1 -C.sub.20 linear or branched alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, aryl, arylalkyl or alkylaryl groups; two or more of R.sub.2 and R.sub.3, and R.sub.4 and R.sub.5, can be joined to form a cycle. Said catalyst components when used in the polymerization of olefins are characterized by an excellent response to hydrogen and capability to produce polymers with broad Molecular Weight Distribution.
    • 本发明涉及用于烯烃CH2 = CHR聚合的固体催化剂组分,其中R是氢或具有1-12个碳原子的烃基,其包含Ti,Mg,卤素和选自式(1)的氰酯的电子给体化合物 ):其中R1是C1-C20直链或支链烷基,烯基,环烷基,环烷基烷基,烷基环烷基,芳基,芳基烷基或烷基芳基; n为0,1,2或3; R 2,R 3,R 4和R 5独立地选自氢或C 1 -C 20直链或支链烷基,烯基,环烷基,环烷基烷基,烷基环烷基,芳基,芳基烷基或烷基芳基; R2和R3中的两个或更多个,以及R4和R5可以连接形成一个循环。 当用于烯烃聚合时,所述催化剂组分的特征在于对氢的优异响应和产生具有宽分子量分布的聚合物的能力。