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    • 36. 发明授权
    • Catalyst component for use in the polymerization of .alpha.-olefins and
process for producing .alpha.-olefin polymers using the same
    • 用于α-烯烃聚合的催化剂组分和使用其制备α-烯烃聚合物的方法
    • US5510502A
    • 1996-04-23
    • US198257
    • 1994-02-18
    • Toshihiko SuganoTomohiko Takahama
    • Toshihiko SuganoTomohiko Takahama
    • C08F4/642C07F17/00C08F4/60C08F4/649C08F4/651C08F4/659C08F4/6592C08F10/00C07F7/28C07F9/00C07F11/00
    • C07F17/00C08F10/00C08F4/65908C08F4/65912C08F4/65927
    • A catalyst component for use in the polymerization of .alpha.-olefins, comprising a compound represented by the following general formula I!: ##STR1## wherein R.sup.1 s represent a hydrogen atom, a C.sub.1-6 hydrocarbon group or a C.sub.1-12 hydrocarbon group containing silicon; each of R.sup.2 and R.sup.3 which forms the condensed ring represents a divalent C.sub.3-20 saturated or unsaturated hydrocarbon group, provided that at least one of R.sup.2 and R.sup.3 forms a ring condensed with the cyclopentadiene which is a seven- to twelve-membered ring having an unsaturated bond inherent in R.sup.2 or R.sup.3 ; Q represents a C.sub.1-20 divalent hydrocarbon group, a silylene group, a silylene group with a C.sub.1-20 hydrocarbon group, a germylene group, or a germylene group with a C.sub.1-20 hydrocarbon group; X and Y represent H, a halogen, a C.sub.1-20 hydrocarbon group, or a C.sub.1-20 hydrocarbon group containing oxygen, nitrogen or phosphorus; and M represents a Group IVB to VIB transition metal of the Periodic Table. Production of .alpha.-olefin polymers having a high melting point and a high molecular weight in a high yield and a process for producing .alpha.-olefin polymers is made possible upon the use of the catalyst.
    • 一种用于α-烯烃聚合的催化剂组分,其包含由以下通式[I]表示的化合物:其中R 1表示氢原子,C 1-6烃基或C 1-12 含烃基团; 形成稠环的R 2和R 3各自表示二价C 3-20饱和或不饱和烃基,条件是R 2和R 3中的至少一个与环戊二烯缩合形成环,该环是具有7至12元环, R2或R3固有的不饱和键; Q表示C 1-20二价烃基,亚甲硅烷基,具有C 1-20烃基的亚甲硅烷基,亚乙烯基或具有C 1-20烃基的亚
      甲基; X和Y表示H,卤素,C 1-20烃基或含有氧,氮或磷的C 1-20烃基; 并且M表示周期表的IVB至VIB族过渡金属。 在使用催化剂的情况下,可以生产具有高收率的高熔点和高分子量的α-烯烃聚合物和生产α-烯烃聚合物的方法。
    • 38. 发明授权
    • Production of alpha-olefin polymers
    • 生产α-烯烃聚合物
    • US5385877A
    • 1995-01-31
    • US832322
    • 1992-02-07
    • Takashi FujitaToshihiko SuganoHideshi Uchino
    • Takashi FujitaToshihiko SuganoHideshi Uchino
    • C08F4/642C07F17/00C08F4/60C08F4/602C08F4/639C08F4/6392C08F4/6592C08F10/00
    • C08F10/00C07F17/00C08F4/63912C08F4/63927
    • A catalyst for .alpha.-olefin polymerization which comprises the following components (A) and (B):component (A), which is a transition metal compound represented by the formulaQ(C.sub.5 H.sub.4-m R.sup.1.sub.m)(C.sub.5 H.sub.4-n R.sup.2.sub.n)MeXYwherein (C.sub.5 H.sub.4-m R.sup.1.sub.m) and (C.sub.5 H.sub.4-n R.sup.2.sub.n) respectively represent a conjugated five-membered ring ligand coordinating to a metal Me; R.sup.1 and R.sup.2 which may be the same or different and a plurality of each of which can be bonded together, respectively represent a hydrocarbyl group having 1 to 20 carbon atoms, a halogen atom, an alkoxy group, a silicon-containing hydrocarbyl group, a phosphorus-containing hydrocarbyl group, a nitrogen-containing hydrocarbyl group or a boron-containing hydrocarbyl group; Q represents a bonding group which crosslinks the two conjugated five-membered ring ligand; Me represents a transition metal of the IVB-VIB group in the Periodic Table; X and Y, which may be the same or different, respectively represent hydrogen, a halogen atoms, a hydrocarbyl group, an alkoxy group, an amino group, a phosphorus-containing hydrocarbyl group or a silicon-containing hydrocarbyl group; m denotes an integer of 0.ltoreq.m.ltoreq.4 and n denotes an integer of 0.ltoreq.n.ltoreq.4; component (B), which is a methylisobutylalumoxane which satisfies the following conditions (a), (b) and (c): (a) the molar ratio of a methyl group to an isobutyl group being in the range of 4:1 to 1:4, (b) the chemical shift of .sup.27 Al-NMR being in the range of 160 ppm to 250 ppm and the peak having a half-height width of no smaller than 3000 Hz, and (c) it has a repeating unit of Al--O in an amount of 2 to 100. The methylisobutylalumoxane is assumed to be novel.
    • 用于α-烯烃聚合的催化剂,其包含以下组分(A)和(B):组分(A),其为由式Q(C5H4-mR1m)(C5H4-nR2n)MeXY表示的过渡金属化合物,其中(C5H4 -mR1m)和(C5H4-nR2n)分别表示与金属Me配位的共轭五元环配体; R 1和R 2可以相同或不同,并且多个可以键合在一起,分别表示具有1至20个碳原子的烃基,卤素原子,烷氧基,含硅烃基, 含磷烃基,含氮烃基或含硼烃基; Q表示交联两个共轭五元环配体的键合基团; Me表示周期表中IVB-VIB基团的过渡金属; X和Y可以相同或不同,分别表示氢,卤素原子,烃基,烷氧基,氨基,含磷烃基或含硅烃基; m表示0≤n≤4的整数,n表示0