Silicon Present In Organic Non-metal Compound Patents (Class 526/128)
-
Patent number: 5112928Abstract: The homopolymerization and copolymerization of ethene are carried out using a Ziegler catalyst system consisting of(1) a transition metal catalyst component,(2) an organoaluminum catalyst component and(3) an organohalogen catalyst component.In the homopolymerization or copolymerization, the solid-phase product (VI) used as (1) is the product which has been obtained by a method in which (1.1) first (1.1.1) an inorganic oxidic substance (I) as the carrier and (1.1.2) a solution (II) of (IIa) a certain oxahydrocarbon and (IIb) a vanadium trichloride/alcohol complex and (IIc) a silicon or boron compound are combined with formation of a suspension (III), the latter is evaporated down to form a solid-phase intermediate (IV), and (1.2) then (1.2.1) the intermediate (IV) obtained in (1.1) and (1.2.2) a dissolved organoaluminum compound (V) are combined with the formation of a suspension, the solid-phase product (VI) obtained as the suspended substance being the transition metal catalyst component (1).Type: GrantFiled: October 3, 1989Date of Patent: May 12, 1992Assignee: BASF AktiengesellschaftInventors: Roland Saive, Guido Funk, Robert Bachl
-
Patent number: 5102964Abstract: Silica supports for use in the production of catalysts for olefin polymerization, in particular where the surface is substantially free from reactive hydroxyl groups, comprise (RCOO).sub.2 Mg deposited on the surface of the silica and/or groups of the general formula R(CO.sub.2 MgO).sub.n linked to surface silicon atoms, where R is a hydrocarbon radical and n=1 to to 6. Such supports are suitable for the production of stereospecific catalysts of high activity in the polymerization of olefins especially propylene.Type: GrantFiled: July 12, 1991Date of Patent: April 7, 1992Assignee: Imperial Chemical Industries PLCInventor: John W. Kelland
-
Patent number: 5096962Abstract: A one-component adhesive for metal surfaces such as iron, zinc, copper, cadmium and their alloys that will cure upon contact with the metal surface. The adhesive composition includes an olefinically unsaturated monomer; an acidic compound; a sulfonyl-containing compound; and a compound containing a transition metal. The adhesive composition may also optionally contain additional polymeric materials and will cure rapidly upon contact with a metal surface to form an adhesive bond between metal surfaces. The adhesive composition avoids the use of halide-containing compounds which can be undesirable in certain applications.Type: GrantFiled: November 29, 1990Date of Patent: March 17, 1992Assignee: Lord CorporationInventors: S. Randall Holmes-Farley, Kirk J. Abbey
-
Patent number: 5093442Abstract: A method for producing a homopolymer or copolymer of an .alpha.-olefin is disclosed, wherein a specific catalyst is used, said catalyst comprising a solid catalyst component obtained by contacting, in the presence of a chlorinated hydrocarbon solvent, a titanium compound and an aromatic carboxylic ester with a solid component obtained by reacting a hydrocarbon solvent-soluble organomagnesium compound having an alkoxy group with a specified chlorosilane compound having an Si--H bond; an organoaluminum compound; and an alkoxysilane compound. By the method of the present invention, an .alpha.-olefin homopolymer or copolymer exhibiting high bulk density and stereoregularity can be efficiently produced under even such polymerization reaction conditions, that the polymerization temperature is high and the polymerization time is long.Type: GrantFiled: October 3, 1989Date of Patent: March 3, 1992Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Harumi Watanabe, Shigeo Tsuyama
-
Patent number: 5082909Abstract: This invention relates to a two component catalyst system for polymerization of metathesis polymerizable cycloolefins, comprising(a) a tungsten compound of the formula WOCl.sub.4-x (OAr).sub.x wherein Ar represents a hindered phenyl ring having bulky alkyl, alkoxyl halogen or aryl groups in the 2,6 position, i.e., diisopropyl or phenyl group and x=1, 2 or 3; and(b) an activator compound that is triphenyl tin hydride or trialkyl tin hydride, preferably a tributyltin hydride.Among the preferred molecules or groups that are substituted on the phenyl ring of the tungsten compound include chlorine, bromine, phenyl, methoxy and isopropyl. Ar may also represent a multisubstituted phenyl group such as 2,4-dichloro-6-methyl phenyl.Type: GrantFiled: October 12, 1990Date of Patent: January 21, 1992Assignee: Hercules IncorporatedInventor: Andrew Bell
-
Patent number: 5075396Abstract: A process for producing a polymer or copolymer of an olefin which comprises polymerizing or copolymerizing at least one olefin with or without a diolefin in the presence of a catalyst composed of (A) a magnesium-containing solid titanium catalyst component containing magnesium, titanium, a halogen and an electron donor as essential ingredients and (B) an organoaluminum compound catalyst component; characterized in that(1) said catalyst further comprises (C) an organic silicon compound catalyst component having an Si--O--C or Si--N--C bond, and(2) said electron donor in the catalyst component (A) is a cyclic mono- or poly-ester such as diethyl furane-3,4-dicarboxylate, di-n-butyl 3,4-dihydro-2H-pyrane-5,6-dicarboxylate, di-isobutyl pyrrole-2,3-dicarboxylic, di-n-butyl thiophene-2,3-dicarboxylate, n-octyl pyrrolidine-2,3-dicarboxylate, and so on.Type: GrantFiled: March 31, 1989Date of Patent: December 24, 1991Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Norio Kashiwa, Akinori Toyota, Mamoru Kioka
-
Patent number: 5066740Abstract: This invention pertains to the use of pyridinium isopoly and heteropoly molybdates and tungstates as catalysts in a metathesis catalyst system in polymerization of norbornene-type monomers by ring opening polymerization. Polymerization can be by reaction injection molding in absence of a solvent whereby a thermoset polymer is produced or by solution polymerization in presence of a suitable solvent whereby a thermosetting or a thermoplastic polymer is produced. The monomers are selected from polycycloolefins containing at least on enorbornene group and mixtures thereof.Type: GrantFiled: December 26, 1989Date of Patent: November 19, 1991Assignee: The B. F. Goodrich CompanyInventor: Larry F. Rhodes
-
Patent number: 5051484Abstract: A solid catalyst component for .alpha.-olefin polymerization containing as catalyst components at least titanium, magnesium and chlorine which are impregnated into an organic porous polymer carrier having a mean particle diameter of 5 to 1,000 .mu.m and a pore volume of 0.1 ml/g or above at a pore radius of 100 to 5,000 .ANG., a catalyst system comprising at least said solid catalyst component (A) and an organoaluminum compound (B), as well as a process for producing .alpha.-olefin polymers using said catalyst system.Type: GrantFiled: December 4, 1989Date of Patent: September 24, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Toshio Sasaki, Takeshi Ebara, Hiroyuki Kora, Kiyoshi Kawai, Mituharu Yamasaki, Syozo Kawamata
-
Patent number: 5043408Abstract: Alternating copolymers having a high alternating degree and high isotacticity, which can be produced by copolymerizing ethylene and an aromatic vinyl monomer in the presence, as a catalyst, of a transition metal compound, aluminoxane and a specific organic compound having at least two hydroxyl groups.Type: GrantFiled: June 15, 1990Date of Patent: August 27, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Masahiro Kakugo, Tatsuya Miyatake, Koozi Mizunuma, Yoshio Yagi
-
Patent number: 5037910Abstract: A method of manufacturing a polyolefin using a catalyst system of an ingredient (A) and ingredient (B), with ingredient A being obtained through successive reaction steps. Ingredient A is prepared by forming a mixture of (1) the combination of (a) metallic magnesium or an oxygen-containing organic compound of magnesium with (b) a mixture of a monohydroxylated organic compound and a polyhydroxylated organic compound, and (2) oxygen-containing organic compounds of titanium. The resulting solution is reacted in sequence with (3) at least one first halogenated aluminum compound, (4) at least one silicon compound and (5) at least one second halogenated aluminum compound. Compounds 3 and 5 are added at temperatures not exceeding about 25.degree. C. Ingredient B is an organometallic compound of metals from Group Ia, IIa, IIIa or IVa of the Periodic Table. The resulting free-flowing polyolefin is characterized by a large average particle size and small amount of fine particles.Type: GrantFiled: October 17, 1989Date of Patent: August 6, 1991Assignee: Paxon Polymer Company, L.P.Inventors: Gregory A. Cook, Theodore R. Engelmann
-
Patent number: 5036147Abstract: A solid catalyst component and catalyst system, and method for the homopolymerization of propylene or copolymerization of a major amount of propylene with one or more other 1-olefins are disclosed. The solid catalyst component is used in combination with a complex of an alkyl aluminum cocatalyst compound and an electron donor stereoregulating agent. The solid catalyst component is prepared by reacting a silica-containing support material with a magnesium silylamide compound, an electron donor stereoregulating agent, and a halogenated tetravalent titanium compound.Type: GrantFiled: September 11, 1990Date of Patent: July 30, 1991Assignee: Quantum Chemical CorporationInventors: Craig C. Meverden, Thomas J. Pullukat
-
Patent number: 5034484Abstract: The invention concerns:a catalytic solid containing magnesium, a halogen, titanium and silicon, this catalytic solid also containing aluminium and being microporous;a process for preparing this catalytic solid;use of this catalytic solid for polymerizing alpha-olefines.Type: GrantFiled: February 22, 1989Date of Patent: July 23, 1991Assignee: Solvay & Cie (Societe Anonyme)Inventors: Leopold Demiddeleer, Yvan Kempeneer, Laurence Desvachez
-
Patent number: 5034366Abstract: A vanadium-based catalyst is treated with a polysiloxane oil as a means of enhancing catalyst activity and polymer productivity.Type: GrantFiled: December 29, 1989Date of Patent: July 23, 1991Assignee: Union Carbide Chemicals and Plastics Technology CorporationInventors: Frederick J. Karol, Sun-Chueh Kao
-
Patent number: 5032563Abstract: Ziegler polymerization of .alpha.-olefins is disclosed which is characterized by a solid catalyst component used in the Ziegler-type catalyst. The solid catalyst component, Component (A), comprises Component (i) which is a solid catalyst component for a Ziegler-type catalyst comprising Ti, Mg and a halogen; Component (ii) a silicon compound of a formula:R.sup.1 R.sup.2.sub.3-n Si(OR.sup.3).sub.nwherein R.sup.1 -R.sup.3 are each hydrocarbyl group characterized by R.sup.1 which has a branched hydrocarbyl group;Component (iii) a halogen compound of W or Mo; and Component (iv) an organometal compound of a metal of Groups I to IV of the Periodic Table.Type: GrantFiled: November 17, 1989Date of Patent: July 16, 1991Assignee: Mitsubishi Petrochemical Company LimitedInventors: Mitsuyuki Matsuura, Toshihiko Sugano, Kazuo Nakamura
-
Patent number: 5028672Abstract: Disclosed is a process for the polymerization of norbornene derivatives which comprises contacting the monomer(s) with a catalytic system comprising the following two components:(1) a tungsten compound which is the product of combining a tungsten halide with a para-trihalomethylphenol which can be described by the formula ##STR1## in which each R is selected from alkyl and halide, and (2) a compound of the general formula: ##STR2## in which at least two of R.sup.1, R.sup.2 and R.sup.3 are selected from unsubstituted and substituted C.sub.1-20 hydrocarbyl.Type: GrantFiled: November 13, 1990Date of Patent: July 2, 1991Assignee: Shell Oil CompanyInventors: Willem Sjardijn, Wilhelmina J. M. Van Der Linden-Lemmers
-
Patent number: 5028574Abstract: A catalyst and method is provided for the production of ultra-high molecular weight polymers characterized as having an inherent viscosity of above 12.0 by contacting ethylenically unsaturated monomers with a dual electron donor catalyst under polymerization conditions.Type: GrantFiled: March 14, 1990Date of Patent: July 2, 1991Assignee: Conoco Inc.Inventors: Donald E. Gessell, Donald P. Hosman
-
Patent number: 5028671Abstract: A catalyst formed from(A) a solid titanium catalyst component containing magnesium, titanium, halogen and a polycarboxylic acid ester as essential ingredients and being obtained by contacting a magnesium compound, a titanium compound and a polycarboxylic acid ester,(B) an organoaluminum compound, and(C) an organosilicon compound represented by the following formula (1)SiR.sup.1 R.sup.2 (OR.sup.3).sub.2 (1)wherein R.sup.1 is selected from the class consisting of linear alkyl groups having at least 3 carbon atoms and arylalkyl groups in which the alkyl moiety has a secondary or tertiary alpha-carbon atom, R.sup.2 is selected from the class consisting of alkyl groups and arylalkyl groups in which the alkyl moiety has a secondary or tertiary alpha-carbon atom, and R.sup.3 is a hydrocarbon group, with the proviso that when R.sup.1 is a linear alkyl group having at least 3 carbon atoms and R.sup.2 is an alkyl group, the alkyl group for R.sup.Type: GrantFiled: November 1, 1989Date of Patent: July 2, 1991Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Mamoru Kioka, Norio Kashiwa
-
Patent number: 5013803Abstract: Disclosed is a homogeneous vanadium catalyst composition prepared by the reaction of an alkylaluminum dihalide with a solid reaction product produced by reacting (A) a silicon alkoxide, (B) a hydrocarbon soluble vanadium compound, and (C) a trialkylaluminum. The solid reaction product may be produced by complexing the (A) silicon alkoxide first with either the (B) vanadium compound or the (C) trialkylaluminum. The intermediate complex (I) of such reaction is then treated with the remaining reageant (either the vandium compound or the trialkylaluminum as the case may be) whereupon the solid reaction product (II) is formed. The solid reaction product (II) of the silicon alkoxide-vanadium compound/trialkylaluminum reaction is then reacted with (D) an alkylaluminum dihalide to produce a homogeneous hydrocarbon soluble product (III) which is highly active for catalyzing the polymerization of olefines to a polyolefin having a narrow molecular weight distribution.Type: GrantFiled: March 23, 1990Date of Patent: May 7, 1991Assignee: Exxon Chemical Patents, Inc.Inventor: Steven A. Best
-
Patent number: 5008040Abstract: A polyacetylene film having a high electroconductivity is prepared by (a) heating a Ziegler-Natta catalyst at a temperature not lower than 150.degree. C. in an organic solvent and then, cooling the catalyst-solvent mixture, (b) removing coarse catalyst particles having a diameter of larger than 1 .mu.m from the catalyst-solvent mixture by filtration to form a catalyst dispersion for polymerization, (c) introducing acetylene into the catalyst dispersion to effect polymerization of acetylene, and (d) drawing the formed polymer and treating the drawn polymer with a dopant.Type: GrantFiled: September 29, 1988Date of Patent: April 16, 1991Assignee: Director-General of Agency of Industrial Science and TechnologyInventors: Jun Tsukamoto, Akio Takahashi
-
Patent number: 5006620Abstract: Polymers of propene are prepared by means of a Ziegler-Natta catalyst system composed of (1) a titanium component based on a finely divided shape-dictating silica gel and containing titanium, magnesium, chlorine and a benzenecarboxylic acid derivative, (2) an aluminum component and (3) a silane component, the titanium component (1) being obtained by (1.1) first preparing (I) a carrier material from (Ia) a silica gel, (Ib) an organomagnesium compound (Ic) a gaseous chlorinating agent and (Id) a specific phthalic acid derivative by (1.1.1) first reacting (Ia) with (Ib), then (1.1.2) passing (Ic) into the product of (1.1.1) together with the phthalic acid derivative (Id) and isolating (I), (1.2) preparing a solid-phase intermediate from (I), (II) an alkanol and (III) titanium tetrachloride by (1.2.1) first reacting (I) with (II), then (1.2.2) introducing (III) into the product resulting from (1.2.1), then (1.3) extracting the solid-phase result from (1.Type: GrantFiled: August 30, 1989Date of Patent: April 9, 1991Inventors: Ralf Zolk, Juergen Kerth, Rainer Hemmerich
-
Patent number: 5006619Abstract: A catalyst and method in which the catalyst is used in association with an aluminum cocatalyst in the polymerization and copolymerization of 1-olefins. The catalyst is prepared by reacting certain multifunctional organic silicon compounds (silanes) with silica, alumina or the like having surface hydroxyl groups, or a mixture thereof, in which the silicon compound reacts with these surface hydroxyl groups, followed by reacting the product of this with a halide or alkoxide of a Group IVB or VB transition metal such as titanium, vanadium, zirconium or mixtures of these and finally reacting this product with a Group IIA organometallic compound or compound such as magnesium and calcium. The Group IIA organometallic compound can also be added before these transition metal compounds.Type: GrantFiled: February 27, 1984Date of Patent: April 9, 1991Assignee: Quantum Chemical CorporationInventors: Thomas J. Pullukat, Raymond E. Hoff
-
Patent number: 5001205Abstract: Disclosed is a process for preparing high molecular weight ethylene-.alpha.-olefin elastomers, preferably an ethylene-propylene elastomer, by liquid phase polymerization of the requisite monomers in the presence of a metallocene/alumoxane catalyst system. Preferably, the process is carried out as a slurry polymerization utilizing the metallocene/alumoxane catalyst in supported form on a silica gel support with the .alpha.-olefin monomer maintained in liquid state and used in excess to serve as a polymerization diluent. The metallocene component of the catalyst by which the process is practiced is of the formula: ##STR1## wherein M is zirconium, titanium or hafnium; each R.sup.1 independently is a C.sub.1 -C.sub.20 linear, branched or cyclic alkyl group or a C.sub.2 -C.sub.4 cyclic alkylene group which forms a fused ring system group; R.sup.2 is a C.sub.1 -C.sub.6 linear, branched or cyclic alkylene, a Si.sub.1 -Si.sub.Type: GrantFiled: July 17, 1989Date of Patent: March 19, 1991Assignee: Exxon Chemical Patents Inc.Inventor: Elvin L. Hoel
-
Patent number: 4999327Abstract: A vanadium-based catalyst is treated with certain silicon-containing compounds as a means of narrowing and effectively regulating the molecular weight distribution of the polymers produced with the catalyst.Type: GrantFiled: December 30, 1988Date of Patent: March 12, 1991Assignee: Union Carbide Chemicals and Plastics Company Inc.Inventors: Sun-Chueh Kao, Frederick J. Karol
-
Patent number: 4990479Abstract: An olefin polymerization catalyst formed from (A) a solid titanium catalyst component containing magnesium, titanium and halogen as essential ingredients, (B) an organoaluminum compound, and (C) an organosilicon compound containing a cyclopentyl group, a cyclopentenyl group, a cyclopentadienyl group or a derivative derived from any of these groups.A polymerization process which comprises polymerizing or copolymerizing olefins in the presence of the olefin polymerization catalyst to form a homopolyolefin having a high stereoregularity or a copolyolefin having a narrow composition distribution.Type: GrantFiled: June 15, 1989Date of Patent: February 5, 1991Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Naoshi Ishimaru, Mamoru Kioka, Akinori Toyota
-
Patent number: 4985515Abstract: There is provided a process for polymerization of an .alpha.-olefin which comprises polymerizing an .alpha.-olefin in the presence of a catalyst which is a combination of a solid component (A), which is obtained by subjecting a composition (A.sub.O) comprising as the essential ingredients titanium, magnesium and a halogen to preliminary polymerizatoin of the .alpha.-olefin conducted in the presence of said composition in a slurry and an organoaluminum compound, and an organoaluminum compound (B), said preliminary polymerization being conducted in two steps: the first step wherein the concentration of said composition (A.sub.O) in the slurry is adjusted to 10-100 g/lit.-solvent and polymerization of the .alpha.-olefin is conducted at 30.degree. C. or lower so that the amount of a polymer produced is 0.001 to 1 g per gram of said composition and the second step wherein polymerization of the .alpha.-olefin is conducted at 60.degree. C.Type: GrantFiled: July 17, 1989Date of Patent: January 15, 1991Assignee: Mitsubishi Petrochemical Company, Ltd.Inventors: Mitsuyuki Matsuura, Takashi Fujita
-
Patent number: 4981930Abstract: A method of producing a polyolefin. An olefin is polymerized in the presence of a catalyst containing (A) a catalyst component containing magnesium, titanium, halogen and an electron donor, (B) an organoaluminum compound and (C) an external electron donor which is an ether compound (C.sup.1) of the formula [1a]: ##STR1## or formula [1b]: ##STR2## wherein R.sup.1, R.sup.2, R.sup.4 and R.sup.7 are saturated or unsaturated aliphatic hydrocarbyl group having 1 to 7 carbon atoms; R.sup.3 and R.sup.6 are a hydrogen atom or a saturated or unsaturated aliphatic hydrocarbyl group having 1 to 7 carbons and R.sup.5 is a divalent aliphatic hydrocarbyl group having 1 to 7 carbon atoms. The catalyst used in the polymerization may also contain a carboxylate, organosilicon compound and/or an azo compound.Type: GrantFiled: March 22, 1988Date of Patent: January 1, 1991Assignee: Idemitsu Petrochemical Company LimitedInventors: Hideo Funabashi, Akira Tanaka, Rikuo Ohnishi
-
Patent number: 4972034Abstract: A catalyst for the polymerization of olefins comprising a combination of a solid catalyst component (A) comprising a solid catalytic complex (i) containing titanium, magnesium and a halogen as the essential ingredients with an organoaluminium compound (B), wherein said solid catalyst component (A) is obtained by bringing the following ingredients (ii) and (iii) in contact with said solid catalytic complex (i):Ingredient (ii): a silicon compound represented by the general formula:R.sub.m.sup.1 X.sub.n Si(OR.sup.2).sub.4-m-nwherein R.sup.1 and R.sup.2 each stand for a hydrocarbyl residue, X denotes a halogen, and m and n are such that 0.ltoreq.m.ltoreq.3 and 0.ltoreq.n.ltoreq.3 are satisfied on condition that 0.ltoreq.m+n.ltoreq.3, andIngredient (iii): an organometallic compound selected from the group consisting of organozinc compounds and organomagnesium compounds. The catalyst makes it possible to eliminate what is called "outside electron donor" as a component for making up a final catalyst system.Type: GrantFiled: August 1, 1989Date of Patent: November 20, 1990Assignee: Mitsubishi Petrochemical Company LimitedInventors: Mitsuyuki Matsuura, Takashi Fujita
-
Patent number: 4968653Abstract: A solid catalyst component and catalyst system, and method for the homopolymerization of propylene or copolymerization of a major amount of propylene with one or more other 1-olefins are disclosed. The solid catalyst component is used in combination with a complex of an alkyl aluminum cocatalyst compound and an electron donor stereoregulating agent. The solid catalyst component is prepared by reacting a silica-containing support material with a magnesium silylamide compound, an electron donor stereoregulating agent, and a halogenated tetravalent titanium compound.Type: GrantFiled: June 30, 1989Date of Patent: November 6, 1990Assignee: Quantum Chemical CorporationInventors: Craig C. Meverden, Thomas J. Pullukat
-
Patent number: 4954471Abstract: Disclosed is a homogeneous vanadium catalyst composition prepared by the reaction of an alkylaluminum dihalide with a solid reaction product produced by reacting (A) a silicon alkoxide, (B) a hydrocarbon soluble vanadium compound, and (C) a trialkylaluminum. The solid reaction product may be produced by complexing the (A) silicon alkoxide first with either the (B) vanadium compound or the (C) trialkylaluminum. The intermediate complex (I) of such reaction is then treated with the remaining reagent (either the vanadium compound or the trialkylaluminum as the case may be) whereupon the solid reaction product (II) is formed. The solid reaction product (II) of the silicon alkoxide-vanadium compound/trialkylaluminum reaction is then reacted with (D) an alkylaluminum dihalide to produce a homogeneous hydrocarbon soluble product (III) which is highly active for catalyzing the polymerization of olefins to a polyolefin having a narrow molecular weight distribution.Type: GrantFiled: November 28, 1988Date of Patent: September 4, 1990Assignee: Exxon Chemical Patents Inc.Inventor: Steven A. Best
-
Patent number: 4945142Abstract: A catalyst and method is provided for the production of ultra-high molecular weight polymers characterized as having an inherent viscosity of above 12.0 by contacting ethylenically unsaturated monomers with a dual electron donor catalyst under polymerization conditions.Type: GrantFiled: November 14, 1988Date of Patent: July 31, 1990Assignee: Conoco Inc.Inventors: Donald E. Gessell, Donald P. Hosman
-
Patent number: 4937301Abstract: This invention relates to a process for preparing a supported metallocene alumoxane catalyst for use in the gas phase polymerization of olefins. The invention particularly relates to the use of silica gel containing from about 6 to about 10 percent by weight adsorbed water as the catalyst support material. It has been found that such silica gel may be safely added to an aluminum trialkyl solution to form by direct reaction with the adsorbed water content of the silica gel catalyst support material the alumoxane component of the catalyst system. An alumoxane coated silica gel is formed to which a metallocene may be added and the resulting material dried to free flowing powder. The dry free flowing powder may then be used as a supported metallocene alumoxane catalyst complex for gas phase polymerization of olefins.Type: GrantFiled: November 29, 1988Date of Patent: June 26, 1990Assignee: Exxon Chemical Patents Inc.Inventor: Main Chang
-
Patent number: 4931517Abstract: A process for the polymerization of ethylene comprises bringing ethylene or ethylene and at least one .alpha.-olefin in contact with a catalyst comprising a metallocene compound of a transition metal selected from Groups IVB, VB and VIB, an aluminoxane and a silicon compound having an Si-O-C bond for polymerization. The use of the silicon compound having an Si-O-C bond in the catalysis by a combination of a metallocene compound and an aluminoxane results in the production of ethylene polymers having a lower melt flow rate (MFR) than those produced similarly except for the silicon compound not being used.Type: GrantFiled: August 12, 1988Date of Patent: June 5, 1990Assignee: Mitsubishi Petrochemical Company LimitedInventor: Takashi Fujita
-
Patent number: 4861847Abstract: A catalyst system for use in olefinic polymerization and copolymerization is comprised of components (A), (B) and (C). The catalyst component (A) consisting essentially of titanium, magnesium, halogen, polycarboxylic acid esters and organic phosphorus compounds is a solid product, being prepared by mixing titanium tetrahalide and auxiilary precipitant with a homogeneous solution of magnesium halide in a solvent system consisting essentially of an organic epoxy compound and an organic phosphorus compound to form a solid product which is then treated with a polycarboxylic acid ester and titanium tetrahalide. Component (B) is an organic aluminum compound, and component (C) is an organic silicon compound. The catalyst system has very high activity, and the resultant polymers have very high stereospecificity and good granular appearance.Type: GrantFiled: June 24, 1988Date of Patent: August 29, 1989Assignees: Beijing Research Institute of Chemical Industry, China Petrochemical Corp.Inventors: Bingquan Mao, Aichun Yang, Ying Zheng, Juxiou Yang, Zhulan Li
-
Patent number: 4857613Abstract: Polymers of propene are prepared using a Ziegler-Natta catalyst system consisting of (1) a titanium component which is based on a finely divided, shape-imparting silica gel and contains titanium, magnesium, chlorine and a benzenecarboxylic acid derivative, (2) an aluminum component and (3) a silane component. In the process, a titanium component (1) is employed which is obtained by (1.1) first preparing (I) a carrier from (Ia) a silica gel which has a relatively high moisture content, (Ib) an organomagnesium compound and (Ic) a gaseous chlorinating agent by a method in which (1.1.1) first (Ia) is reacted with (Ib), (1.1.2) then (Ic) is passed into the mixture obtained in (1.1.1), and (I) is isolated, (1.2) thereafter a solid-phase intermediate is prepared from (I), (II) an alkanol, (III) titanium tetrachloride and (IV) a phthalic acid derivative by a procedure in which (1.2.1) first (I) is reacted with (II), (1.2.2) then (III) is introduced into the mixture resulting from (1.2.Type: GrantFiled: August 25, 1988Date of Patent: August 15, 1989Assignee: BASF AkteingesellschaftInventors: Ralf Zolk, Juergen Kerth, Rainer Hemmerich
-
Patent number: 4843133Abstract: Polymerization of olefins in the presence of a catalyst system comprising a titanium-containing component A associated with a chemically treated silica-containing composition and a dihydrocarbylmagnesium compound and a cocatalyst component B comprising metal hydride or organometal compound derived from an element of Groups IA-IIIA of the Periodic Table.Type: GrantFiled: June 10, 1985Date of Patent: June 27, 1989Assignee: Phillips Petroleum CompanyInventors: James N. Short, Max P. McDaniel
-
Patent number: 4841003Abstract: A process for producing a polymer or copolymer of an olefin which comprises polymerizing or copolymerizing at least one olefin with or without a diolefin in the presence of a catalyst composed of (A) a magnesium-containing solid titanium catalyst component containing magnesium, titanium, a halogen and an electron donor as essential ingredients and (B) an organoaluminum compound catalyst component; characterized in that(1) said catalyst further comprises (C) an organic silicon compound catalyst component having an Si--O--C or Si--N--C bond, and(2) said electron donor in the catalyst component (A) is a cyclic mono- or poly-ester such as diethyl cyclohexene-1,2-dicarboxylate, di-n-butyl 1,3-cyclohexadiene-1,2-dicarboxylate, diethyl furane-3,4-dicarboxylate, di-n-butyl 3,4-dihydro-2H-pyrane-5,6-dicarboxylate, diethyl ester of cyclohexene-1,6-dicarboxylic acid, and so on.Type: GrantFiled: September 22, 1987Date of Patent: June 20, 1989Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Norio Kashiwa, Akinori Toyota, Mamoru Kioka
-
Patent number: 4804726Abstract: A manufacturing method of polyolefin characterized in that at least one kind of olefins is allowed to polymerize in the presence of a catalyst system comprising(A) solid catalyst ingredient (A) obtained through the successive reaction steps, wherein, with a homogeneous solution involving(i) at least one member selected from metallic magnesium and hydroxylated organic compounds and oxygen-containing organic compounds of magnesium, and(ii) at least one kind of oxygen-containing organic compounds of titanium, are allowed to react in sequence with:(iii) at least one kind of organoaluminum compounds, then(iv) at least one kind of silicon compounds and further(V) at least one kind of halogenated aluminum compounds and(B) at least one kind of catalyst ingredients (B) selected from organometallic compounds, the metal of which belongs to Ia, IIa, IIb, IIIb or IVb group in the periodic table.Type: GrantFiled: May 16, 1988Date of Patent: February 14, 1989Assignee: Ioyo Soda Manufacturing Co., Ltd.Inventors: Yozo Kondo, Mitsuhiro Mori, Morihiko Sato, Toshikazu Chikusa, Hitoshi Ito
-
Patent number: 4742132Abstract: A process for polymerizing or copolymerizing ethylene, characterized in that ethylene or a mixture of ethylene with other .alpha.-olefin is polymerized in the presence of a catalyst comprising:[I] a solid catalyst component (B) obtained by reacting the following three components:(a) a reaction product (A) of an organomagnesium compound with a hydropolysiloxane or a silicon compound in which organic groups and hydroxyl groups are bonded to silicon atoms,(b) a silicon compound of the formula R.sub.l.sup.1 Si(OR.sup.2).sub.m X.sub.4-(l+m), wherein R.sup.1 is a hydrogen atom or a hydrocarbon group having from 1 to 8 carbon atoms, R.sup.2 is a hydrocarbon group having from 1 to 12 carbon atoms, X is a halogen atom, l is 0, 1 or 2, and m is a number of from 0 to 4, and(c) a titanium compound of the formula Ti(OR.sup.3).sub.n X.sub.4-n, wherein R.sup.Type: GrantFiled: October 21, 1986Date of Patent: May 3, 1988Assignee: Nissan Chemical Industries, Ltd.Inventors: Hiroshi Morinaga, Shigeharu Yamamoto, Sakae Kamiyama, Takeshi Iwabuchi
-
Patent number: 4740570Abstract: Metal halide particles useful, among other things, as olefin polymerization catalyst precursors and catalyst supports, are prepared by vaporizing the metal halide and then condensing it in the presence of a diluent.Type: GrantFiled: November 13, 1986Date of Patent: April 26, 1988Assignee: E. I. Du Pont de Nemours and CompanyInventors: Ulrich Klabunde, Rolf Mulhaupt
-
Patent number: 4725656Abstract: A process for producing a polymer or copolymer of an olefin which comprises polymerizing or copolymerizing at least one olefin with or without a diolefin in the presence of a catalyst composed of (A) a magnesium-containing solid titanium catalyst component containing magnesium, titanium, a halogen and an electron donor as essential ingredients and (B) an organoaluminum compound catalyst component; characterized in that(1) said catalyst further comprises (C) an organic silicon compound catalyst component having an Si-O-C or Si-N-C bond, and(2) said electron donor in the catalyst component (A) is selected from the group consisting of a cyclic mono- or poly-ester such as, diethyl cyclohexene-1,2-dicarboxylate, diethyl furane-3,4-dicarboxylate, di-isobutyl pyrrole-2,3-dicarboxylate, diethyl cyclohexene-1,6-dicarboxylate, di-n-propyl 1,2-benzenediacetate, and n-butyl tetrahydrothiophene-2,3-dicarboxylate.Type: GrantFiled: October 7, 1985Date of Patent: February 16, 1988Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Norio Kashiwa, Akinori Toyota, Mamoru Kioka
-
Patent number: 4724255Abstract: Catalysts for polymerization and copolymerization of olefins to form polymers having a high degree of isotacticity and fast rate of crystal transformation. The catalysts embody a component made by chlorinating a magnesium alkyl with chlorine or a mixture of chlorine and alkyl chloride to form a carrier, contacting the carrier first with liquid TiCl.sub.4, then with a Lewis base, and after that at least once with TiCl.sub.4 in the absence of Lewis base.Type: GrantFiled: December 22, 1986Date of Patent: February 9, 1988Assignee: Neste OyInventors: Barbro U. Lofgren, Luciano Luciani, Hanneli Seppanen, Maria H. Stjernberg, Eero I. Iiskola
-
Patent number: 4716205Abstract: Preparation of polyethylene in the presence of selected nickel-containing catalysts.Type: GrantFiled: October 15, 1985Date of Patent: December 29, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: Ulrich Klabunde
-
Patent number: 4711865Abstract: A catalyst for the polymerization of olefins, said catalyst comprising a transition metal containing support catalyst component and an aluminum alkyl cocatalyst, said transition metal containing catalyst component obtained by contacting an inorganic metal oxide with an organomagnesium compound and an alcohol, drying the contact product, treating the dried contact product with an acyl halide, a halogen such as chlorine, a transition metal halide such as titanium tetrachloride, and in the last step treating the titanium-containing component with an organoaluminum compound such as tri-n-hexylaluminum.Type: GrantFiled: December 18, 1986Date of Patent: December 8, 1987Assignee: Exxon Chemical Patents Inc.Inventor: Anthony N. Speca
-
Patent number: 4701506Abstract: Ethylene and alpha-olefins are homopolymerized or copolymerized with another olefin monomer in the presence of a catalyst system comprising an organo metal cocatalyst and a titanium-containing catalyst component, said titanium-containing catalyst component being obtained by reacting in the presence of a porous particulate material, a halogen, an organic magnesium compound, an oxygen-containing compound, titanium tetrachloride and treating the solids with an organometallic compound of a Group IIa, IIb or IIIa metal.Type: GrantFiled: July 30, 1986Date of Patent: October 20, 1987Assignee: Exxon Chemical Patents Inc.Inventors: Agapios K. Agapiou, Michael E. Muhle, Myron B. Kurtzman
-
Patent number: 4699961Abstract: Catalysts having high efficiency in preparing olefin polymers while controlling molecular weight distribution are disclosed. The catalysts utilize magnesium siloxide supports and the product polymer molecular weight distribution can be controlled by the catalyst preparation.Type: GrantFiled: June 16, 1986Date of Patent: October 13, 1987Assignee: E. I. Du Pont de Nemours & Co.Inventor: Donald E. Gessell
-
Patent number: 4693990Abstract: A titamium containing catalyst component for olefin polymerizations which comprises contacting (a) a metal oxide, (b) a dihydrocarbyl magnesium, and (c) a hydrocarbyloxy group-containing compound with one another, contacting the thus obtained contact product with (d) a halogen-containing alcohol, and finally contacting the thus obtained contact product with (e) an electron donor compound and (f) a titanium compound.Type: GrantFiled: July 3, 1986Date of Patent: September 15, 1987Assignee: Toa Nenryo Kogyo Kabushiki KaishaInventors: Furuhashi Hiroyuki, Tadashi Yamamoto, Masafumi Imai, Hiroshi Ueno
-
Patent number: 4689368Abstract: The invention relates to a catalyst system comprising (a) a compound of a rare earth element and, as cocatalyst, a second component (b) comprising an organomagnesium compound. In the polymerization of a conjugated diene this catalyst gives a polymer having a very high content of trans 1,4 isomer. A third component (c) which is a Lewis acid alters the reaction to give a polymer having a very high content of cis 1,4 isomer. If desired reaction can be initiated using components (a) and (b) alone and component (c) then added at the desired conversion to produce a block polymer having a block of high trans content followed by a block of high cis content.Type: GrantFiled: August 4, 1986Date of Patent: August 25, 1987Assignee: Enoxy Chemical LimitedInventor: Derek K. Jenkins
-
Patent number: 4680351Abstract: A highly active catalyst suitable for the polymerization of olefins and its use are disclosed, said catalyst being prepared by(1) co-comminuting an aluminum halide; at least one electron donor; a Group IVB-VIB transition metal compound; and a support base selected from the group consisting of the Group IIA and IIIA salts and the salts of the multivalent metals of the first transition series with the exception of copper to produce a coground solid;(2) extracting said coground solid with an organic liquid; and(3) separating the solid from the liquid under such conditions that at least 5 weight percent of the aluminum in the coground solid is removed.Type: GrantFiled: October 10, 1986Date of Patent: July 14, 1987Assignee: Phillips Petroleum CompanyInventors: Nemesio D. Miro, Floyd E. Farha, Charles E. Capshew
-
Patent number: 4675368Abstract: Process for inhibiting crust formation in reactors used for polymerising alpha-olefines, such as ethylene and propylene, in the presence of particles of catalytic solids containing titanium and chlorine in the combined state.The polymerisation is carried out in the presence of an amount of a silicone oil which is less than 1% by weight, relative to the weight of catalytic solid.Type: GrantFiled: July 9, 1985Date of Patent: June 23, 1987Assignee: Solvay & Cie.Inventors: Charles Bienfait, Leopold Demiddeleer
-
Patent number: 4668753Abstract: A film-forming propylene copolymer composed of a major amount of propylene and a minor amount of ethylene, characterized by having(A) an ethylene content (Ec) of from 0.1 mole % to 2.0 mole % based on the total amount of propylene and ethylene, and(B) an isotactic value (Iso) in the range represented by the following formula (1) or (2),(i) when 0.1.ltoreq.Ec.ltoreq.0.3,Iso.gtoreq.-5Ec30 96.3 (%) (1),and(ii) when 0.3<Ec.ltoreq.2.0,Iso.gtoreq.-0.67Ec30 95.0 (%) (2)wherein Ec0 represents the numerical value of Ec (mole %);a film of the copolymer; and a process for producing the film.Type: GrantFiled: August 25, 1986Date of Patent: May 26, 1987Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Norio Kashiwa, Mamoru Kioka, Masaki Kohyama, Masanobu Ishiyama