Non-metal Material Is Organic Oxygen-containing Compound Patents (Class 526/142)
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Patent number: 7649062Abstract: A solid titanium catalyst component (I) of the present invention is characterized in that it contains titanium, magnesium, halogen, and a cyclic ester compound (a) represented by the following formula (1): wherein n is an integer of 5 to 10; R2 and R3 are each independently COOR1 or R, and at least one of R2 and R3 is COOR1; a single bond (excluding Ca—Ca bonds, and a Ca—Cb bond in the case where R3 is R) in the cyclic backbone may be replaced with a double bond; a plurality of R1's are each independently a monovalent hydrocarbon group having 1 to 20 carbon atoms; and a plurality of R's are each independently a hydrogen atom or a substituent, but at least one of R's is not a hydrogen atom. When using this solid titanium catalyst component (I), an olefin polymer having a broad molecular weight distribution can be produced.Type: GrantFiled: July 26, 2007Date of Patent: January 19, 2010Assignee: Mitsui Chemicals, Inc.Inventors: Kazuhisa Matsunaga, Hisao Hashida, Toshiyuki Tsutsui, Kunio Yamamoto, Atsushi Shibahara, Tetsunori Shinozaki
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Patent number: 7649061Abstract: The invention relates to a process for preparing a poly-1-olefin by polymerization of a 1-olefin of the formula R4CH?CH2, where R4 is hydrogen or an alkyl radical having from 1 to 10 carbon atoms, in suspension, in solution or in the gas phase, at a temperature of from 20 to 200° C. and a pressure of from 0.Type: GrantFiled: July 27, 2005Date of Patent: January 19, 2010Assignee: Basell Polyolefine GmbHInventor: Friedhelm Gundert
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Publication number: 20090264607Abstract: The present invention relates to a process for the production of a high melt flow propylene homopolymer or random copolymer with low odor and low volatiles content, which is suitable for thin-walled injection molding applications, said process comprising the step of polymerizing propylene and one or more optional comonomers in presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a diether compound as internal electron donor, both supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor.Type: ApplicationFiled: April 24, 2007Publication date: October 22, 2009Applicant: TOTAL PETROCHEMICALS RESEARCH FELUYInventors: Valerie Terreur, Jerome Gromada
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Patent number: 7598333Abstract: Low-viscosity drag reducers, systems for delivering low-viscosity drag reducers, and methods of making low-viscosity drag reducers are disclosed. The low-viscosity drag reducers have a viscosity less than 350 cP at a shear rate of 250 sec?1 and a temperature of 60° F. This low-viscosity allows the drag reducers to be delivered through a long and relatively small diameter conduit of a subsea umbilical line without an unacceptable level of pressure drop or plugging of the conduit. The low-viscosity drag reducers can be delivered to a subsea flowline carrying fluids produced from a subterranean formation to thereby provide significant drag reduction in the flowline.Type: GrantFiled: September 30, 2005Date of Patent: October 6, 2009Assignee: ConocoPhillips CompanyInventors: Timothy L. Burden, Kenneth L. Smith, Allan Browne, William F. Harris
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Patent number: 7582712Abstract: Methods and apparatus to form a catalyst precursor, comprising combining in a reactor magnesium, an alkoxysilane compound, a halogenized silicon compound, a halogenized transition metal compound, a substituted aromatic furan compound having a structural formula, and an alkyl halide or aromatic halide compound to obtain a solid catalyst precursor, wherein the alkoxysilane compound and halogenized silicon compound are combined prior to either being exposed to the halogenized transition metal compound, and wherein the alkyl halide or aromatic halide compound is introduced to the reactor as the final step.Type: GrantFiled: May 9, 2008Date of Patent: September 1, 2009Assignee: Formosa Plastics Corporation, U.S.A.Inventors: Guangxue Xu, Honglan Lu
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Patent number: 7566676Abstract: The present invention relates to a preparation method of solid titanium catalyst for olefin polymerization comprising the steps of: (1) preparing a magnesium compound solution by dissolving a magnesium halide compound into a mixed solvent of a cyclic ether and one or more of alcohol; (2) preparing a carrier by adding firstly a titanium halide compound to the magnesium compound solution at low temperature, elevating the temperature of the resulted solution or aging it, and then thereto adding secondly the titanium halide compound additionally; (3) preparing a titanium catalyst by reacting the carrier with a titanium compound and an electron donor; and (4) washing the titanium catalyst with hydrocarbon solvent at high temperature.Type: GrantFiled: October 15, 2004Date of Patent: July 28, 2009Assignee: Samsung Total Petrochemicals Co., Ltd.Inventors: Chun-Byung Yang, Ho-Sik Chang, Ki-Hwa Lee
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Patent number: 7560521Abstract: A catalyst component for the polymerization of olefins comprising a titanium compound, a Mg-dihalide, a difunctional electron donor compound (ED) selected from diesters, diketones, diamines or diethers, and a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, wherein a molar ratio ED/MD is higher than 10.Type: GrantFiled: August 5, 2005Date of Patent: July 14, 2009Assignee: Basell Poliolefine Italia S.p.A.Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
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Patent number: 7482413Abstract: The present invention relates to MgCl2.(EtOH),m(ROH)n(H2O)p adduct in which R is a C1-C15 hydrocarbon group different from ethyl, n and m are indexes, higher than 0, satisfying the equations (n+m)?0.7 and 0.05?n/(n+m)?0.95 and p is a number ranging from 0 to 0.7 with the proviso that when R is methyl and (n+m) is in the range of 0.7 to 1, the value of n/(n+m) ranges from 0.05 to 0.45. The catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity with respect to the catalysts prepared from the adducts of the prior art.Type: GrantFiled: March 9, 2004Date of Patent: January 27, 2009Assignee: Basell Poliolefine Italia s.r.l.Inventors: Giampiero Morini, Giulio Balbontin, Fabrizio Piemontesi, Maria Fusto, Gianni Vitale, Giansiro Prini
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Publication number: 20080319148Abstract: A process for producing a modified particle, which comprises the step of contacting a compound (a) defined by the formula, M1L13, a compound (b) defined by the formula, R1t-1TH, a compound (c) or (e) defined by the formula, R2m-uM2(OH)u or R24-nJ(OH)n, respectively, and a particle (d) with one another; a carrier comprising a modified particle produced by said process; a catalyst component (A) comprising a modified particle produced by said process; a process for producing a catalyst for addition polymerization, which comprises the step of contacting said catalyst component (A), a transition metal compound (B) and an optional organoaluminum compound (C) with one another; and a process for producing an addition polymer, which comprises the step of addition polymerizing an addition-polymerizable monomer in the presence of a catalyst for addition polymerization produced by said process.Type: ApplicationFiled: April 7, 2008Publication date: December 25, 2008Inventors: Hideki Oshima, Makoto Satoh
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Patent number: 7465776Abstract: High melt flow rate high crystallinity polypropylene homopolymer are produced in a bulk polymerization process using a Ziegler-Natta catalyst containing a combination of two internal electron donors and selected external donors. The high melt flow rate, high crystallinity polypropylene homopolymers produced according to the current invention display improved flexural modulus and tensile yield stress when nucleated.Type: GrantFiled: May 30, 2007Date of Patent: December 16, 2008Assignee: Sunoco, Inc. (R&M)Inventors: Craig Meverden, Andrew Schnitgen, Sehyun Kim
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Patent number: 7417098Abstract: Process for the emulsion polymerization of one or more olefins by reacting a quinoid compound with a metal compound and a phosphine compound which is substituted by at least one polar radical and subsequently using the reaction product for the polymerization or copolymerization of olefins in water or in a solvent mixture which contains at least 50% by weight of water and at least one emulsifier.Type: GrantFiled: November 6, 2004Date of Patent: August 26, 2008Assignee: BASF SEInventors: Mubarik Mahmood Chowdhry, Xavier Sava, Monica Haag, Jacob Wildeson, Stefan Mecking, Ludmila Kolb
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Patent number: 7402638Abstract: The present invention relates to a propylene random copolymer which satisfies the following requirements [1] to [4], and to various useful molded products obtained by molding the propylene random copolymer: [1] the concentration (Pa, % by mole) of a skeletal constituent derived from propylene (a), and the concentration (Px, % by mole) of a skeletal constituent derived from at least one olefin selected from ethylene (b) and ?-olefins having 4 to 20 carbon atoms (c), each of which is contained in the propylene random copolymer, satisfy the following relational expressions (Eq-1) to (Eq-3): 85?Pa<100??(Eq-1) 0<Px?15??(Eq-2) Pa+Px=100;??(Eq-3) [2] the concentration (Pa, % by mole) of the skeletal constituent derived from propylene (a) contained in the propylene random copolymer, and the melting point (Tm) measured with a differential scanning calorimeter satisfy the following relational expression (Eq-4): 135?4×(100?Pa)<Tm<165?4×(100?Pa);??(Eq-4) [3] the total amount of 2,1-bonded and 1,3-bonType: GrantFiled: August 20, 2004Date of Patent: July 22, 2008Assignee: Mitsui Chemicals, Inc.Inventors: Shuji Matsumura, Keita Itakura, Satoshi Hashizume, Akihiro Inukai, Kouichirou Yamamoto, Ayako Kadosaka, Yoshio Sasaki, Masashi Higuchi, Hiroshi Nishikawa
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Solid catalyst component for polymerization of olefins, catalyst comprising the same and use thereof
Patent number: 7388061Abstract: The present invention provides a solid catalyst component for the polymerization of olefins, comprising magnesium, titanium, a halogen and an electron donor, wherein said electron donor comprises at least one selected from the group consisting of ester of polyol of the formula (I): R1CO—O—CR3R4—A—CR5R6—O—CO—R2??(I) wherein, R1 and R2 groups, which may be identical or different, can be substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R3-R6 groups, which may be identical or different, can be selected from the group consisting of hydrogen, halogen or substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R1-R6 groups optionally contain one or more hetero-atoms replacing carbon, hydrogen atom or the both, said hetero-atom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen atom, two or more of R3-R6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring A is a single bond or bivalent linking group witType: GrantFiled: January 30, 2003Date of Patent: June 17, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Mingzhi Gao, Haitao Liu, Zhulan Li, Jun Wang, Juxiu Yang, Tianyi Li, Xiaodong Wang, Changxiu Li, Chunming Ding -
Patent number: 7351678Abstract: The invention relates to the use of nitrogenous aluminium organyl complexes of general formula (I) as co-catalysts in heterogeneous polymerisation reactions of propene. In said formula: R, R?, R1 and R1? independently of one another represent branched or unbranched C1-C7 alkyl, cycloalkyl, alkenyl, cycloalkenyl, aryl or alkynyl; R2 represents unsubstituted, monoalkylated or polyalkylated and/or monofluorinated or polyfluorinated aromatic hydrocarbons from group (II); R3 and R4 independently of one another represent CH2, CF2 oder C(R1)2; m stands for 0, 1 or 2; n stands for 0, 1 or 2; o stands for 0 or 1, all independently of one another.Type: GrantFiled: September 11, 2002Date of Patent: April 1, 2008Assignee: Merck Patent GmbHInventors: Kartin Köhler, Herbert Schumann, Birgit Corinna Wassermann, Wilfried Wassermann, Katharina Lange, Sebastian Dechert, Markus Hummert, Stefan Schutte, Walter Kaminsky, Andrea Eisenhardt, Björn Heuer, Andre Laban
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Patent number: 7351778Abstract: The present invention provides a catalyst component for polymerization of olefin CH2?CHR, in which R is hydrogen or C1-C12 alkyl or aryl, comprising magnesium, titanium, a halogen and an electron donor compound (a) which is at least one selected from the group consisting of dibasic ester compounds of the formula (I), and said catalyst component optionally further comprising an electron donor compound (b) selected from the group consisting of aliphatic dicarboxylic esters and aromatic dicarboxylic esters, and/or an electron donor compound (c) selected from the group consisting of 1,3-diether compounds of formula (IV): wherein, R1, R? and A are as defined in the description, wherein RI-RVIII are as defined in the description, and a catalyst comprising the catalyst component.Type: GrantFiled: April 28, 2005Date of Patent: April 1, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry China Petroleum & Chemical CorporationInventors: Mingzhi Gao, Haitao Liu, Tianyi Li, Xianzhong Li, Changxiu Li, Jiyu Li, Lingyan Xing, Juxiu Yang, Jing Ma, Xiaodong Wang, Chunmin Ding
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Patent number: 7329713Abstract: Zero VOC compositions are described and may include: one of vinyl ester solids, unsaturated polyester solids (e.g., isophthalic polyester, orthophthalic polyester, terephthalic polyester, and mixtures thereof), and mixtures thereof; polymerizable solids (e.g., a monomer, an oligomer, and mixtures thereof); and/or at least one photochemical catalyst. Zero VOC compositions may be produced by: heating polymerizable solids to a range of about 300° F. to about 500° F.; and adding one of vinyl ester solids, unsaturated polyester solids, and mixtures thereof. Additional steps may include reducing the heat to about 70° F. to about 100° F. and adding at least one photochemical catalyst and/or at least one additive. Zero VOC compositions may be curable without requiring evaporation of a VOC there from upon exposure to ultraviolet light and/or mixing with at least one thermal catalyst.Type: GrantFiled: May 21, 2004Date of Patent: February 12, 2008Inventor: Ronald A. Schorr
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Patent number: 7329626Abstract: A method for making a solid catalytic component for a Ziegler-Natta catalyst includes contacting a particulate porous support with a solution of a hydrocarbon soluble organomagnesium precursor compound in a hydrocarbon solvent; and reacting said hydrocarbon soluble organo-magnesium precursor compound with an amount of aliphatic or aromatic alcohol, said amount being within an acceptable range of a molar equivalent of aliphatic or aromatic alcohol calculated according to formula (I): Equ Alkanol = 2 ? · [ ( mmole ? ? MgR ? / ? g ? ? support ) - 2.1 - 0.Type: GrantFiled: September 7, 2004Date of Patent: February 12, 2008Assignee: Lummus Novolen Technology GmbHInventors: Frank Wolf Spaether, David Andrew Presken
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Patent number: 7319083Abstract: A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst precursor are poiymerizable by free-radical polymerization and wherein the catalyst precursor compound is represented by the formula: wherein each X is an abstractable ligand; each R, R?, R?, R??, Rp1 and Rp2 is independently hydrogen or a hydrocarbyl group provided at least one of Rp1, Rp2, and R?? can be polymerized by a free radical initiator; and M is a Group-4-11 metal.Type: GrantFiled: October 24, 2003Date of Patent: January 15, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Guo-Xin Jin, Zerong Lin, Robert J. Wittenbrink, Chang-Kun Liu
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Patent number: 7316987Abstract: Catalyst component for the polymerization of olefins obtainable by contacting: (i) a magnesium halide, or a suitable precursor; (ii) a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, used in such amounts to have Mg/MD molar ratios of at least 50; (iii) a titanium compound of formula Ti(ORI)n-yXy, where n is the valence of titanium, y is a number between 1 and n, X is halogen, and RI is a C1-C15 hydrocarbon group and, optionally, (iv) an electron donor compound (ED). The said catalyst component shows improved activity in the polymerization of olefins.Type: GrantFiled: June 24, 2002Date of Patent: January 8, 2008Assignee: Basell Poliolefine Italia S.p.A.Inventors: Gianni Collina, Ofelia Fusco, Diego Brita
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Patent number: 7288319Abstract: Chemically cross-linked polymeric particles are formed using mechanical rather than chemical processes, facilitating production of small-diameter particles in a manner largely independent of the viscosity or density of the polymer. For example, an uncross-linked resin may be provided in particulate form, agglomerated, and compressed into a mass of a desired shape with a desired diameter, and subsequently cross-linked.Type: GrantFiled: March 31, 2006Date of Patent: October 30, 2007Assignee: Boston Scientific SciMed Inc.Inventors: Samuel P. Baldwin, Robert P. Skribiski
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Patent number: 7262258Abstract: There are provided (I) a process for producing a copolymer of ethylene, an ?-olefin having from 3 to 20 carbon atoms and optionally a polyene, which comprises the step of copolymerizing those monomers in a polymerization reactor by feeding the following components (A), (B), (C1) and (D) to the polymerization reactor: (A) a transition metal complex, (B) an organic aluminum compound, (C1) a halogen-containing compound, and (D) a Lewis base, wherein those components are fed to the polymerization reactor without a preliminary contact of (1) the component (A) with the component (B), (2) the component (A) with the component (C1), (3) the component (B) with the component (C1), and (4) the component (B) with the component (D); and (II) a process for producing said copolymer, which comprises the step of copolymerizing those monomers in a polymerization reactor (i) by feeding to the polymerization reactor the components (A), (B), (D), (C2) a halogen-containing compound, which is a derivative of an aryl group-contaiType: GrantFiled: July 8, 2004Date of Patent: August 28, 2007Assignee: Sumitomo Chemical Company, LimitedInventors: Jun Kawashima, Katsunari Inagaki, Tatsuo Sassa
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Patent number: 7256150Abstract: A process for producing a Gp 2/transition metal olefin polymerisation catalyst component, in which a Gp 2 complex is reacted with a transition metal compound so as to produce an oil-in-oil emulsion, the disperse phase containing the preponderance of the Gp 2 metal being selectively sorbed on a carrier to provide a catalyst component of excellent morphology. Polymerisation of olefins using a catalyst containing such a component is also disclosed.Type: GrantFiled: June 18, 2002Date of Patent: August 14, 2007Assignee: Borealis Polymers OyInventors: Peter Denifl, Timo Leinonen
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Patent number: 7238756Abstract: Methods of controlling the flow index and/or molecular weight split of a polymer composition are disclosed. The method of producing a polymer composition in one embodiment comprises incorporating a high molecular weight polymer into a low molecular weight polymer to form the polymer composition in a single polymerization reactor in the presence of polymerizable monomers, a bimetallic catalyst composition and at least one control agent; wherein the control agent is added in an amount sufficient to control the level of incorporation of the high molecular weight polymer, the level of low molecular weight polymer, or both. Examples of control agents include alcohols, ethers, amines and oxygen.Type: GrantFiled: October 15, 2003Date of Patent: July 3, 2007Assignee: Univation Technologies, LLCInventors: Fred D. Ehrman, Pradeep P. Shirodkar, Mark Bradley Davis, Daniel P. Zilker, Jr., Porter C. Shannon
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Patent number: 7223712Abstract: An internal electron-donor compound selected from the 1,3-diethers of formula (I) in which R is a C1–C10 alkyl group, R1 is a linear or branched primary alkyl radical having at least three carbon atoms, optionally containing a heteroatom, and R2 is a secondary alkyl or cycloalkyl radicals different from i-propyl, optionally containing a heteroatom.Type: GrantFiled: October 22, 2004Date of Patent: May 29, 2007Assignee: Basell Poliolefine Italia S.p.A.Inventors: Giampiero Morini, Giulio Balbontin, Ronald R. Andrea, Van Loon Jan Dirk
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Patent number: 7220694Abstract: The invention relates to a magnesium compound effective in producing olefin polymers having an increased bulk density and a narrowed particle size distribution, not lowering the stereospecificity of the polymers produced and not lowering the polymerization activity in producing the polymers, to an olefin polymerization catalyst comprising the compound, and to a method for producing such olefin polymers. The olefin polymerization catalyst comprises (A) a solid catalyst component prepared by contacting a magnesium compound having a specific particle size distribution index (P), a titanium compound and an electron donor compound with each other, (B) an organometallic compound, and (C) an electron donor. The olefin polymerization method comprises polymerizing an olefin in the presence of the catalyst to give olefin polymers.Type: GrantFiled: April 26, 2004Date of Patent: May 22, 2007Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shohjiroh Tanase, Takehiro Tsuda, Tsuyoshi Ota, Hideo Funabashi
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Patent number: 7214744Abstract: A catalyst system comprising (i) a bulky ligand catalyst compound; and (ii) a novel borate activator is active for olefin polymerization. The novel borate contains at least one chelating (divalent) ligand and contains at least one fluorine atom. Preferred borate activators are provided as anilinium or carbonium salts. Highly preferred borate salts contain two perfluorinated alkoxy chelating ligands. The catalyst system may be used to produce polyethylene for “end use” applications such as polyethylene film and molded polyethylene goods.Type: GrantFiled: June 22, 2005Date of Patent: May 8, 2007Assignee: Nova Chemicals (International) S.A.Inventors: Xiaoliang Gao, Isam Jaber
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Patent number: 7208559Abstract: An ethylene-based polymer which is an ethylene/C4 to C10 ?-olefin copolymer and satisfies the following requirements [k1] to [k3]: [k1] melt flow rate (MFR) under a loading of 2.16 kg at 190° C. is in the range of 1.0 to 50 g/10 minutes; [k2] LNR defined as a scale of neck-in upon film molding is in the range of 0.6 to 1.4; and [k3] take-up speed at break [DS (m/min)] at 160° C. and melt flow rate (MFR) satisfy the following relationship (Eq-1): 12×MFR0.577?DS?165×MFR0.577 (Eq-1), and a thermoplastic resin composition containing the ethylene-based polymer, provide a molded product, preferably a film, excellent in moldability and mechanical strength.Type: GrantFiled: December 15, 2003Date of Patent: April 24, 2007Assignee: Mitsui Chemicals, Inc.Inventors: Yasuo Satoh, Mamoru Takahashi, Hideki Bando, Yoshiho Sonobe, Yasushi Nakayama
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Patent number: 7202314Abstract: The present invention relates to a solid catalyst component for the polymerization of olefins CH2?CHR in which R is hydrogen or a hydrocarbon radical with 1–12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from succinates, said catalyst component being obtainable by a process comprising the following steps: (a) dissolving a halide of magnesium in a solvent system comprising an organic epoxy compound or an organic phosphorus compound and optionally an inert diluent to form a solution; (b) mixing the obtained solution with a titanium compound to form a mixture; (c) precipitating a solid from the mixture obtained in step (b) in the presence of a succinate and/or an auxiliary precipitant; (d) if a succinate is not used in step (c), contacting the solid obtained in (c) with a succinate, and (e) treating the solid obtained in (c) or (d) with a titanium compound optionally in the presence of an inert diluent.Type: GrantFiled: August 1, 2003Date of Patent: April 10, 2007Assignee: Basell Poliolefine Italia S.p.A.Inventors: Giampiero Morini, Giulio Balbontin, Gianni Vitale
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Patent number: 7202316Abstract: A modified particle obtained by a process containing contacting a Bi compound, a compound having an electron-withdrawing group and an active hydrogen and particle; and a catalyst component for addition polymerization containing the modified particle; a catalyst for addition polymerization prepared by a process containing contacting the modified particle (A) and a transition metal compound of Groups 3 to 11 or lantanide series (B); and a catalyst for addition polymerization prepared by a process containing contacting the modified particle (A) and a transition metal compound of Groups 3 to 11 or lantanide series (B) and an orbanoaluminum compound (C); and a process for producing an addition polymer with the catalyst.Type: GrantFiled: September 22, 2003Date of Patent: April 10, 2007Assignee: Sumitomo Chemical Company, LimitedInventor: Kazuo Takaoki
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Patent number: 7169871Abstract: The present invention relates to propylene polymers made by using catalyst components for the polymerization of olefins comprising Mg, Ti, halogen and at least two electron donor compounds, said catalyst component being characterized by the fact that at least one of the electron donor compounds, present in an amount from 20 to 50% by mol with respect to the total amount of donors, is selected from esters of succinic acids which are not extractable, under the conditions described below, for more than 25% by mol and at least another electron donor compound which is extractable, under the same conditions, for more than 35%. The said catalyst component are capable to give polymers with high xylene insolubility, high stereoblock content and broad MWD suitable for making the polymers usable in the BOPP sector.Type: GrantFiled: October 14, 2004Date of Patent: January 30, 2007Assignee: Basell Poliolefine Italia s.r.l.Inventors: Giampiero Morini, Giulio Balbontin
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Patent number: 7166682Abstract: A process for the preparation of an olefin polymerisation catalyst comprising: a) reacting an aluminoxane and a Lewis base in an optionally halogenated hydrocarbon solvent to form a particulate suspension; b) reacting said suspension with a metallocene complex in an optionally halogenated hydrocarbon solvent; and optionally c) isolating the olefin polymerisation catalyst.Type: GrantFiled: September 4, 2003Date of Patent: January 23, 2007Assignee: Borealis Technology OyInventors: Jarmo Lindroos, Siw Bodil Fredriksen, Pål Christian Bentzrød
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Patent number: 7160964Abstract: A liquid-phase process for polymerizing ?-olefins of the formula CH2?CHR, where R is H or an alkyl radical C1–C6, to produce a polymer that is soluble in the reaction medium, comprising the steps of: a) continuously polymerizing in liquid phase the ?-olefin in the presence of a catalyst system based on a transition metal compound; b) continuously withdrawing from step a) a solution of polymer in the liquid reaction medium; c) mixing in one or more mixing stages said solution of polymer in the reaction medium with an organic deactivator having: at least a hydroxy group, a boiling point higher than 150° C., and a ratio between the molecular weight (MW) and the number of hydroxy groups (OH) comprised between 20 and 100.Type: GrantFiled: June 17, 2003Date of Patent: January 9, 2007Assignee: Basell Poliolefine Italia S.p.A.Inventors: Daniele Bigiavi, Gabriele Mei, Nicolo' Arich De Finetti, Giuseppe Penzo, Gianni Vitale, Massimo Covezzi
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Patent number: 7135532Abstract: There are disclosed a process for producing a solid catalyst component and a catalyst for ?-olefin polymerization, and a process for producing an ?-olefin polymer, wherein the process for producing a solid catalyst component comprises the steps of: (1) reducing a specific titanium compound with an organomagnesium compound in the presence of an organosilicon compound having an Si—O bond (and an ester compound), thereby obtaining a solid product, and (2) contacting the solid product with a halogeno compound of the 14 group element, at least one member selected from the group consisting of an electron donor compound and an organic acid halide, and a compound having a Ti-halogen bond, thereby obtaining the solid catalyst component.Type: GrantFiled: October 6, 2004Date of Patent: November 14, 2006Assignee: Sunitomo Chemical Company, LimitedInventors: Yasuki Fujiwara, Makoto Satoh
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Patent number: 7129303Abstract: The present invention provides a method for producing homo- and co-polymers of ethylene, or more particularly a method for producing homo- and copolymers of ethylene in the presence of (a) a solid titanium catalyst produced by preparing a magnesium solution by contact-reacting a halogenated magnesium compound with an alcohol; reacting thereto an ester compound having at least one hydroxyl group and a silicon compound having at least one alkoxy group; and adding a mixture of a titanium compound and a silicon compound; (b) organometallic compounds of Group II or III of the Periodic Table; and (c) an alkoxysilane compound and a haloalkne compound. The catalyst for homo- and co-polymerization of ethylene, produced according to the present invention, exhibits a high activity and the polymers produced by the method of the present invention using said catalyst have the advantages of exhibiting a high bulk density and a narrow molecular weight distribution.Type: GrantFiled: November 9, 2001Date of Patent: October 31, 2006Assignee: Samsung Atofina Co., Ltd.Inventors: Chun-Byung Yang, Won-Young Kim, Weon Lee
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Patent number: 7125939Abstract: Disclosed is a process for polymerizing olefins. The process comprises polymerizing one or more olefins with a single-site catalyst in two or more polymerization stages. The catalyst comprises a transition metal complex, an activator, and a hydroxyl functional polymer. The complex, the activator, or both are chemically bound to the hydroxyl functional polymer.Type: GrantFiled: August 30, 2004Date of Patent: October 24, 2006Assignee: Equistar Chemicals, LPInventors: Shaotian Wang, Shao-Hua Guo
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Patent number: 7112642Abstract: Propylene polymers having a content of isotactic pentads (mmmm) higher than 97%, molecular weight distribution, expressed by the formula (a) ratio, equal to or higher than 6 and a value of formula (b) ratio equal to or lower than 5.5. The said polymers are prepared in the presence of a particular combination of Ziegler-Natta solid catalyst components and highly stereoregulating electron-donor compounds. Laminated articles, in particular bi-axially oriented films and sheets, can be prepared with the said polymers {overscore (M)}w/{overscore (M)}n ??(a) {overscore (M)}z/{overscore (M)}w.Type: GrantFiled: July 30, 2003Date of Patent: September 26, 2006Assignee: Basell Poliolefine Italia S.p.A.Inventors: Els Meesters, Jean News, Alessandro Guidicini
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Patent number: 7084221Abstract: A modified aluminoxane is disclosed. Aluminoxane compounds are modified with glycol ethers or polyethers. The modified aluminoxanes are effective activators for single-site catalysts. Catalyst activated with the modified aluminoxane produces polyolefin with increased melt flow index, broadened molecular weight distribution, and improved thermal processability.Type: GrantFiled: September 16, 2004Date of Patent: August 1, 2006Assignee: Equistar Chemicals, LPInventors: Shao-Hua Guo, Shaotian Wang
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Patent number: 7049263Abstract: There are provided a process for producing a catalyst for ?-olefin polymerization, which comprises the step of contacting (1) a solid catalyst component having Ti, Mg and a halogen as essential components, (2) an organoaluminum compound and (3) a compound having a —C—O—C—O—C— bond group in a closed ring structure with one another; and a process for producing an ?-olefin polymer, which comprises the step of homopolymerizing or copolymerizing an ?-olefin in the presence of a catalyst for ?-olefin polymerization produced by the above process.Type: GrantFiled: November 5, 2003Date of Patent: May 23, 2006Assignee: Sumitomo Chemical Company, LimitedInventor: Shin-ichi Kumamoto
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Patent number: 7022796Abstract: A method of preparing ultra high melt flow polypropylene having reduced xylene solubles is provided. The method utilizes a diether internal donor-containing Ziegler-Natta catalyst system to polymerize propylene. The polypropylene produced is characterized by having a melt flow of at least about 300 g/10 min and a xylene solubles of not more than about 3.5% and no peroxide residue. The catalyst system may also include an internal phthalate donor. The method of the invention allows the amount of external donors to be reduced, or even eliminated, without significant increases in xylene solubles.Type: GrantFiled: September 10, 2003Date of Patent: April 4, 2006Assignee: Fina Technology, Inc.Inventors: Kenneth Paul Blackmon, Luis Paulo Barthel-Rosa, Shabbir Ahmedbhai Malbari, David J. Rauscher, Michel M. Daumerie
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Patent number: 7005487Abstract: A solid catalyst component for the polymerization of olefins, comprising: an inert porous support, Mg, Ti, halogen and an electron donor selected from succinates of formula (I) wherein the radicals R1 and R2 equal to or different form each other, are hydrocarbon groups, the radicals R3, R4, R5 and R6, equal to or different from each other, are hydrogen or hydrocarbon groups.Type: GrantFiled: June 23, 2003Date of Patent: February 28, 2006Assignee: Basell Poliolefine Italia S.R.L.Inventors: Giulio Balbontin, Giampiero Morini
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Patent number: 7001961Abstract: The present invention relates to a catalyst composition and a method for making the catalyst composition which comprises a polymerization catalyst and at least one gelling agent. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(s). In particular, the polymerization catalyst system is supported on a carrier.Type: GrantFiled: June 6, 2005Date of Patent: February 21, 2006Assignee: Univation Technologies, LLCInventors: Agapios Kyriacos Agapiou, Chi-I Kuo, David M. Glowczwski, Steven K. Ackerman
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Patent number: 6956093Abstract: The present invention relates to the preparation of syndiotactic 1,2-polybutadiene polymer using a catalyst containing a carbon disulfide in which the polymerizate thereof is treated with hydrogen peroxide, to preparation of a composite of conjugated diene-based elastomer and syndiotactic 1,2-polybutadiene polymer using a catalyst containing a carbon disulfide which the polymerizate thereof is treated with hydrogen peroxide, a rubber composition containing said syndiotactic 1,2-polybutadiene polymer and/or said composite and a tire having at least one rubber component thereof.Type: GrantFiled: October 29, 2004Date of Patent: October 18, 2005Assignee: The Goodyear Tire & Rubber CompanyInventors: Wen-Liang Hsu, Adel Farhan Halasa
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Patent number: 6841632Abstract: Solid catalyst components comprising Ti,Mg, halogen and internal electron-donor compound selected from the 1,3-diethers of formula (I) in which R is a C1-C10 alkyl group, R1 is a linear or branched primary alkyl radical having at least three carbon atoms, optionally containing a heteroatom, and R2 is a secondary alkyl or cycloalkyl radicals different from i-propyl, optionally containing a heteroatom. The catalysts obtained by using as internal electron-donor compound the said 1,3-diethers display in the (co)polymerization of olefins an excellent balance of activity and stereospecificity that cannot be reached with the ethers known in the art.Type: GrantFiled: June 10, 2002Date of Patent: January 11, 2005Assignee: Basell Poliolefine Italis S.p.A.Inventors: Giampiero Morini, Giulio Balbontin, Ronald R. Andrea, Van Loon Jan Dirk
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Patent number: 6841503Abstract: There are disclosed a process for producing a solid catalyst component and a catalyst for ?-olefin polymerization, and a process for producing an ?-olefin polymer, wherein the process for producing a solid catalyst component comprises the steps of: (1) reducing a specific titanium compound with an organomagnesium compound in the presence of an organosilicon compound having an Si—O bond (and an ester compound), thereby obtaining a solid product, and (2) contacting the solid product with a halogeno compound of the 14 group element, at least one member selected from the group consisting of an electron donor compound and an organic acid halide, and a compound having a Ti-halogen bond, thereby obtaining the solid catalyst component.Type: GrantFiled: February 2, 2001Date of Patent: January 11, 2005Assignee: Sumitomo Chemical Company, LimitedInventors: Yasuki Fujiwara, Makoto Satoh
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Patent number: 6841633Abstract: A lower ?-alkene polymerization heterogeneous solid catalyst which comprises a hydrated magnesium chloride derived procatalyst, a cocatalyst comprising an organoaluminium compound and a selectivity control agent comprising an ester or ether. The procatalyst comprises a titanium tetrahalide supported on a magnesium chloride ester complex precursor. Magnesium chloride alcoholate is reacted with an activated carbonyl compound in the presence of a hydrocarbon and/or halohydrocarbon solvent to generate insitu an internal electron donor ester component of the precursor. The precursor is reacted with a titanium tetrahalide optionally in the presence of a hydrocarbon and/or halohydrocarbon solvent.Type: GrantFiled: November 29, 2000Date of Patent: January 11, 2005Assignee: Reliance Industries LimitedInventors: Sumit Bhaduri, Virendra Kumar Gupta
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Patent number: 6828395Abstract: Methods of controlling rheological properties of polymer compositions comprising at least one high molecular weight polymer and one low molecular weight polymer are disclosed. The polymer compositions are produced by polymerizing monomers in a single reactor using a bimetallic catalyst composition. A control agent such as, for example, an alcohol, ether, oxygen or amine is added to the reactor to control the rheological properties of the reactor. The polymerization takes place in the presence of rheological-altering compounds such as alkanes and aluminum alkyls. The control agents are added in an amount sufficient to counter the influences of the rheological-altering compounds.Type: GrantFiled: October 15, 2003Date of Patent: December 7, 2004Assignee: Univation Technologies, LLCInventors: Fred D. Ehrman, Pradeep P. Shirodkar, Robert Lynn Santana, Porter C. Shannon
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Patent number: 6828396Abstract: There are provided: (I) a solid catalyst component (A-1) for olefin polymerization, which is obtained by a process comprising the step of contacting: (a-1) a carrier of carboxyl group-carrying polymer particles having an average particle diameter of from 1 to 300 &mgr;m, and (b) a transition metal compound of the number 4 group of metals in the periodic table of elements; (II) a catalyst for olefin polymerization, which is obtained by a process comprising the step of contacting: (A-1) the above solid catalyst component, and (B) at least one compound selected from the group consisting of an organoaluminum compound and an organoaluminumoxy compound; (III) a process for producing an olefin polymer, which comprises the step of polymerizing an olefin in the presence of the above catalyst; and (IV) a process for producing the above solid catalyst component (A-1), which comprises the step of contacting: (a-1) the above carrier, and (b) the above transition metal compound.Type: GrantFiled: January 21, 2003Date of Patent: December 7, 2004Assignee: Sumitomo Chemical Company, LimitedInventors: Tatsuya Miyatake, Masaaki Nabika, Seiki Kiuchi
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Patent number: 6825309Abstract: The present invention relates to catalyst components for the polymerization of olefins comprising Mg, Ti, halogen and at least two electron donor compounds, said catalyst component being characterized by the fact that at least one of the electron donor compounds, present in an amount from 20 to 50% by mol with respect to the total amount of donors, is selected from esters of succinic acids which are not extractable, for more than 25% by mol and at least another electron donor compound which is extractable, for more than 35%. The said catalyst component are capable to give polymers with high xylene insolubility, high stereoblock content and broad MWD suitable for making the polymers usable in the BOPP sector.Type: GrantFiled: June 10, 2002Date of Patent: November 30, 2004Assignee: Basell Poliolefine Italia S.p.A.Inventors: Giampiero Morini, Giulio Balbontin
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Patent number: 6822058Abstract: A thermosetting in-mold coating composition and a method of using the same. The in-mold coating composition is curable at a temperature below 300° F. and includes a polymerizable resin, a promoted peroxide that includes a tertiary organic perester, a polymer-bound catalyst that includes a transition metal physically bound to a polymeric composition, and an amine synergist that includes at least one aromatic tertiary amine.Type: GrantFiled: July 13, 2001Date of Patent: November 23, 2004Assignee: The Sherwin-Williams CompanyInventors: David Kramer, Brad A. Haskell
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Patent number: 6818711Abstract: A process for polymerizing olefins using a catalyst system comprising a conventional Ziegler-Natta catalyst and an external election donor selected from the group consisting of diethers and combinations thereof. The catalyst system comprises a Ziegler-Natta catalyst having a transition metal compound generally represented by the formula: MR′x where M is a transition metal, R′ is a halogen or a hydrocarboxyl, and x is the valence of the transition metal. The transition metal compound can be TiCl4. The Ziegler-Natta catalyst may comprise an internal electron donor, such as phthalate. The catalyst system further includes an external electron donor selected from the group consisting of diethers and a co-catalyst selected from the group of organoaluminum compounds. In one embodiment, the external electron donor is 2,2-diisobutyl-1,3-dimethoxypropane, and the co-catalyst is triethylaluminum.Type: GrantFiled: January 1, 2003Date of Patent: November 16, 2004Assignee: Fina Technology, Inc.Inventor: Christopher G. Bauch