Specified Material Contains Transition Metal Atom Patents (Class 525/245)
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Publication number: 20120245294Abstract: This invention relates to a composition comprising a multiblock polyolefin represented by the formula: PO-(-C?C—Z—)n—C?C-PO*??(I) or PO-(-C—C—Z—)n—C—C-PO*??(Ia) wherein Z is the portion of a cyclic monomer having at least one internal double bond that remains after a ring-opening metathesis reaction; PO and PO* are each independently polyolefins; and n is 1 to 10,000; and a process to produce such comprising contacting an alkene metathesis catalyst with a dimer of vinyl terminated polyolefins, and a cyclic hydrocarbyl monomer comprising at least one internal double bond.Type: ApplicationFiled: March 25, 2011Publication date: September 27, 2012Inventor: Ian C. Stewart
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Patent number: 8247498Abstract: It is to provide a narrowly dispersible star polymer having a controlled molecular structure and a method for easily producing such star polymer. The method comprises step (A) wherein arm (I) is formed by binding the anionic end of a polymer having an anionic end to a core and step (B) wherein arm (II) is extended from the core by a living radical polymerization. Examples of the star polymer is specifically exemplified by star polymers characterized by having a structure represented by formula (I-1) or (I-2) (In formula (I-1) or (I-2), B, C1 and C2 each independently represents a group composed of a polymer; and m1 and m2 each independently represents an integer of 1 or 2, wherein when m1 or m2 is 2, both C1 or both C2 represent the same group or different groups).Type: GrantFiled: July 11, 2007Date of Patent: August 21, 2012Assignee: Nippon Soda Co., Ltd.Inventor: Takeshi Niitani
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Publication number: 20120196985Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.Type: ApplicationFiled: January 26, 2012Publication date: August 2, 2012Inventors: Yong-Ho LEE, Manseong Jeon, Heon-Yong Kwon, Min-Seok Cho, Seon Kyoung Kim, Dae-Sik Hong, Se Hui Sohn, Ki-Soo Lee, Kyoung-Chan Lim
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Patent number: 8202936Abstract: The present invention relates to a process of producing an ethylene polymer composition in multiple stages of which the first stage is a slurry polymerization stage, in the presence of a catalyst system comprising a) a solid catalyst precursor comprising a transition metal selected from titanium and vanadium; magnesium, a halide, optionally an electron donor, and a solid particulate material comprising an inorganic oxide, wherein the median particle diameter of the solid catalyst precursor based upon the total volume of solid catalyst precursor, D50, is from 1 to 13 micrometers; and b) an organoaluminium compound.Type: GrantFiled: July 6, 2005Date of Patent: June 19, 2012Assignee: Dow Global Technologies LLCInventors: Patrick J. C. Schouterden, Ruddy Nicasy, Sarat Munjal, Burkhard E. Wagner, Robert J. Jorgensen
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Patent number: 8198374Abstract: A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.Type: GrantFiled: December 8, 2010Date of Patent: June 12, 2012Assignee: Dow Global Technologies LLCInventors: Daniel J. Arriola, Edmund M. Carnahan, Yunwa Wilson Cheung, David D. Devore, David D. Graf, Phillip D. Hustad, Roger L. Kuhlman, Colin Li Pi Shan, Benjamin C. Poon, Gordon R. Roof, James C. Stevens, Pamela J. Stirn, Timothy T. Wenzel
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Patent number: 8188191Abstract: The present invention is a polyolefin polymer containing vinyl groups at both ends thereof, and a composition and a molded product containing the polymer, wherein the polymer contains a constitutional unit derived from at least one selected from the group consisting of ethylene (a), an ?-olefin (b) having 3 to 20 carbon atoms, and a cyclic olefin (c), and (1) a ratio of terminal vinylation is 70% or more relative to all of both ends of molecular chains, and (2) an intrinsic viscosity [?] is in the range of 0.01 to 10 dl/g as measured in a decalin solution at 135° C. The polymer of the present invention may be molded by a LIM molding, an injection molding, a transfer molding, a compression molding, and the like, and is excellent in acid resistance, gas permeation resistance, hydrolysis resistance, and dynamic fatigue resistance. From the polymer, a thermoplastic resin composition and a crosslinkable resin composition, and a crosslinked composition having excellent mechanical characteristics are obtained.Type: GrantFiled: August 29, 2007Date of Patent: May 29, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Shigenobu Ikenaga, Keiji Okada, Yoshiki Shimokawatoko, Akihiro Matsuda, Shigekazu Matsui, Masahiro Enna
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Patent number: 8188200Abstract: Disclosed is a method of producing a polyolefin composition comprising contacting a metallocene pre-catalyst, co-catalyst, and a stoichiometric excess of a metal alkyl; adding a first olefin monomer; and polymerizing the first monomer for a time sufficient to form the polyolefin. The method allows for the use of minimum amounts of activating co-catalyst and metallocene pre-catalyst. Also disclosed is a method of producing a block polyolefin composition comprising contacting a metallocene pre-catalyst, a co-catalyst, and a stoichiometric excess of a metal alkyl; adding a first olefin monomer; polymerizing the first monomer for a time sufficient to form the polyolefin; adding a second monomer; and polymerizing the second olefin monomer for a time sufficient to form said block polyolefin composition. Also disclosed are amorphous atactic polymer and copolymer compositions made according to the present invention.Type: GrantFiled: November 10, 2008Date of Patent: May 29, 2012Assignee: University of Maryland, College ParkInventors: Lawrence R. Sita, Wei Zhang
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Publication number: 20120095168Abstract: A method for controlling the physical state of an ultra-high molecular weight polymer to make the ultra-high molecular weight polymer suitable for further processing, and related polymers compositions methods and systems, wherein the method comprises combining a catalyst, monomers, and an additive, for a time and under condition to allow synthesis of a nascent polymer and co-crystallization of the nascent polymer with the additive.Type: ApplicationFiled: October 18, 2011Publication date: April 19, 2012Inventors: Julia A. KORNFIELD, Artemis AILIANOU, Sara RONCA, Sanjay RASTOGI, Giuseppe FORTE
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Publication number: 20120083575Abstract: Embodiments of the invention provide a comb architecture olefin block copolymer, a method of making the comb olefin block copolymer and blends comprising the comb olefin block copolymer.Type: ApplicationFiled: September 9, 2011Publication date: April 5, 2012Applicant: Dow Global Technologies LLCInventors: Phillip D. Hustad, Endre Szuromi, Francis J. Timmers, Edmund M. Carnahan, Thomas P. Clark, Gordon R. Roof, Sara B. Klamo, Daniel J. Arriola
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Patent number: 8148482Abstract: A process for forming tactic polymers employing at least one olefin polymerization catalyst comprising a non-racemic mixture of the R- and S-enantiomers of a metal complex containing at least one asymmetrically substituted (chiral) carbon atom, and a chain shuttling agent, a polar aprotic organic compound, or both a chain shuttling agent and a polar aprotic organic compound.Type: GrantFiled: May 1, 2008Date of Patent: April 3, 2012Assignee: Dow Global Technologies LLCInventors: Vincenzo Busico, Harold W. Boone, James C. Stevens, Francesca Alfano, Roberta Cipullo
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Patent number: 8143327Abstract: A core-shell fine particle (10) is produced as follows. First of all, a monomer mixture containing 15-99% by mass of a crosslinkable monomer and 1-85% by mass of a monomer having an ATRP initiating group is adsorbed into an organic monodispersed seed particle. Next, the monomer mixture is polymerized by a polymerization initiator, thereby forming a core layer composed of a monodispersed crosslinked fine particle (11) containing an ATRP initiating group (12). A shell layer (13) is then formed by graft polymerizing a monomer onto the thus-obtained core layer.Type: GrantFiled: April 15, 2008Date of Patent: March 27, 2012Assignee: NOF CorporationInventors: Masaki Hayashi, Masumi Takamura
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Patent number: 8138270Abstract: The present invention provides a process for producing a block copolymer in high productivity, by anionic polymerization by use of a lithium initiator, and also to provide the block copolymer and a hydrogenated product thereof, the block copolymer having a conjugated diene block portion with a high vinyl bond content and a vinyl aromatic block portion with a narrow molecular weight distribution and exhibiting a narrow molecular weight distribution and high strength. A conjugated diene monomer and a vinyl aromatic monomer by use of a lithium initiator, are block copolymerized by making a tertiary amine compound and (2) sodium alkoxide coexist, wherein (2)/(1) (a molar ratio)=from 0.01 or more to less than 0.1.Type: GrantFiled: August 16, 2006Date of Patent: March 20, 2012Assignee: Asahi Kasei Chemicals CorporationInventors: Masahiro Sasagawa, Katsunori Nitta
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Patent number: 8129487Abstract: A process for forming a high molecular weight, multi-block copolymer comprising two or more chemically distinguishable segments or blocks, the process comprising polymerizing one or more olefin monomers in the presence of a chain shuttling agent and a catalyst composition comprising two or more olefin polymerization catalysts capable of preparing polymers having differing chemical or physical properties under equivalent polymerization conditions, or a catalyst composition comprising at least one olefin polymerization catalyst containing multiple active catalyst sites capable of preparing polymers having differing chemical or physical properties.Type: GrantFiled: May 1, 2008Date of Patent: March 6, 2012Assignee: Dow Global Technologies LLCInventors: Vincenzo Busico, Francesca Alfano, Harold W. Boone, Roberta Cipullo, James C. Stevens
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Patent number: 8129475Abstract: A process of preparing a telechelic polyolefin is disclosed by performing steps 1a, 2, and 1b in this order in the presence of an olefin polymerizing catalyst and subsequently performing step 3 if necessary. Step 1a involves reacting the olefin polymerizing catalyst with a polar-group-containing olefin (C). Step 2 involves reacting the resultant compound of step 1a with at least one olefin (D) selected from ethylene and olefins having 3 to 20 carbon atoms n times wherein n is an integer of 1 or more, provided that when n is an integer of 2 or more, the olefins (D) used in the respective contact operations are different in kind or composition. Step 1b involves reacting the resultant compound of step 2 with the same or different polar-group-containing olefin (C). Step 3 involves chemically converting the Y? group in the general formula (II) to a different group.Type: GrantFiled: April 13, 2011Date of Patent: March 6, 2012Assignee: Mitsui Chemicals, Inc.Inventors: Haruyuki Makio, Terunori Fujita
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Publication number: 20120034486Abstract: Disclosed is a rubber composition for a conveyor belt, which is characterized by containing 0.5-3 parts by weight of zinc dimethacrylate and 1.1-4.5 parts by weight of neodecanoic acid cobalt boride per 100 parts by weight of the rubber component. Also disclosed is a conveyor belt in which a galvanized steel cord that is covered with an adhesive rubber layer formed from the rubber composition is used as the core body. The rubber composition has excellent adhesion to a galvanized steel cord and good vulcanization rate. The conveyor belt using the rubber composition has excellent durability and productivity.Type: ApplicationFiled: April 19, 2010Publication date: February 9, 2012Applicant: Bridgestone CorporationInventor: Hiroki Nakano
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Patent number: 8097682Abstract: A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form I after 100 hours at room temperature, said composition comprising: a) from 5% by weight to 95% by weight of an atactic 1-butene propylene copolymer having the following features: i) distribution of molecular weight Mw/Mn equal to or lower than 4; ii) no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); and iii) infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene propylene copolymer having the following features: i) isotactic pentads (mmmm) measured by 13C-NMR, higher than 80%; ii) melting point (Tm(II)) higher than 70° C.; and iii) distribution of molecular weight Mw/Mn equal to or lower than 4.Type: GrantFiled: August 23, 2007Date of Patent: January 17, 2012Assignee: Basell Polyolefine GmbHInventors: Giampaolo Pellegatti, Daniele Bigiavi, Rita Martelli, Maria Silvia Tonti, Luigi Resconi, Simona Guidotti
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Patent number: 8093337Abstract: Golf balls including cores formed from polybutadiene reaction products having a percent change in dynamic stiffness from 0° C. to ?50° C. of less than 130 percent where the reaction products include a resilient polymer component, a crosslinking material, a cis-to-trans catalyst, and a free radical source. The golf balls may be formed with polyurethane covers, covers formed from castable reactive liquid materials, among other materials. The golf balls may also include an intermediate layer.Type: GrantFiled: May 7, 2009Date of Patent: January 10, 2012Assignee: Acushnet CompanyInventors: Shenshen Wu, Edmund A. Hebert, Laurent Bissonnette, David A. Bulpett, Murali Rajagopalan, Peter Voorheis, Mark N. Wrigley
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Patent number: 8088867Abstract: The invention relates to a polymer blend prepared by the process of combining under polymerization conditions: (A) a first catalyst capable of producing a first crystalline polymer having an Mw of 100,000 or less, (B) a second catalyst capable of preparing a second amorphous polymer having an Mw of 100,000 or less and differing in chemical or physical properties from the first polymer under equivalent polymerization conditions, (C) a cocatalyst, activator, scavenger, or combination thereof, and (D) one or more olefins; wherein the polymer blend is formed in-situ, comprises crystalline polymer segments and amorphous polymer segments, and has an Mw of 100,000 or less.Type: GrantFiled: August 2, 2007Date of Patent: January 3, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Peijun Jiang, Armenag Hagop Dekmezian, Jo Ann Marie Canich, Charles Lewis Sims, Ramin Abhari, Cesar Alberto Garcia-Franco, David Raymond Johnsrud
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Publication number: 20110294957Abstract: A method for transitioning from a Ziegler-Natta to a Phillips catalyst system for the olefin polymerization reaction in one reactor, preferably a gas phase reactor, is described. The method comprises the steps of a) discontinuing a first olefin polymerization reaction performed in the presence of the Ziegler-Natta catalyst system; b) performing a second olefin polymerization reaction in the presence of a further catalyst system comprising catalyst components (A) and (B) producing, respectively, a first and a second polyolefin fraction, wherein the Mw of the first polyolefin fraction is less than the Mw of the second polyolefin fraction and the initial activity of catalyst component (A) exceeds the initial activity of catalyst component (B); and c) performing a third olefin polymerization reaction the presence of the Phillips catalyst system.Type: ApplicationFiled: December 17, 2009Publication date: December 1, 2011Applicant: BASELL POLYOLEFINE GMBHInventors: Gerhardus Meier, Shahram Mihan
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Patent number: 8058351Abstract: A process for producing low molecular weight polymers, the process comprising partially hydrogenating an unsaturated polymer to form a partially hydrogenated polymer, and reacting the partially hydrogenated polymer with an acyclic alkene in the presence of a metathesis catalyst.Type: GrantFiled: May 19, 2006Date of Patent: November 15, 2011Assignee: Bridgestone CorporationInventors: James Pawlow, James Hall, Jason Poulton
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Patent number: 8039201Abstract: The present invention relates to an antireflective composition comprising a polymer, a thermal acid generator and optionally a crosslinking agent, where the polymer comprises at least one hydrophobic unit (1), at least one chromophore unit (2), at least one unit with a crosslinking site (3) and optionally a unit capable of crosslinking the polymer, where, R1 to R8 are independently selected from hydrogen and C1-C4 alkyl, W1 is a fully or partially fluorinated alkylene group, X is selected from F, H and OH; W2 comprises a chromophore group, and W3 Y comprises a crosslinking site. The invention also relates to a process for using the antireflective coating composition.Type: GrantFiled: November 21, 2007Date of Patent: October 18, 2011Assignee: AZ Electronic Materials USA Corp.Inventors: Huirong Yao, Zhong Xiang, Jian Yin, Weihong Liu
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Publication number: 20110251112Abstract: The present invention relates to a graft polymer of (a) a polyalphaolefin having a weight average molecular weight of less than 15000 and a polydispersity of 1.1 to 10; (b) a nitrogenous, ethylenically unsaturated, aliphatic or aromatic, graftable monomer having from 2 to about 50 carbon atoms; and (c) an organo-metallic compound selected from organo-molybdenum, organo-titanium, organo-manganese compounds and mixtures thereof; a process for making the graft polymer; and a lubricating oil composition comprising a major amount of a base oil and a minor amount of the graft polymer.Type: ApplicationFiled: April 1, 2011Publication date: October 13, 2011Applicant: Castrol LimitedInventor: Richard P. Sauer
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Patent number: 8034879Abstract: The invention relates to a process for preparing CABAC or ACBCA pentablock copolymers based on (meth)acrylate with an OH functionalization of the A blocks.Type: GrantFiled: August 11, 2008Date of Patent: October 11, 2011Assignees: Evonik Roehm GmbH, Henkel AG&Co. HGAAInventors: Sven Balk, Gerd Loehden, Holger Kautz, Volker Erb, Uwe Franken, Georg Kinzelmann, Thomas Moeller
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Publication number: 20110230622Abstract: A metallocene complex by which high uptake efficiency of ethylene and/or ?-olefin can be obtained compared with the conventional metallocene catalyst, and rubber component having high molecular weight can be polymerized, and polymerization method of olefin. Metallocene complex (metallocene complex having furyl or thienyl group in which substituent exists at 5-position of indenyl ring, and substituent may exist at 2-position of indenyl ring, and the like) represented by the general formula [I], the catalyst for olefin polymerization characterized by comprising said metallocene complex, and polymerization method of olefin characterized in that polymerization or copolymerization of olefin is carried out using said polymerization catalyst for olefin, and the like.Type: ApplicationFiled: December 14, 2009Publication date: September 22, 2011Applicant: JAPAN POLYPROPYLENE CORPORATIONInventors: Masato Nakano, Hideshi Uchino, Naoshi Iwama, Masami Kashimoto, Tomohiro Kato
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Patent number: 8017693Abstract: A telechelic polyolefin represented by the following general formula (I): X—P—Y??(1) wherein X and Y are each a group containing at least one element selected from oxygen, sulfur, nitrogen, phosphorus and halogens, X and Y may be the same or different, P represents a chain made mainly of an olefin composed only of carbon and hydrogen atoms, and X and Y are bonded to both terminals of P, wherein the molecular weight distribution (Mw/Mn) obtained by gel permeation chromatography (GPC) is from 1.0 to 1.5, is useful for various purposes.Type: GrantFiled: August 27, 2004Date of Patent: September 13, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Haruyuki Makio, Terunori Fujita
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Patent number: 7989551Abstract: A process for the polymerization of one or more addition polymerizable monomers to form a copolymer comprising multiple regions or segments of differentiated polymer composition or properties comprising contacting an addition polymerizable monomer or mixture of monomers under addition polymerization conditions with a composition comprising at least one olefin polymerization catalyst, a cocatalyst and a chain shuttling agent, said process being characterized by formation of at least some of the growing polymer chains under differentiated process conditions such that two or more blocks or segments formed within at least some of the resulting polymer are chemically or physically distinguishable.Type: GrantFiled: January 30, 2006Date of Patent: August 2, 2011Assignee: Dow Global Technologies LLCInventors: Daniel J. Arriola, Edmund M. Carnahan, Marilyn Bokota, Phillip D. Hustad, Roger L. Kuhlman, Timothy T. Wenzel, Pamela J. Stirn
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Patent number: 7956132Abstract: Telechelic unsaturated polymers suitable for conversion to functionalized derivatives such as polyols are prepared by metathesis of an unsaturated copolymer formed by addition polymerization of ethylene, a diene or alkyne and, optionally, one or more C3.20 ?-olefins.Type: GrantFiled: August 23, 2007Date of Patent: June 7, 2011Assignee: Dow Global Technologies LLCInventors: Daniel J. Arriola, John R. Briggs, Francis J. Timmers, Nicole L. Wagner, Timothy T. Wenzel
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Patent number: 7893166Abstract: Embodiments of the invention provide a class of ethylene/?-olefin block interpolymers. The ethylene/?-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene/?-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (“TREF”), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/?-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.3.Type: GrantFiled: September 11, 2009Date of Patent: February 22, 2011Assignee: Dow Global Technologies, Inc.Inventors: Colin Li Pi Shan, Lonnie G. Hazlitt, Yunwa Wilson Cheung, Benjamin C. Poon, Phillip D. Hustad, Roger L. Kuhlman, Edmund M. Carnahan, Xiao Hua Qiu, Angela N. Taha
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Patent number: 7893174Abstract: Embodiments of the polymerization process of the present invention are directed to polymerizing free radically polymerizable monomers in the presence of a polymerization medium initially comprising at least one transition metal catalyst and an atom transfer radical polymerization initiator. The polymerization medium may additionally comprise a reducing agent. The reducing agent may be added initially or during the polymerization process in a continuous or intermittent manner. The polymerization process may further comprise reacting the reducing agent with at least one of the transition metal catalyst in an oxidized state and a compound comprising a radically transferable atom or group to form a compound that does not participate significantly in control of the polymerization process.Type: GrantFiled: March 7, 2005Date of Patent: February 22, 2011Assignee: Carnegie Mellon UniversityInventors: Krzysztof Matyjaszewski, Lindsay Bombalski, Wojciech Jakubowski, Ke Min, James Spanswick, Nicolay V. Tsarevsky
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Publication number: 20110015350Abstract: Methods are provided for making reversible crosslinked polymers. Exemplary methods comprise reacting first and second thermoplastic polymers having non-hindered olefins in the presence of a metathesis catalyst under conditions sufficient to form a crosslinked polymer. In certain embodiments, the methods comprise providing a crosslink promoting additive to improve the strength of the crosslinked polymer. In some embodiments, the methods comprise decrosslinking a crosslinked polymer through a metathesis or an ozonolysis reaction.Type: ApplicationFiled: July 17, 2009Publication date: January 20, 2011Applicant: Tyco Electronics CorporationInventors: Mark W. Ellsworth, Stefanie M. Gravano-Doerffler
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Patent number: 7868098Abstract: The invention relates to a process for preparing (meth)acrylate-based ABA triblock copolymers with an olefinic functionalization of the A blocks.Type: GrantFiled: August 30, 2006Date of Patent: January 11, 2011Assignee: Evonik Roehm GmbHInventors: Gerd Loehden, Sven Balk, Monika Maerz, Christine Troemer
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Patent number: 7868087Abstract: The present invention relates to synthetic methods for grafting hydrophilic chains onto polymers, particularly hydrophobic polymers such as poly(vinyl chloride) (PVC), poly(vinylidene fluoride) (PVDF), and chlorinated polypropylene (cPP). Resulting polymers include comb polymers which can have a microphase-separated structure of hydrophilic domains provided by the hydrophilic chains. Articles prepared from these comb polymers, particularly derived from PVDF, include membranes for water filtration in which the hydrophilic domains provide a pathway for water transport. PVC can be plasticized by grafting the PVC with hydrophilic chains. In addition, such articles, particularly articles having biomedical applications, can display anti-thrombogenic properties.Type: GrantFiled: September 29, 2006Date of Patent: January 11, 2011Assignee: Massachusetts Institute of TechnologyInventors: Anne M. Mayes, Jonathan F. Hester, Pallab Banerjee, Ariya Akthakul
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Patent number: 7868097Abstract: A hybrid polymer has a structure in which a polyolefin segment and a polar polymer segment are connected not via a bonding group containing a heteroatom. A method of the invention produces the hybrid polymer with industrial advantages. The hybrid polymer includes a polyolefin segment (A) and a polar polymer segment (B), the polar polymer segment being obtained by radical polymerization of a radically polymerizable monomer.Type: GrantFiled: February 21, 2006Date of Patent: January 11, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Hideyuki Kaneko, Shinichi Kojoh, Nobuo Kawahara, Shingo Matsuo, Tomoaki Matsugi, Norio Kashiwa
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Patent number: 7858706Abstract: A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.Type: GrantFiled: March 17, 2005Date of Patent: December 28, 2010Assignee: Dow Global Technologies Inc.Inventors: Daniel J. Arriola, Edmund M. Carnahan, Yunwa Wilson Cheung, David D. Devore, David D. Graf, Phillip D. Hustad, Roger L. Kuhlman, Colin Li Pi Shan, Benjamin C. Poon, Gordon R. Roof, James C. Stevens, Pamela J. Stirn, Timothy T. Wenzel
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Patent number: 7858707Abstract: A polymerization process and the resulting polymer composition, said process comprising polymerizing one or more addition polymerizable monomers and a polymerizable shuttling agent in the presence of at least one addition polymerization catalyst comprising a metal compound or complex and a cocatalyst under conditions characterized by the formation of a branched polymer, preferably comprising pseudo-block molecular architecture.Type: GrantFiled: September 14, 2006Date of Patent: December 28, 2010Assignee: Dow Global Technologies Inc.Inventors: Daniel J. Arriola, Edmund M. Carnahan, David D. Devore, Phillip D. Hustad, Brian A. Jazdzewski, Roger L. Kuhlman, Francis J. Timmers, Timothy T. Wenzel
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Patent number: 7825200Abstract: Described are novel monomers bearing functionalities capable of initiating control free radical reactions, and a novel process using these initiating monomers in the co-polymerization of an olefin for the formation of well-controlled polyethylene graft polymers where the graft component is derived from controlled free radical polymerization reactions. The initiating monomers are produced by combining an amount of 5-norbornen-2-ol with a hydride or amine for a predetermined amount of time to form a mixture; and adding an amount of an alkyl or acyl halide to said mixture. Polymerization of an olefin with an initiating monomer is conducted in the presence of a metal compound, where the metal compound is comprised of a Group VIII transition metal complex.Type: GrantFiled: January 18, 2007Date of Patent: November 2, 2010Assignee: The Regents of the University of CaliforniaInventors: Guillermo C. Bazan, Robert C. Coffin
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Patent number: 7807763Abstract: A method for polymerizing conjugated diene monomer into polydienes, the method comprising: polymerizing conjugated diene monomer within a liquid-phase polymerization mixture that includes conjugated diene monomer, a lanthanide-based catalyst system, dicyclopentadiene or substituted dicyclopentadiene, and optionally organic solvent, with the proviso that the organic solvent, if present, is less than about 20% by weight based on the total weight of the polymerization mixture.Type: GrantFiled: April 7, 2008Date of Patent: October 5, 2010Assignee: Bridgestone CorporationInventors: Mark W. Smale, Steven Luo, Kevin McCauley, Randhir Shetty
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Patent number: 7767762Abstract: Novel methods for forming copolymers, including block copolymers, which comprise one or more olefin units and one or more protected or unprotected hydroxystyrene units are provided.Type: GrantFiled: August 11, 2006Date of Patent: August 3, 2010Assignee: University of Massachusetts LowellInventor: Rudolf Faust
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Patent number: 7763681Abstract: Process for the preparation of polyalkenyl acylating agents which comprises: a. reacting at a temperature higher than 180° C. a reactive polyalkene, having a number average molecular weight Mn ranging from 500 to 5000 and having a content of terminal vinylidene groups greater than or equal to 30%, with an enophile; b. thermally carrying out the reaction for a time sufficient for having a conversion of the terminal vinylidene groups higher than 15%; c. completing the reaction always under heat in the presence of a reaction accelerator consisting of a Lewis acid selected from a tin, zinc, aluminum or titanium halide.Type: GrantFiled: July 11, 2007Date of Patent: July 27, 2010Assignee: ENI S.p.A.Inventors: Riccardo Rausa, Andrea Pucci, Luigi D'Elia, Francesco Ciardelli
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Patent number: 7754820Abstract: The present invention discloses a composition suitable for use as a top antireflective coating and barrier layer for 193 nm lithography. The inventive composition is soluble in aqueous base solutions and has low refractive index at 193 nm. The inventive composition comprises an aqueous base-soluble polymer having a backbone and a fluorinated half ester moiety. The fluorinated half ester moiety is pendant from the backbone. The present invention also discloses a method of forming a patterned layer on a substrate by using the inventive composition in lithography.Type: GrantFiled: July 21, 2008Date of Patent: July 13, 2010Assignee: International Business Machines CorporationInventors: Wu-Song S. Huang, Wenjie Li, Pushkara R. Varanasi
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Patent number: 7754839Abstract: Methods and compositions for the generation of quasi-living catalysts for homo-polymerization of olefins such as ethylene, ?-olefins and functionalized olefins and for the co-polymerization of olefins with functionalized monomers is disclosed. A process for producing these homo- and co-polymers is also disclosed. A polymeric material with enhanced hydrophilic properties, generated by the co-polymerization of ethylene with 5-norbornen-2-yl acetate, is also disclosed.Type: GrantFiled: March 3, 2003Date of Patent: July 13, 2010Assignee: The Regents of the University of CaliforniaInventors: Guillermo C. Bazan, Prasenjit Ghosh, Fumihiko Shimizu
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Patent number: 7745539Abstract: The present invention relates to nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art. The present invention also relates to a process for the manufacture of said nitrile rubber and the use of said nitrile rubber for the manufacture of shaped articles.Type: GrantFiled: August 26, 2004Date of Patent: June 29, 2010Assignee: LANXESS Inc.Inventors: Frédéric Guérin, Sharon X. Guo
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Patent number: 7732532Abstract: A multistage propylene-based polymer including the following components (A) and (B): (A) 5 to 20 wt % of a propylene homopolymer component or a copolymer component of propylene and an ?-olefin with 2 to 8 carbon atoms having an intrinsic viscosity [?] of more than 10 dL/g in tetralin at 135° C.; and (B) 80 to 95 wt % of a propylene homopolymer component or a copolymer component of propylene and an ?-olefin with 2 to 8 carbon atoms having an intrinsic viscosity [?] of 0.5 to 3.0 dL/g in tetralin at 135° C.Type: GrantFiled: March 15, 2005Date of Patent: June 8, 2010Assignee: Prime Polymer Co., Ltd.Inventors: Ryoichi Tsunori, Yasuhiko Otsuki, Tsutomu Onodera, Shohei Ikeda, Masayuki Shinohara
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Patent number: 7709182Abstract: An antireflection film-forming composition which has excellent applicability, is significantly inhibited from generating ultrafine microbubbles, gives an antireflection film capable of sufficiently reducing the standing-wave effect, and has excellent solubility in water and an alkaline developing solution. The antireflection film-forming composition contains: (A) a copolymer (salt) of a sulfonic acid group-containing acrylamide derivative represented by, e.g., 2-(meth)acrylamido-2-methylpropanesulfonic acid and a fluoroalkyl group-containing acrylic acid ester derivative represented by, e.g., 2,2,3,3,3-pentafluoropropyl (meth)acrylate; and (B) a surfactant whose 0.1 wt. % aqueous solution has a surface tension as measured at 25° C. of 45 mN/m or lower.Type: GrantFiled: November 28, 2005Date of Patent: May 4, 2010Assignee: JSR CorporationInventors: Nakaatsu Yoshimura, Keiji Konno
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Patent number: 7709687Abstract: The present invention provides a novel dicarbanionic initiator of formula (I). The present process further provides a process for the preparation of dicarbanionic initiator of formula (I) comprising reacting 1-bromo-4-(4?-bromophenoxy)-2-pentadecyl benzene of formula (II) with alkyllithium compound for an effecting halogen-lithium exchange reaction of 1-bromo-4-(4?-bromophenoxy)-2-pentadecyl benzene with sec-butyllithium in the presence of a non polar solvent, at a temperature in the range of 0 to 25° C. and its use as an initiator for the synthesis of telechelic polydienes and polystyrenes and SBS or SIS triblock copolymers.Type: GrantFiled: October 6, 2006Date of Patent: May 4, 2010Assignee: Council Of Scientific & Industrial ResearchInventors: Yves Gnanou, Rachid Matmour, Arvind Sudhakar More, Prakash Purushottam Wadgaonkar
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Publication number: 20100087600Abstract: A novel process for reducing the molecular weight of nitrile rubber in the presence of specific catalyst systems containing the metathesis catalyst and also a specific addition of fluorine-containing boron compounds is provided.Type: ApplicationFiled: June 23, 2009Publication date: April 8, 2010Applicant: LANXESS Deutschland GmbHInventors: Julia Maria Müller, Oskar Nuyken, Werner Obrecht
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Patent number: 7683136Abstract: An elastomeric compound comprises 20-80 parts per hundred cross-linkable materials of liquid elastomer. The liquid elastomer has a complex dynamic viscosity less than 5 McP (5,000 N*s/m2) at a temperature between 20° C. and the maximum flow temperature TF, and the elastomeric compound the elastomeric material has a complex dynamic viscosity of less than 5 McP (5,000 N*s/m2) for at least 2 minutes at a maximum flow temperature TF.Type: GrantFiled: June 16, 2005Date of Patent: March 23, 2010Assignee: VeyanceTechnologies, Inc.Inventors: Douglas Bruce Wood, Thomas George Burrowes
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Patent number: 7678870Abstract: A process is provided herein for preparing molecularly imprinted polymers for detecting a target analyte by Reversible Addition Fragmentation Chain Transfer (RAFT). The process includes providing a complex having the formula L3M wherein L is a ?-diketone ligand containing a chain transfer moiety and L3 can be the same or different ligands, and M is a lanthanide element; reacting the complex with the target analyte to provide an adduct containing the target analyte; co-polymerizing the adduct with a monomer and cross-linking agent to provide a polymer; and removing the target analyte from the polymer to provide the molecularly imprinted polymer.Type: GrantFiled: October 4, 2004Date of Patent: March 16, 2010Assignee: The Johns Hopkins UniversityInventors: Glen E. Southard, George M. Murray
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Patent number: 7662887Abstract: The residual chlorine content of a polyolefin-substituted carboxylic acylating agent formed by a halogen-assisted reaction of a polyalkene and at least one olefinic, monounsaturated mono- or dicarboxylic acid, anhydride or ester, is reduced when the reaction is conducted in the presence of a controlled amount of a metal compound.Type: GrantFiled: October 1, 2008Date of Patent: February 16, 2010Assignee: Infineum International LimitedInventors: Richard Joseph Severt, Antonio Gutierrez, Jacob Emert, Ramdas Venkatram, Jeremy Roger Spencer, Allison Joan Baker
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Patent number: 7655732Abstract: A low compression, resilient golf ball having a center including a material formed from the conversion reaction of sufficient amounts of polybutadiene, a free radical source, and a cis-to-trans catalyst to convert a portion of cis-isomer to trans-isomer in the polybutadiene, wherein said material has an amount of trans-isomer greater than the amount of trans-isomer present before the conversion reaction, and wherein the reaction product includes low levels or substantially no antioxidant.Type: GrantFiled: September 17, 2008Date of Patent: February 2, 2010Assignee: Acushnet CompanyInventors: Derek A. Ladd, Laurent C. Bissonnette, David A. Bulpett, Murali Rajagopalan