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公开(公告)号:US06515085B1
公开(公告)日:2003-02-04
申请号:US08371048
申请日:1995-01-10
IPC分类号: C08F4649
CPC分类号: C08F10/00 , Y02P20/52 , C08F4/6543 , C08F4/6465 , C08F4/6565 , C08F4/64 , C08F4/651
摘要: Catalyst-forming components and catalysts for the polymerization of olefins based on said components are disclosed. The catalysts comprise the reaction product of: (a) an Al alkyl compound; (b) a silicon compound containing at least a Si—OR or Si—OCOR or Si—NR2 bond, R being a hydrocarbyl radical; and (c) a solid comprising, as essential support, a Mg dihalide in active form and, supported thereon, a Ti halide or a halo-Ti-alcoholate or said halogenated Ti compound and a silicon compound as defined in (b) in a molar ratio with the supported Ti compound from 1.0 mole to 5 moles of silicon compound per mole of Ti compound. The present invention refers to new supported components of catalysts for the polymerization of CH2═CHR olefins wherein R is an alkyl radical with 1 to 4 carbon atoms, or an aryl radical, and mixtures of said olefins with ethylene, and to the catalysts obtained from said components.
摘要翻译: 公开了基于所述组分的用于烯烃聚合的催化剂形成组分和催化剂。 催化剂包含以下反应产物:(a)Al烷基化合物;(b)至少含有Si-OR或Si-OCOR或Si-NR2键的硅化合物,R是烃基; 和(c)固体,其包含活性形式的二卤化镁作为必需的载体,并且在其上负载有Ti卤化物或卤代Ti-醇化物或所述卤代Ti化合物和(b)中定义的硅化合物 与负载的Ti化合物的摩尔比为每摩尔Ti化合物1.0摩尔至5摩尔的硅化合物。 本发明涉及用于聚合CH 2 = CHR烯烃的催化剂的新的负载组分,其中R是具有1-4个碳原子的烷基或芳基,以及所述烯烃与乙烯的混合物,以及由 说组件。
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公开(公告)号:US06194342B1
公开(公告)日:2001-02-27
申请号:US08469735
申请日:1995-06-06
IPC分类号: B01J3104
CPC分类号: C08F10/00 , Y02P20/52 , C08F4/6543 , C08F4/6465 , C08F4/6565 , C08F4/64 , C08F4/651
摘要: The present invention relates to supported catalysts for the polymerization of alpha-olefins which comprise the reaction product of: (a) an Al-alkyl compound; (b) a silicon compound containing at least one Si—OR or Si—OCOR or Si—NR2 bond, R being a hydrocarbyl radical; (c) a solid comprising, as essential support, a Mg dihalide in active form and, supported thereon, a Ti halide or a halo-Ti-alcoholate and a particular type of electron donor compound. The present invention also relates to supported catalyst components.
摘要翻译: 本发明涉及用于α-烯烃聚合的载体催化剂,其包含以下反应产物:(a)Al-烷基化合物;(b)含有至少一个Si-OR或Si-OCOR或Si- NR2键,R是烃基;(c)包含活性形式的二卤化镁作为必需的载体的固体,并且其上载有Ti卤化物或卤代Ti-醇化物和特定类型的电子给体化合物。 本发明还涉及负载型催化剂组分。
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公开(公告)号:US5618771A
公开(公告)日:1997-04-08
申请号:US469734
申请日:1995-06-06
IPC分类号: C08F4/00 , B01J31/38 , C08F4/02 , C08F4/04 , C08F4/60 , C08F4/64 , C08F4/646 , C08F4/649 , C08F4/65 , C08F4/651 , C08F4/654 , C08F4/658 , C08F10/00 , C08F10/06 , C08F110/06
摘要: Disclosed are catalysts for the polymerization of alpha-olefins which comprise the reaction product of:(a) an Al alkyl compound;(b) a silicon compound containing at least a Si--OR or Si--OCOR or Si--NR.sub.2 bond, R being a hydrocarbyl radical;(c) a solid comprising, as essential support, a Mg dihalide in active form and, supported thereon, a Ti halide or a halo-Ti-alcoholate and a particular, selected type of electron-donor compound.
摘要翻译: 公开了用于α-烯烃聚合的催化剂,其包括以下反应产物:(a)Al烷基化合物; (b)至少含有Si-OR或Si-OCOR或Si-NR2键的硅化合物,R为烃基; (c)固体,其包含活性形式的二卤化镁作为必需的载体,并且其上载有Ti卤化物或卤代钛醇化物和特定的选择类型的电子给体化合物。
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公开(公告)号:US5508245A
公开(公告)日:1996-04-16
申请号:US979243
申请日:1992-11-20
CPC分类号: C08F10/00
摘要: Spherical components of catalysts for the polymerization of olefins comprising:(a) a vanadium compound selected from the compounds of formula VOX.sub.2 Y or VX.sub.n Y.sub.n-4n, where X is Cl or Br and Y is Cl, Br OR or NR.sup.I.sub.2(b) MgCl.sub.2 in spherical form.Said components have an average diameter greater than 1 .mu.m, a surface area of at least 10 m.sup.2 /g, a porosity of at least 0.1 g/cm.sup.3 and an X-ray spectrum having particular characteristics.
摘要翻译: 用于烯烃聚合的催化剂的球形组分包括:(a)选自式VOX2Y或VXnYn-4n的化合物的钒化合物,其中X是Cl或Br,Y是Cl,Br OR或NRI2(b)球形中的MgCl 2 形成。 所述组分具有大于1μm的平均直径,至少10m 2 / g的表面积,至少0.1g / cm 3的孔隙率和具有特定特征的X射线谱。
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公开(公告)号:US5468704A
公开(公告)日:1995-11-21
申请号:US315747
申请日:1994-09-30
IPC分类号: B01J27/138 , B01J31/02 , B01J31/26 , B01J31/38 , C07C45/45 , C07C45/68 , C07C49/12 , C07C49/784 , C08F4/60 , C08F4/64 , C08F4/649 , C08F4/654 , C08F10/00
CPC分类号: B01J31/0204 , B01J27/138 , B01J31/0208 , B01J31/0237 , B01J31/0274 , B01J31/26 , B01J31/38 , C07C45/455 , C07C45/68 , C07C49/12 , C07C49/784 , C08F10/00
摘要: Disclosed is a catalyst for the polymerization of olefins, which includes the product of the reaction between an Al-alkyl compound and a solid catalyst component containing a magnesium halide in active form, a titanium compound and an electron-donor selected from the 1,3-diketones of formula: ##STR1## wherein the radicals R are the same or different, the radicals R.sup.I are the same or different, and R and R.sup.I are C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.20 cycloalkyl, C.sub.6 -C.sub.12 aryl, C.sub.7 -C.sub.20 arylalkyl or alkylaryl radicals or hydrogen, with the proviso that at least one of the R radicals is not hydrogen and can be bonded with the other R radical to form a cyclic structure, and at least one of the R.sup.I radicals, which are not bonded to one another to form a cyclic structure, is a branched alkyl, cycloalkyl or aryl radical, or is bonded to one or both R radicals to form a cyclic structure.
摘要翻译: 公开了一种用于烯烃聚合的催化剂,其包括含有活性形式的卤化镁的Al-烷基化合物和固体催化剂组分之间的反应的产物,钛化合物和选自1,3 式:
其中基团R相同或不同,基团R 1相同或不同,并且R和R 1是C 1 -C 20烷基,C 3 -C 20环烷基,C 6 -C 12芳基,C 7 -C 20 芳基烷基或烷基芳基或氢,条件是R基团中的至少一个不是氢并且可以与其它R基团键合以形成环状结构,并且至少一个RI基团不与 彼此形成环状结构,是支链烷基,环烷基或芳基,或者与一个或两个R基团结合形成环状结构。 -
公开(公告)号:US4978648A
公开(公告)日:1990-12-18
申请号:US413430
申请日:1989-09-27
申请人: Pier C. Barbe , Luciano Noristi , Raimondo Scordamaglia , Luisa Barino , Enrico Albizzati , Umberto Giannini , Giampiero Morini
发明人: Pier C. Barbe , Luciano Noristi , Raimondo Scordamaglia , Luisa Barino , Enrico Albizzati , Umberto Giannini , Giampiero Morini
IPC分类号: C08F4/658 , C08F4/10 , C08F4/52 , C08F4/60 , C08F4/646 , C08F4/652 , C08F10/00 , C08F10/10 , C08F110/06
CPC分类号: C08F10/00
摘要: Catalysts for the polymerization of olefins, particularly alpha-olefin of the formula CH.sub.2 .dbd.CHR in which R is an alkyl radical with 1-6 carbon atoms or an aryl radical, obtained by the reaction of:(a) an Al-alkyl compound;(b) an ether containing at least two ether groups which can form complexes with anhydrous magnesium dichloride, under standard conditions of reaction, in an amount less than 60 mmol per 100 g Mg dichloride; and(c) a solid catalyst component comprising an anhydrous magnesium dihalide in active form and having supported thereon a titanium compound containing at least a Ti-halogen bond and an electron-donor compound which is at least 70 mole % extractable with Al-triethyl, under standard conditions of extraction, component wherein the solid, after extraction, has a surface area of more than 20 m.sup.2 g.
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公开(公告)号:US5539067A
公开(公告)日:1996-07-23
申请号:US439678
申请日:1995-05-12
IPC分类号: C08F4/00 , B01J31/38 , C08F4/02 , C08F4/04 , C08F4/60 , C08F4/64 , C08F4/646 , C08F4/649 , C08F4/65 , C08F4/651 , C08F4/654 , C08F4/658 , C08F10/00 , C08F10/06 , C08F110/06
摘要: Disclosed are catalysts for the polymerization of alpha-olefins which comprise the reaction product of:(a) an Al alkyl compound;(b) a silicon compound containing at least a Si--OR or Si--OCOR or Si--NR.sub.2 bond, R being a hydrocarbyl radical;(c) a solid comprising, as essential support, a Mg dihalide in active form and, supported thereon, a Ti halide or a halo-Ti-alcoholate and a particular, selected type of electron-donor compound.
摘要翻译: 公开了用于α-烯烃聚合的催化剂,其包括以下反应产物:(a)Al烷基化合物; (b)至少含有Si-OR或Si-OCOR或Si-NR2键的硅化合物,R为烃基; (c)固体,其包含活性形式的二卤化镁作为必需的载体,并且其上载有Ti卤化物或卤代钛醇化物和特定的选择类型的电子给体化合物。
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公开(公告)号:US5106807A
公开(公告)日:1992-04-21
申请号:US638289
申请日:1991-01-04
申请人: Giampiero Morini , Enrico Albizzati , Umberto Giannini , Luisa Barino , Raimondo Scordamaglia , Elisabetta Barbassa
发明人: Giampiero Morini , Enrico Albizzati , Umberto Giannini , Luisa Barino , Raimondo Scordamaglia , Elisabetta Barbassa
CPC分类号: C08F10/00
摘要: Disclosed are solid catalyst components for the polymerization of olefins comprising a titanium halide or titanium alkoxy halide, and an electron-donor compound selected from silicon compounds of the formula ##STR1## where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrocarbyl radicals, supported on a magnesium halide in active form.Also disclosed are catalysts obtained from said catalyst components and from an Al-alkyl compound, as well as catalysts obtained by the reaction of an Al-alkyl compound and a silicon compound of the formula above with a solid catalyst component comprising a titanium halide or halogen alcoholate and an electron-donor compound having specific characteristics of extractability with Al-triethyl, supported on an active magnesium halide.
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公开(公告)号:US5017678A
公开(公告)日:1991-05-21
申请号:US532349
申请日:1990-06-04
CPC分类号: C08G63/19
摘要: Melt-formable thermotropic liquid crystalline polymers containing groups derived from terephthalic acid and a mixture of phenyl hydroquinone, 2-(.alpha.-phenylisopropyl) hydroquinone and, if desired, 2,5 bis (.alpha.-phenylisopropyl) hydroquinone.
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公开(公告)号:US4971937A
公开(公告)日:1990-11-20
申请号:US413410
申请日:1989-09-27
申请人: Enrico Albizzati , Pier C. Barbe , Luciano Noristi , Raimondo Scordamaglia , Luisa Barino , Umberto Giannini , Giampiero Morini
发明人: Enrico Albizzati , Pier C. Barbe , Luciano Noristi , Raimondo Scordamaglia , Luisa Barino , Umberto Giannini , Giampiero Morini
IPC分类号: C08F4/658 , C08F4/60 , C08F4/646 , C08F4/654 , C08F4/659 , C08F10/00 , C08F10/06 , C08F110/06
CPC分类号: C08F10/00 , C08F110/06
摘要: Solid catalyst components for the polymerization of olefins and modified with electron-donor compounds, comprising a titanium halide supported on a magnesium dihalide in active form and containing as an electron-donor compound a di- or other polyether having specific reactivity characteristics towards MgCl.sub.2 and TiCl.sub.4.
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