Silicon Present In Organic Non-metal Compound Patents (Class 526/128)
  • Patent number: 10626256
    Abstract: This disclosure relates to a continuous solution polymerization process wherein production rate is increased. Process solvent, ethylene, optional comonomers, optional hydrogen and a single site catalyst formulation are injected into a first reactor forming a first ethylene interpolymer. Process solvent, ethylene, optional comonomers, optional hydrogen and a heterogeneous catalyst formulation are injected into a second reactor forming a second ethylene interpolymer. The first and second reactors may be configured in series or parallel modes of operation. A third ethylene interpolymer is formed in a third reactor, wherein an optional heterogeneous catalyst formulation may be employed. In a solution phase, the first, second and optional third ethylene interpolymers are combined, the catalyst is deactivated, the solution is passivated and following a phase separation process an ethylene interpolymer product is recovered.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: April 21, 2020
    Assignee: NOVA CHEMICALS (INTERNATIONAL) S.A.
    Inventors: Fazle Sibtain, Christopher John Brooke Dobbin, Donald Gary Hartlen, Kenneth Edward Taylor, Hamidreza Khakdaman
  • Patent number: 10392453
    Abstract: A method for producing an olefin polymerization catalyst includes bringing a solid catalyst component for olefin polymerization, a vinylsilane compound, an organosilicon compound, and an organoaluminum compound into contact with each other in an inert organic solvent under an inert gas atmosphere in the absence of a specific vinyl compound, wherein a washing treatment is not performed after the vinylsilane compound has been added to the reaction system, the solid catalyst component includes a magnesium compound, a titanium halide compound, and an electron donor compound that does not include a phthalic acid ester structure, and includes a diol skeleton, and the organosilicon compound does not include a vinyl group, and includes at least one group selected from an alkoxy group and an amino group.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: August 27, 2019
    Assignee: TOHO TITANIUM CO., LTD.
    Inventors: Hiroyuki Kono, Toshiya Uozumi, Shingo Yamada, Toshihiko Sugano
  • Patent number: 10280186
    Abstract: A guanidinate silane compound of any of formulae (I)-(IV) is described, having utility as a precursor in vapor deposition processes for forming a silicon-containing film on a substrate. The guanidinate silane compound can be used in vapor deposition processes such as chemical vapor deposition and atomic layer deposition, at temperatures below 400° C., to form silicon-containing films, e.g., silicon nitride films, useful as diffusion barrier layers, etch stop layers, and sidewall coating films, in integrated circuitry, flat-panel displays, solar panels, and other microelectronic and optoelectronic applications.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: May 7, 2019
    Assignees: JIANGSU NATA OPTO-ELECTRONIC MATERIAL CO., LTD, JIANGNAN UNIVERSITY
    Inventors: Xiao Ma, Chongying Xu, Tzuhn-Yan Lin, Dongsheng Xu, Yuqiang Ding
  • Patent number: 10138308
    Abstract: Catalyst composition comprising a phthalate-free electron donor, which is highly effective during polymerization in the presence of a polymeric nucleating agent, and its use and a process for its preparation.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: November 27, 2018
    Assignee: BOREALIS AG
    Inventor: Torvald Vestberg
  • Patent number: 9255166
    Abstract: High purity heterophasic polypropylene copolymers comprising (A) 73 to 98 wt % of a propylene homo- or copolymer matrix with an MFR2 in accordance with ISO 1133 (230° C., 2.16 kg load) of ?45 g/10 min and (B) 2 to 27 wt % of an elastomeric copolymer, comprising propylene in an amount of at least 50 wt % of component (B) and at least ethylene and/or one other C4 to C10 alpha olefin in an amount of up to 50 wt % of component (B), the heterophasic polypropylene copolymers being obtainable by a multistage polymerization process in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) optionally an organometallic cocatalyst and (iii) an external donor represented by formula (I) Si(OCH2CH3)3(NR1R2) wherein R1 and R2 can be the same or different a represent a hydrocarbon group having 1 to 12 carbon atoms, their production and use.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: February 9, 2016
    Assignee: Borealis AG
    Inventors: Christelle Grein, Klaus Bernreitner, Torvald Vestberg
  • Patent number: 9221921
    Abstract: The present invention relates to an apparatus and process for polymerizing olefins. One embodiment comprises polymerizing at least one monomer in a first loop reactor in the presence of a catalyst to produce a first polyolefin fraction. A portion of the first polyolefin fraction is transferred to a second loop reactor, connected in series with the first loop reactor. The process further comprises polymerizing in the second loop reactor at least one monomer in the presence of a catalyst to produce a second polyolefin fraction in addition to the first polyolefin fraction. The combination of the first and second polyolefin fractions can produce a polymer resin fluff having bimodal molecular weight distribution.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 29, 2015
    Assignee: TOTAL RESEARCH & TECHNOLOGY FELUY
    Inventors: Louis Fouarge, Eric Damme, Olivier Miserque, Daniel Siraux, Philippe Bodart, Andre Lewalle, Marc Van der Auwera, Frans Van den Brande, Giacomo Conti, Hugo Vandaele, Mark Verleysen, Carl Van Camp, Etienne Laurent, Philippe Marechal, Marc Moers, Leopold D'Hooghe, Marjan Sillis, Kai Hortman, Pascal Folie, Renaud Oreins
  • Patent number: 8975209
    Abstract: Disclosed is a solid support-polymethylaluminoxane complex exhibiting a higher polymerization activity than a conventional substance and being homogeneous. Also disclosed is a method for producing an olefin-based polymer having a favorable quality using the complex and a transition metal compound. The complex comprises a coating layer containing polymethylaluminoxane and trimethylaluminum on the surface of a solid support. The coating layer comprises a solid polymethylaluminoxane composition in which (i) the content of aluminum is in a range of 36 to 41 mass % and (ii) the molar fraction of methyl groups derived from a trimethylaluminum moiety to the total number of moles of methyl groups is 12 mol % or less. Also disclosed is an olefin polymerization catalyst comprising the complex and a transition metal compound represented by general formula (III): MR5R6R7R8 as catalyst components, and a method for producing a polyolefin comprising polymerizing an olefin using the catalyst.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: March 10, 2015
    Assignee: Tosoh Finechem Corporation
    Inventors: Eiichi Kaji, Etsuo Yoshioka
  • Patent number: 8889806
    Abstract: There is provided a ring-opening polymer of cyclopentene wherein a cis ratio of cyclopentene-derived structural units is 30% or more, the weight average molecular weight (Mw) is 100,000 to 1,000,000, and an oxysilyl group is included at an end of the polymer chain. For example, the ring-opening polymer of cyclopentene can be obtained by ring opening polymerization of cyclopentene in the presence of a compound of a transition metal belonging to Group 6 in the Periodic Table, an organoaluminum compound represented by the following general formula (1), and an olefinically unsaturated hydrocarbon containing an oxysilyl group. (R1)3-xAl(OR2)x??(1) (in the general formula (1), R1 and R2 represent a hydrocarbon group having 1 to 20 carbon atoms and x satisfies the requirement 0<x<3.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: November 18, 2014
    Assignee: Zeon Corporation
    Inventors: Yasuo Tsunogae, Yoshihisa Takeyama
  • Patent number: 8822021
    Abstract: Process for the production of polypropylene random copolymers containing 2.5 to 5.0 wt % of ethylene as comonomer and having an MFR2 in accordance with ISO 1 133 (230° C., 2.16 kg load) of ?25 g/10 min to 100 g/10 min and a hexane-solubles content, determined according to FDA CFR 21 §177.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: September 2, 2014
    Assignee: Borealis AG
    Inventors: Christelle Grein, Klaus Bernreitner, Mari Kylmälä, Balakantha rao Kona, Elisabeth Potter
  • Publication number: 20140243490
    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) In which R to R4 groups, equal to or different from each other, are hydrogen, halogen or C1-C15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, which may be linked to form a saturated or unsaturated mono or polycycle and R5 groups are selected from C1-C15 hydrocarbon groups optionally containing an heteroatom selected from halogen, P, S, N and Si.
    Type: Application
    Filed: October 10, 2012
    Publication date: August 28, 2014
    Inventors: Alessandro Mignogna, Simona Guidotti, Giampiero Morini, Joachim T.M. Pater
  • Patent number: 8791217
    Abstract: Catalyst compositions containing N,N-bis[2-hydroxidebenzyl]amine transition metal compounds are disclosed. Methods for making these transition metal compounds and for using such compounds in catalyst compositions for the polymerization or oligomerization of alpha olefins also are provided.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: July 29, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang, Brooke L. Small, Youlu Yu
  • Publication number: 20140206827
    Abstract: A method for producing a solid catalyst component for olefin polymerization includes bringing a magnesium compound, a tetravalent titanium halide compound, and an electron donor compound represented by a general formula (1) into contact with each other, reacting the mixture, washing the resulting reaction product to obtain a solid component, bringing the solid component, a tetravalent titanium halide compound, and an electron donor compound represented by a general formula (2) into contact with each other, reacting the mixture, and washing the resulting reaction product. (R1)kC6H4-k(COOR2)(COOR3)??(1) R4R5C(COOR6)2??(2) A polymer that exhibits high activity with respect to hydrogen, high stereoregularity, and high bulk density can be obtained using a catalyst including a solid catalyst component obtained by the method.
    Type: Application
    Filed: August 3, 2012
    Publication date: July 24, 2014
    Applicant: TOHO TITANIUM CO., LTD.
    Inventors: Toshiya Uozumi, Shingo Yamada
  • Patent number: 8785576
    Abstract: Catalyst compositions containing N,N-bis[2-hydroxidebenzyl]amine transition metal compounds are disclosed. Methods for making these transition metal compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: July 22, 2014
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Qing Yang
  • Patent number: 8742036
    Abstract: The invention relates to a catalyst metering device with a valve formed of an iron-based alloy steel hardened to a Rockwell hardness C of at least 60. The device can be used for metering of a catalyst for an ethylene polymerization reaction. The invention further relates to ethylene polymerization wherein the catalyst is metered in a catalyst metering device with a iron-based alloy steel hardened valve, as well as to a ethylene polymerization reactor comprising such a catalyst metering device.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: June 3, 2014
    Assignee: Total Research & Technology Feluy
    Inventors: Daan Dewachter, Daniel Bekaert
  • Patent number: 8648001
    Abstract: A catalyst for polymerization of olefins formed from (A) a solid catalyst component containing magnesium, titanium, halogen, and an electron donor compound, (B) an organoaluminum compound shown by the formula, R6pAlQ3-p, and (C) an aminosilane compound shown by the formula, R3nSi(NR4R5)4-n; and a process for producing a catalyst for polymerization of olefins in the presence of the catalyst are provided. A novel aminosilane compound, a catalyst component for polymerization of olefins having a high catalytic activity, capable of producing polymers with high stereoregularity in a high yield, and exhibiting an excellent hydrogen response, a catalyst, and a process for producing olefin polymers using the catalyst are provided.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: February 11, 2014
    Assignee: Toho Titanium Co., Ltd.
    Inventors: Motoki Hosaka, Takefumi Yano, Maki Sato, Kohei Kimura
  • Patent number: 8617354
    Abstract: Provided is a process for manufacturing shaped cellulose materials from lignocellulose where a dissolving grade pulp is manufactured and dissolved in an aqueous alkaline or acidic solvent system forming a solution suitable for shaping new cellulose structures including fibers, films and cellulose derivatives. At least a part of the spent cellulose dissolving or cellulose shaping chemicals are recovered in one or more unit operations in a pulp mill chemical recovery cycle.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: December 31, 2013
    Assignee: Kiram AB
    Inventor: Lars Stigsson
  • Patent number: 8541332
    Abstract: Disclosed is a catalyst for the polymerization of olefins comprising thienyl-substituted silanes, which comprises a solid titanium catalyst component containing titanium, magnesium and a halogen as the main components, an alkylaluminum compound, and a component of organosiloxane compound comprising two thienyl as substituents represented by general formula (I). The molar ratio of each catalyst component is 1:50-150:5-50 based on titanium:aluminum:silicon. When the catalyst is used in the polymerization of propylene, the polymerisate obtained has a very high degree of isotacticity, and the yield is high.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: September 24, 2013
    Assignee: PetroChina Company Limited
    Inventors: Zhifei Li, Kuilong Tan, Hao Wang, Jianjun Yi, Qinghong Xu, Weisong Cui, Wei Bai, Xinyuan Liu, Pu Xu, Wanqing Ju
  • Publication number: 20130231447
    Abstract: Solid catalyst components are disclosed including titanium, magnesium, halogen and an internal electron donor compound having at least one ester group and at least one alkoxy group, and catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. Further, methods of making the catalyst components and the catalyst systems are disclosed as well as methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems.
    Type: Application
    Filed: April 2, 2013
    Publication date: September 5, 2013
    Applicant: BASF Corporation
    Inventor: Main CHANG
  • Patent number: 8426537
    Abstract: A solid catalyst component for olefin polymerization is produced by causing (a) a solid component that includes magnesium, titanium, a halogen, and an electron donor, (b) an aminosilane compound shown by the following general formula (1), and (c) at least one organosilicon compound selected from an organosilicon compound shown by the following general formula (2-A) and an organosilicon compound shown by the following general formula (2-B) to come in contact with each other. A polymer having high stereoregularity is produced in high yield while achieving a high melt flow rate due to hydrogen by polymerizing an olefin in the presence of a catalyst that includes the solid catalyst component.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: April 23, 2013
    Assignee: Toho Titanium Co., Ltd.
    Inventor: Motoki Hosaka
  • Patent number: 8247504
    Abstract: A polymer having high catalyst activity, excellent hydrogen response, high stereoregularity and high yield can be obtained by polymerizing olefins in the presence of a catalyst for olefin polymerization comprising (A) a solid catalyst component containing magnesium, titanium, a halogen, and an electron donor compound, (B) an organoaluminum compound shown by the formula R6pAlQ3-p(R1R2N)m, and (C) an aminosilane compound shown by the formula (R3HN)nR4pSi(OR5)q.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: August 21, 2012
    Assignee: Toho Titanium, Co.,. Ltd.
    Inventors: Takefumi Yano, Motoki Hosaka, Maki Sato, Kohei Kimura
  • Patent number: 8247341
    Abstract: Disclosed are procatalyst compositions having an internal electron donor which includes a silyl glutarate and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit strong activity and produce propylene-based olefins with high isotacticity.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: August 21, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Kelly A. Gonzalez, Tao Tao, Tak W. Leung
  • Patent number: 8178633
    Abstract: The present invention relates to an improvement for gas phase olefin polymerization process under two or more different flow regimes. The process involves adding a mixed electron donor system to a reactor having two or more different flow regimes, wherein the mixed electron donor system comprises at least one selectivity control agent and at least one activity limiting agent. The invention is particularly well suited for reactor systems which include a regime characterized by having a low-velocity or high-solid holdup, which have been reported to have operational problems such as particle agglomeration and formation of polymer “chunks”.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: May 15, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Ping Cai, Linfeng Chen, Jan W. Van Egmond, Michael W. Tilston
  • Publication number: 20120108771
    Abstract: It has been discovered that using n-butylmethyldimethoxysilane (BMDS) as an external electron donor for succinate-containing Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films with improved properties. The catalyst systems of the invention provide for controlled chain defects/defect distribution and thus a regulated microtacticity along with broadened molecular weight distribution.
    Type: Application
    Filed: November 3, 2010
    Publication date: May 3, 2012
    Applicant: Fina Technology, Inc.
    Inventors: Kenneth P. Blackmon, Joseph L. Thorman, Shabbir Ahmedbhai Malbari, Michael Wallace
  • Publication number: 20120088086
    Abstract: Process for the production of polypropylene random copolymers containing 2.5 to 5.0 wt % of ethylene as comonomer and having an MFR2 in accordance with ISO 1 133 (230° C., 2.16 kg load) of ?25 g/10 min to 100 g/10 min and a hexane-solubles content, determined according to FDA CFR 21 §177.
    Type: Application
    Filed: March 1, 2010
    Publication date: April 12, 2012
    Applicant: Bore-Alis AG
    Inventors: Christelle Grein, Klaus Bernreitner, Mari Kylmälä, Balakantha rao Kona, Elisabeth Potter
  • Publication number: 20120053310
    Abstract: A catalyst for polymerization of olefins formed from (A) a solid catalyst component containing magnesium, titanium, halogen, and an electron donor compound, (B) an organoaluminum compound shown by the formula, R6pAlQ3-p, and (C) an aminosilane compound shown by the formula, R3nSi(NR4R5)4-n; and a process for producing a catalyst for polymerization of olefins in the presence of the catalyst are provided. A novel aminosilane compound, a catalyst component for polymerization of olefins having a high catalytic activity, capable of producing polymers with high stereoregularity in a high yield, and exhibiting an excellent hydrogen response, a catalyst, and a process for producing olefin polymers using the catalyst are provided.
    Type: Application
    Filed: November 4, 2011
    Publication date: March 1, 2012
    Applicant: TOHO TITANIUM CO., LTD.
    Inventors: Motoki Hosaka, Takefumi Yano, Maki Sato, Kohei Kimura
  • Patent number: 8076259
    Abstract: A process for the preparation of a catalyst paste comprising the following steps: a) obtaining a slurry in an organic solvent containing at least: a1) a support bearing functional groups; a2) a trialkylaluminum of formula (Ra)3Al wherein Ra, equal to or different from each other is a C1-C20 hydrocarbon radical optional containing heteroatoms belonging to groups 13-17 of the periodic table of the elements; a3) a compound of formula (I) (R1)x-A-(OH)y??(I) wherein: A is an atom of group 13 or 15 of the Periodic Table; R1 equal to or different from each other, are C1-C40 hydrocarbon radicals optionally containing heteroatoms belonging to groups 13-17 of the periodic table of the elements; Y is 1 or 2; X is 1 or 2; provided that x+y=3; a4) a transition metal organometallic compound; b) washing the resulting slurry one or more times with oil.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: December 13, 2011
    Assignee: Basell Polyolefine GmbH
    Inventors: Bodo Richter, Gregorius Heike
  • Publication number: 20110294970
    Abstract: The present invention relates to solid catalyst components comprising a reaction product of a titanium compound, a magnesium compound, an alcohol, an aluminum alkoxide, a siloxane mixture, and a maleate derivative; and catalyst systems comprising the solid catalyst components and organoaluminum compounds. The present invention also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing ethylene using the catalyst systems.
    Type: Application
    Filed: May 25, 2010
    Publication date: December 1, 2011
    Applicant: BASF CATALYSTS, LLC
    Inventors: Main Chang, Thomas Garoff
  • Patent number: 8003558
    Abstract: Disclosed are 1,8-naphthyl diaryloates, methods of making 1,8-naphthyl diaryloates, methods of using 1,8-naphthyl diaryloates, solid titanium catalyst components, catalyst systems containing solid titanium catalyst components, methods of making solid titanium catalyst components, and polymerization methods. The solid titanium catalyst components contain a 1,8-naphthyl diaryloate internal electron donor compound. The catalyst system can contain a solid titanium catalyst component, an organoaluminum compound, and an organosilicon compound.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: August 23, 2011
    Assignee: BASF Corporation
    Inventor: Main Chang
  • Publication number: 20110196117
    Abstract: A composition comprising a polymerization modifier for the copolymerization of at least one olefin monomer and propylene and a polymerization process using the polymerization modifier.
    Type: Application
    Filed: April 7, 2011
    Publication date: August 11, 2011
    Applicant: Dow Global Technologise LLC
    Inventors: Daryoosh Beigzadeh, Richard E. Campbell, JR., David D. Devore, Duane R. Romer, James C. Stevens, Francis J. Timmers, Hendrick E. Tuinstra, Paul C. Vosejpka
  • Publication number: 20110184135
    Abstract: A composition comprising a polymerization modifier for the copolymerization of at least one olefin monomer and 1-octene and a polymerization process using the polymerization modifier.
    Type: Application
    Filed: April 7, 2011
    Publication date: July 28, 2011
    Applicant: Dow Global Technologies LLC
    Inventors: Daryoosh Beigzadeh, Richard E. Campbell, JR., David D. Devore, Duane R. Romer, James C. Stevens, Francis J. Timmers, Hendrik E. Tuinstra, Paul C. Vosejpka
  • Patent number: 7977435
    Abstract: Provided are a propylene polymer compositions comprising a propylene copolymer and a propylene homopolymer polymerized in the presence of the propylene copolymer. The propylene polymer compositions exhibit properties such as broad molecular weight distribution, low crystallinity, high solubles and superior crystallization kinetics and are useful in fast cycle-time processing methods such as injection molding, sheet extrusion, thermoforming, and oriented film fabrication. Also provided is a process for preparing the propylene polymer compositions in the presence of a catalyst and at least two electron donors using sequential or parallel polymerization reaction zones. Finally, articles made from the propylene polymer composition are provided, particularly articles requiring high stiffness, high heat deflection temperature, good fatigue resistance and low temperature impact resistance such as appliance parts.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: July 12, 2011
    Inventors: Chon-Yie Lin, Stephen Francis Broadbent
  • Patent number: 7964680
    Abstract: Disclosed is a method of producing a cyclic olefin polymer having a polar functional group, an olefin polymer produced by using the method, an optical anisotropic film including the olefin polymer, and a catalyst composition for producing the cyclic olefin polymer. In the olefin polymerization method and the catalyst composition for polymerization, since deactivation of the catalyst due to polar functional groups of monomers is capable of being suppressed, it is possible to produce polyolefins having a high molecular weight at high polymerization yield during polyolefin polymerization. Furthermore, the cyclic olefin having the polar functional groups has excellent polymerization reactivity and the activity of the catalyst composition including the same is maintained under a variable polymerization condition. Accordingly, the present invention is very useful for a mass-production process.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: June 21, 2011
    Assignee: LG Chem, Ltd.
    Inventors: Dai-Seung Choi, Young-Whan Park, Sung-Ho Chun, Sung Cheol Yoon, Young-Chul Won
  • Patent number: 7939460
    Abstract: A production process is provided for an olefin polymerization catalyst component precursor, including the steps of (I) adding an organomagnesium compound to a solution containing a solvent, a Si—O bond-containing silicon compound, and a defined titanium compound, under agitation, and continuing the agitation until a magnesium concentration in a liquid phase of a reaction mixture decreases to 9 ppm by weight or lower, and (II) solid-liquid separating the reaction mixture. A production process is also provided for an olefin polymerization catalyst component using the above precursor. Further, producing process is provided for an olefin polymerization catalyst using the above catalyst component. Still further, a production process is provided for an olefin polymer using the above catalyst.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: May 10, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Wataru Hirahata, Shinya Nakahara
  • Patent number: 7935651
    Abstract: A method for preparing a titanium-containing Ziegler-Natta catalyst is disclosed. A dialkyl magnesium compound, a trialkyl aluminum compound, and a polymethylhydrosiloxane are first combined in a hydrocarbon solvent. That product is then combined with dry, alcohol-free magnesium chloride. A solid product from the reaction with the magnesium chloride component is isolated and washed with a hydrocarbon solvent. The washed solid product is then combined with an alkyl aluminum dichloride or a dialkyl aluminum chloride to give the catalyst. The catalyst is suitable for both slurry and gas-phase olefin polymerizations. Polyolefins produced with the catalyst have broad molecular weight distributions and narrow distributions of relatively large particles.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: May 3, 2011
    Assignee: Equistar Chemicals, L.P.
    Inventors: Mark K. Reinking, Joachim T. M. Pater, Giampiero Morini
  • Patent number: 7893175
    Abstract: 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: Grant
    Filed: December 12, 2007
    Date of Patent: February 22, 2011
    Assignee: Lummus Novolen Technology GmbH
    Inventors: Frank Wolf Spaether, David Andrew Presken
  • Patent number: 7893003
    Abstract: The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: February 22, 2011
    Assignee: Dow Global Technologies Inc.
    Inventor: Linfeng Chen
  • Patent number: 7851644
    Abstract: A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using the catalytic system are disclosed; the heterocyclic metallocenes correspond to the formula (I): YjR?iZjjMeQkPl wherein Y is a coordinating group containing a six ? electron central radical directly coordinating Me, to which are associated one or more radicals containing at least one non-carbon atom selected from B, N, O, Al, Si, P, S, Ga, Ge, As, Se, In, Sn, Sb and Te; R? is a divalent bridge between the Y and Z groups; Z is a coordinating group, optionally being equal to Y; Me is a transition metal; Q is halogen or hydrocarbon substituents; P is a counterion; i is 0 or 1; j is 1-3; jj is 0-2; k is 1-3; and l is 0-2.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: December 14, 2010
    Assignee: Basell Polyolefine GmbH
    Inventors: John A. Ewen, Michael J. Elder, Robert L. Jones, Jr., Yuri A. Dubitsky
  • Patent number: 7803887
    Abstract: A bridged metallocene compound of formula (I) wherein: M is a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon group optionally containing hetematoms; L is a divalent bridging group; R1 is a linear C1C40 hydrocarbon radical optionally containing hetexoatonis; T1, T2, T3 and T4 are an oxygen or sulfur atom or a C(R18)2 group with the proviso that at least one group between T1 and T2 is an oxygen or a sulfur atom; wherein R18, are hydrogen atoms or a C1-C4O hydrocarbon radical; n is 1, 2 or 3; R4 is a hydrogen atom or a C1-C40 hydro carbon radical; W is an aromatic 5 or 6 membered ring.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: September 28, 2010
    Assignee: Basell Polyolefine GmbH
    Inventors: Marco Sacco, Ilya Nifant'ev, Pavel Ivchenko, Vladimir Bagrov, Francesca Focante
  • Patent number: 7790819
    Abstract: Cyclic organosilicon compounds that may be employed as an electron donor for polymerization catalyst systems, polymerization catalyst systems employing the cyclic organosilicon compounds as an electron donor, methods of making the polymerization catalyst systems, and polymerization processes to produce polyolefin are disclosed. The organosilicon compounds, which are useful as electron donors in polymerization catalyst systems for the production of polyolefins, are represented by the formula: where Q1, Q2, Q3, and Q4 may be identical or different and are each hetero-atoms selected from the group consisting of N, O, S, Si, B, and P. R1, R2, R3, and R4 may be identical or different and are each hydrocarbon-based substituents to Q1, Q2, Q3, and Q4, respectively. The subscripts i, j, m, and n are independently 0 to 3 R5 and R6 may be identical or different and are each a bridging group with a backbone chain length between the two hetero-atoms Q1 and Q3, and Q2 and Q4, respectively, 1-8 atoms.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: September 7, 2010
    Assignee: Formosa Plastics Corporation, U.S.A.
    Inventors: Yiqun Fang, Honglan Lu
  • Patent number: 7781545
    Abstract: The present invention relates to a process for the catalytic polymerization of olefins comprising the steps of; i) a first polymerization in a first reactor, wherein olefins are polymerized with a particulate catalyst, hydrogen and optional a comonomer in a fluidum of an inert low boiling hydrocarbon medium into an reaction mixture comprising polymerized olefins; and ii) a second polymerization in a second reactor, wherein the polymerized olefins are further polymerized in a fluidized bed and in a moving bed under such conditions that the residence time in the fluidized bed and the residence time in the moving bed are independently controlled to a reactor system for carrying out said process, to the use of the reactor system, the polyolefins obtainable with said method and to the use of these polyolefins.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: August 24, 2010
    Assignee: Borealis Technology Oy
    Inventors: Gunter Weickert, Bill Benjamin Rudolf Gustafsson
  • Patent number: 7781553
    Abstract: External donor systems, catalyst systems and olefin polymerization processes are described herein. The external donor systems generally include a first external donor represented by the general formula SiR2m(OR3)4-m, wherein each R2 is independently selected from alkyls, cycloalkyls, aryls and vinyls, each R3 is independently selected from alkyls and m is from 0 to 4. The external donor systems further include a second external donor represented by the general formula SiR4m(OR5)4-m, wherein each R4 is independently selected from alkyls, cycloalkyls, aryls and vinyls, each R5 is independently selected from alkyls, m is from 0 to 4 and at least one R4 is a C3 or greater alkyl.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: August 24, 2010
    Assignee: Fina Technology, Inc.
    Inventors: Kenneth Blackmon, Shabbir Malbari
  • Patent number: 7776977
    Abstract: The present invention relates to a supported catalyst composition and a method for making the supported catalyst composition and its use in a process for polymerizing olefin(s). In particular, the invention is directed to a method for making a supported catalyst composition by contacting a supported activator with a bulky ligand and a metal compound.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: August 17, 2010
    Assignee: Univation Technologies, LLC
    Inventor: Sun-Chueh Kao
  • Publication number: 20100190942
    Abstract: A catalyst for polymerization of olefins formed from (A) a solid catalyst component containing magnesium, titanium, halogen, and an electron donor compound, (B) an organoaluminum compound shown by the formula, R6pAlQ3-p, and (C) an aminosilane compound shown by the formula, R3nSi(NR4R5)4-n; and a process for producing a catalyst for polymerization of olefins in the presence of the catalyst are provided. A novel aminosilane compound, a catalyst component for polymerization of olefins having a high catalytic activity, capable of producing polymers with high stereoregularity in a high yield, and exhibiting an excellent hydrogen response, a catalyst, and a process for producing olefin polymers using the catalyst are provided.
    Type: Application
    Filed: May 26, 2006
    Publication date: July 29, 2010
    Applicant: TOHO CATALYST CO., LTD.
    Inventors: Motoki Hosaka, Takefumi Yano, Maki Sato, Kohei Kimura
  • Patent number: 7683148
    Abstract: A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst is a ruthenium or osmium carbene complex catalyst having high activity and good air stability. In one embodiment, the catalyst is free of phosphine ligands. The reaction control agent is an organic compound that contains carbon-carbon double and/or triple bonds and one or more Group 14 atoms and is present in an amount effective to slow the progress of the metathesis reaction. In one embodiment, the olefin-containing substrate may comprise one or more oligomers or polymers having a >20 wt. % linear siloxane (Si—O—Si) backbone tethered and/or end-capped with functional olefin groups, such as cycloalkenyl group.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: March 23, 2010
    Assignee: Kerr Corporation
    Inventor: Christos Angeletakis
  • Patent number: 7666960
    Abstract: A process for the copolymerization of ethylene and ?-olefins which utilizes a mixed modifier comprised of a conjugated diene and alkoxysilane is disclosed.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: February 23, 2010
    Assignee: Equistar Chemicals, LP
    Inventors: Michael W. Lynch, Mark K. Reinking
  • Publication number: 20100036068
    Abstract: The purpose of the present invention is to provide a hydrogenation catalyst, which can produce an olefin polymer having a higher molecular weight, and a process for producing an olefin polymer so that an olefin polymer having a higher molecular weight can be produced, by controlling hydrogen concentration in a polymerization reaction system efficiently in polymerizing an olefin in the presence of hydrogen. There is provided a hydrogenation catalyst formed by contacting the undermentioned component (A), the undermentioned component (B), and the undermentioned component (C). There is further provided a process for producing an olefin polymer characterized by polymerizing an olefin in the presence of hydrogen, the undermentioned component (A), the undermentioned component (B), and the undermentioned component (D).
    Type: Application
    Filed: August 3, 2009
    Publication date: February 11, 2010
    Applicant: Sumitomo Chemical Company, Limited
    Inventors: Yuki Aso, Noriyuki Satou, Shin-ichi Kumamoto
  • Publication number: 20090326171
    Abstract: The invention discloses a process for preparing high-performance propylene polymers, the process utilizing a high activity, highly stereoselective Ziegler-Natta catalyst and two or more stages of polymerization carried out under different hydrogen concentrations to prepare propylene polymers having broad molecular weight distribution, wherein non-unifomess of isotacticity of molecular chains of the final propylene polymers is improved by adjusting or controlling stereoselectivity of catalytic active sites under different hydrogen concentrations, namely, making the low molecular weight fraction of the polymers having a higher isotacticity and making the high molecular weight fraction of the polymers having a lower isotacticity, thereby overcoming the drawbacks of the propylene polymers having broad molecular weight distribution known in the art. The resulting final polymers have excellent combined properties, in particular, remarkably improved mechanical properties.
    Type: Application
    Filed: April 20, 2007
    Publication date: December 31, 2009
    Inventors: Wenbo Song, Meifang Guo, Jinliang Qiao, Zhichao Yang, Shijun Zhang, Luqiang Yu
  • Patent number: 7605215
    Abstract: A process for producing an olefin copolymerization catalyst, comprising the step of contacting, with one another, (A) a solid catalyst component containing a titanium atom, a magnesium atom and a halogen atom, (B) an organoaluminum compound and/or organoaluminumoxy compound, and (C) a nitrogen-containing aromatic heterocyclic compound, whose one or more carbon atoms adjacent to its nitrogen atom are linked to an electron-donating group, or a group containing an electron-donating group; and a process for producing an olefin copolymer using the an olefin copolymerization catalyst.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: October 20, 2009
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shinya Nakahara, Shin-ichi Kumamoto
  • Publication number: 20090253876
    Abstract: Provided is a novel fluorene derivative which is useful as a catalyst component for olefin polymerization, a transition metal compound containing the fluorene derivative as a part of ligand, a catalyst for olefin polymerization containing the transition metal compound, and a process for producing olefin polymer.
    Type: Application
    Filed: May 24, 2006
    Publication date: October 8, 2009
    Inventors: Munehito Funaya, Koji Endo, Naritoshi Hirota, Yuichi Yamamura, Koji Kawai
  • Patent number: 7592402
    Abstract: 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: Grant
    Filed: January 28, 2005
    Date of Patent: September 22, 2009
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hideki Oshima, Makoto Satoh