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    • 4. 发明申请
    • TRANSITION METAL COMPOUND, LIGAND SYSTEM, CATALYST SYSTEM AND PROCESS FOR PREPARING POLYOLEFINS
    • 过渡金属化合物,配体系统,催化剂体系和制备聚烯烃的方法
    • WO2005118654A1
    • 2005-12-15
    • PCT/EP2005/005947
    • 2005-06-02
    • BASELL POLYOLEFINE GMBHJONES, Robert, L.ELDER, Michael, J.KIPKE, JenniferKOEPPL, AlexanderSCHOPF, MarkusEWEN, John, A.
    • JONES, Robert, L.ELDER, Michael, J.KIPKE, JenniferKOEPPL, AlexanderSCHOPF, MarkusEWEN, John, A.
    • C08F10/00
    • C07D333/78C07D495/04C07F7/0814C07F17/00C08F4/65912C08F4/65916C08F10/00C08F110/02C08F210/16C08F4/65927C08F2500/17C08F2500/20C08F2500/04C08F210/14
    • The present invention relates to organometallic transition metal compounds of the formula (I) Z 1 A n Z 2 MX m (I) where Z 1 is a coordinating group which comprises a six-π-electron central group which coordinates directly to M and which bears at least one fused-on saturated or unsaturated C 2 -C 30 ring system containing at least one heteroatom selected from the group consisting of the elements B, Al, Ga, In, Si, Ge, Sn, O, S, Se, Te, N, P, As and Sb in the ring, where the heteroatom is bound directly to a carbon atom of the six-π-electron-containing central group and the heteroatom may also bear radicals which are not constituents of the ring, A is a divalent bridge between the groups Z 1 and Z 2 , Z 2 is a coordinating group having the same meaning as Z 1 or is a group comprising an open pentadienyl, a cyclopentadienyl-containing group or a heterocyclic, 5- or 6-membered group containing six π electrons, n = zero or 1, M is an element of group 3, 4, 5 or 6 of the Periodic Table of the Elements or is an element of the lanthanides, the radicals X are identical or different and are each an organic or inorganic radical, with two radicals X also being able to be joined to one another, m is 0, 1 or 2, and at least one of the three molecule fragments Z 1 , Z 2 and A bears a monovalent organic radical which contains at least one olefinic C=C double bond and has from 2 to 40 carbon atoms, ligand systems having such a substitution pattern, catalyst systems comprising at least one of the transition metal compounds of the invention, a process for preparing polyolefins by polymerization or copolymerization of at least one olefin in the presence of one of the catalyst systems of the invention and the use of the ligand systems of the invention for preparing organometallic transition metal compounds.
    • 本发明涉及式(I)Z 1 AnZ 2 MX m(I)的有机金属过渡金属化合物,其中Z 1是一种配位基团,其包含六对电子中心基团,其直接与 并且其含有至少一个含有至少一个选自元素B,Al,Ga,In,Si,Ge,Sn,O,S,Se的杂原子的稠合的饱和或不饱和C 2 -C 30环体系 ,Te,N,P,As和Sb,其中杂原子直接与含六元电子的中心基团的碳原子结合,并且杂原子也可以具有不是环成分的基团, A是Z 1和Z 2之间的二价桥,Z 2是具有与Z 1相同含义的配位基,或是包含开戊二烯基,含环戊二烯基的基团或 含有6个π电子的杂环,5或6元基团,n = 0或1,M是元素周期表第3,4,5或6族的元素 的元素或者是镧系元素的元素,基团X是相同或不同的,并且各自是有机或无机基团,两个基团X也能够彼此连接,m是0,1或2,以及 三个分子片段Z 1,Z 2和A中的至少一个具有包含至少一个烯属C = C双键并具有2至40个碳原子的单价有机基团,具有这种取代的配体体系 包括至少一种本发明的过渡金属化合物的催化剂体系,在本发明的一种催化剂体系存在下通过聚合或共聚至少一种烯烃制备聚烯烃的方法和配体体系的用途 的本发明用于制备有机金属过渡金属化合物。
    • 5. 发明申请
    • MULTIMODAL POLYETHYLENE COMPOSITION, MIXED CATALYST AND PROCESS FOR PREPARING THE COMPOSITION
    • 多型聚乙烯组合物,混合催化剂和制备组合物的方法
    • WO2008077530A2
    • 2008-07-03
    • PCT/EP2007011113
    • 2007-12-18
    • BASELL POLYOLEFINE GMBHKIPKE JENNIFERMIHAN SHAHRAMKARER RAINERSCHMITZ HARALD
    • KIPKE JENNIFERMIHAN SHAHRAMKARER RAINERSCHMITZ HARALD
    • C08L23/04C08F297/08
    • B01J31/12C08F2/34C08F4/65912C08F10/00C08F10/02C08F210/16C08F2410/04C08J5/18C08J2323/04C08L23/04C08L23/06C08L23/0815C08L2205/03C08L2314/06Y02P20/52C08F4/65925C08F4/65916C08L23/00C08L2666/06C08F210/14C08F2500/07C08F2500/08C08F2500/04C08F2500/26C08F4/7042C08F4/61904
    • A multimodal polyethylene composition, in particular suitable for the preparation of films, but also textile articles, blow molded articles and injection molded articles is described. The polyethylene composition of the invention comprises at least three ethylene polymer fractions having distinct molecular weights or comonomer contents, said at least three ethylene polymer fractions comprising at least one first ethylene polymer fraction having a first molecular weight, a first comonomer content lower than a predetermined value and a first density; at least one second ethylene polymer fraction having a second molecular weight higher than said first molecular weight, a second comonomer content higher than said first comonomer content, and a second density; and at least one third ethylene polymer fraction having a third molecular weight higher than said first molecular weight, a third comonomer content lower than a predetermined value, and a third density; wherein said at least one first ethylene polymer fraction and said at least third ethylene polymer fraction are prepared by the use of a first and, respectively, third catalyst and said at least one second ethylene polymer fraction is prepared by the use of a second catalyst of the single site type. The films prepared from the composition of the invention have improved water vapor barrier properties. Furthermore, a mixed catalyst system comprising at least three catalyst components and a process particularly suitable to prepare the composition of the invention are described.
    • 描述了一种多峰聚乙烯组合物,特别适用于制备薄膜,但也包括纺织品,吹塑制品和注塑制品。 本发明的聚乙烯组合物包含至少三种具有不同分子量或共聚单体含量的乙烯聚合物部分,所述至少三种乙烯聚合物部分包含至少一种具有第一分子量的第一乙烯聚合物部分,第一共聚单体含量低于预定的 价值和第一密度; 至少一种具有高于所述第一分子量的第二分子量的第二乙烯聚合物部分,第二共聚单体含量高于所述第一共聚单体含量和第二密度; 和至少一种具有比所述第一分子量高的第三分子量,低​​于预定值的第三共聚单体含量和第三密度的第三乙烯聚合物部分; 其中所述至少一种第一乙烯聚合物部分和所述至少第三乙烯聚合物部分通过使用第一催化剂和第三催化剂制备,并且所述至少一种第二乙烯聚合物部分通过使用第二催化剂 单一网站类型。 由本发明组合物制备的膜具有改善的水蒸气阻隔性能。 此外,描述了包含至少三种催化剂组分的混合催化剂体系和特别适用于制备本发明组合物的方法。