From Cycloaliphatic Monomer Patents (Class 526/308)
-
Publication number: 20030144444Abstract: In one aspect, the invention provides ene-thiol elastomers comprising the reaction product of a polythiol free of hydrophilic groups and having at least two thiol groups and an aromatic, heterocyclic, aliphatic, or cycloaliphatic polyene having at least two reactive unsaturated carbon to carbon bonds. In another aspect, the invention provides ene-thiol elastomer comprising the reaction product of (a) a thiol terminated oligomer comprising the reaction product of a polythiol having two thiol groups and a first polyene or mixture of polyenes having two reactive unsaturated carbon to carbon bonds; and (b) a second polyene or a mixture of polyenes having at least 5 percent functional equivalents of unsaturated carbon to carbon bonds from polyenes having at least three unsaturated carbon to carbon bonds. The ene-thiol elastomers of the invention have a weight increase of not more than 4 weight percent in 15 days at a temperature of 22° C.Type: ApplicationFiled: September 23, 2002Publication date: July 31, 2003Applicant: 3M Innovative Properties CompanyInventors: Kathleen B. Gross, William J. Schultz
-
Publication number: 20030144443Abstract: In one aspect, the invention provides ene-thiol elastomers comprising the reaction product of a polythiol free of hydrophilic groups and having at least two thiol groups and an aromatic, heterocyclic, aliphatic, or cycloaliphatic polyene having at least two reactive unsaturated carbon to carbon bonds. In another aspect, the invention provides ene-thiol elastomer comprising the reaction product of (a) a thiol terminated oligomer comprising the reaction product of a polythiol having two thiol groups and a first polyene or mixture of polyenes having two reactive unsaturated carbon to carbon bonds; and (b) a second polyene or a mixture of polyenes having at least 5 percent functional equivalents of unsaturated carbon to carbon bonds from polyenes having at least three unsaturated carbon to carbon bonds. The ene-thiol elastomers of the invention have a weight increase of not more than 4 weight percent in 15 days at a temperature of 22° C.Type: ApplicationFiled: September 23, 2002Publication date: July 31, 2003Applicant: 3M Innovative Properties CompanyInventors: Kathleen B. Gross, William J. Schultz
-
Publication number: 20030139284Abstract: A catalyst composition for preparing olefin polymers. The catalyst composition includes a metallocene compound and an activating cocatalyst. In the metallocene compound, two cyclopentadienyl groups are bridged by X (carbon, silicon, germanium or tin) in a ring structure. The bite angle &thgr; formed by the two cyclopentadienyl rings and X is equal to or greater than 100 degrees. The obtained olefin polymer has high cycloolefin conversion and a high glass transition temperature. In addition, the catalyst composition can still maintain relatively high activity at high temperature reaction conditions.Type: ApplicationFiled: September 17, 2002Publication date: July 24, 2003Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jing-Cherng Tsai, Ming-Yuan Wu, Tung-Ying Hsieh, Yuh-Yuan Wei, Chao-Ying Yu
-
Patent number: 6593438Abstract: This invention relates to a composition of matter comprising the catalyst compound comprising a transition metal complexed with a facially coordinating tridentate bisamide ligand. The invention is also directed to a catalyst system or a supported catalyst system comprising this compound and an activator and to a process for using the catalyst system or supported catalyst system in a process for polymerizing olefin(s).Type: GrantFiled: December 4, 2000Date of Patent: July 15, 2003Assignee: Univation Technologies, LLCInventor: John H. Oskam
-
Publication number: 20030130449Abstract: Olefins are polymerized by novel transition metal complexes of selected iminocarboxylate and iminoamido ligands, sometimes in the presence of cocatalysts such as alkylaluminum compounds or neutral Lewis acids. Olefins which may be (co)polymerized include ethylene, &agr;-olefins, and olefins containing polar groups such as olefinic esters for example acrylate esters. Also described are certain “Zwitterionic” transition metal complexes as polymerization catalysts for making polar copolymers. The resulting polymers are useful as thermoplastics and elastomers.Type: ApplicationFiled: October 17, 2002Publication date: July 10, 2003Inventors: Lin Wang, Lynda Kaye Johnson, Alex Sergey Ionkin
-
Publication number: 20030130456Abstract: Vinyl group-containing diarylethene monomers and photochromic polymers made there from. The diarylethene monomers may be suitable for controlled polyermerization. Polymers formed from the diarylethene monomers may have optical properties such as, for example, optical signal control properties, photochromic properties, and/or optical reflectivity properties.Type: ApplicationFiled: September 19, 2002Publication date: July 10, 2003Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYInventors: Eun Kyoung Kim, Song Yun Cho, Min Ja Yoo, Kwang-Hyun Ahn
-
Patent number: 6590048Abstract: The present invention describes the use of cationic vinylidene, allenylidene and higher cumulenylidene complexes of ruthenium or osmium as catalysts or catalyst precursors for olefin metathesis reactions of all types, as well as to new cationic allenylidene complexes of ruthenium and osmium which can be used as metathesis catalysts with preferred embodiment. These catalysts or catalyst precursors are easy to prepare from well accessible, stable and essentially non toxic starting materials, can be isolated and stored, they exhibit a high catalytic activity, a good compatibility with functional groups, solvents, water and additives, and they need not to be activated by any additive.Type: GrantFiled: January 2, 2001Date of Patent: July 8, 2003Assignee: Studiengesellschaft Kohle mbHInventors: Alois Fürstner, Pierre Dixneuf, Christian Bruneau, Michel Picquet
-
Publication number: 20030120011Abstract: The invention relates to a method for polymerizing polar substituted norbornenes and/or cycloalkenes, optionally, in the presence of another unsaturated compound. The method is characterized in that the polymerization is carried out in the presence of one or more tungsten carbine complexes and/or molybdenum carbine complexes.Type: ApplicationFiled: September 24, 2002Publication date: June 26, 2003Inventors: Karl-Heinz Aleksander Ostoja Starzewski, Karin Weiss, Martin Olaf Thuring
-
Publication number: 20030114623Abstract: The present invention provides an olefin polymer having a narrow molecular weight distribution and a specific molecular weight, an olefin polymer having a functional group introduced at the terminal, a tapered polymer containing a segment wherein monomer composition continuously changes in the polymer chain, an olefin polymer having different segments which are bonded to each other, and a process for preparing these polymers. The olefin polymers of the invention are polymers of olefins of 2 to 20 carbon atoms and have a number-average molecular weight of not less than 500 and Mw/Mn of not more than 1.5.Type: ApplicationFiled: September 26, 2001Publication date: June 19, 2003Inventors: Makoto Mitani, Yasunori Yoshida, Junichi Mohri, Kazutaka Tsuru, Seiichi Ishii, Shinichi Kojoh, Tomoaki Matsugi, Junji Saito, Naoto Matsukawa, Shigekazu Matsui, Takashi Nakano, Hidetsugu Tanaka, Norio Kashiwa, Terunori Fujita
-
Patent number: 6579956Abstract: A method for producing a polymer by coordination polymerization, comprising the steps of (a) reacting an unsaturated polar monomer having a functional group releasing a proton or a salt of the unsaturated polar monomer, with a masking agent comprising a halogenated organometallic compound or a organoaluminum compound capable of masking the functional group to form a corresponding masked monomer; and (b) polymerizing the masked monomer either alone or in combination with another monomer in the presence of the coordination polymerization catalyst to obtain the polymer.Type: GrantFiled: June 7, 2001Date of Patent: June 17, 2003Assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, University of MassachusettsInventors: Hiromitsu Tanaka, Bruce M. Novak
-
Patent number: 6573349Abstract: The present invention relates to a polymer produced by polymerizing a vinyl aromatic monomer in the presence of a small amount of furfuryl (alkyl)acrylate.Type: GrantFiled: July 25, 2001Date of Patent: June 3, 2003Assignee: Dow Global Technologies Inc.Inventors: Jose M. Rego, Ludo Aerts, Duane B. Priddy, Mehmet Demirors
-
Patent number: 6566465Abstract: Conjugated diolefins, optionally in combination with other unsaturated compounds which may be copolymerized with the diolefins, are polymerized by performing the polymerization of the diolefins in the presence of catalysts based on monocyclopentadienyl compounds of vanadium and alumoxanes in the presence of aromatic vinyl compounds as the solvent at temperatures of −30 C. to +80 C. By means of the process according to the invention, it is possible to straightforwardly produce solutions of polydiolefins, such as polybutadiene, having 1,2 unit contents of 10 to 30% in aromatic vinyl compounds, which solutions may then, for example, be further processed to yield ABS or HIPS.Type: GrantFiled: January 11, 2001Date of Patent: May 20, 2003Assignee: Bayer AtkiengesellschaftInventors: Heike Windisch, Werner Obrecht, Gisbert Michels, Norbert Steinhauser
-
Patent number: 6552139Abstract: The invention relates to complexes of ruthenium of the structural formula I where X is an anionic ligand, Z is a monodentate to tridentate ligand which contains a metal and is nonionically bound to the ruthenium center, R1 and R2 are identical or different and are each hydrogen or/and a hydrocarbon group, but may also form a ring, and Ligand L is an N-heterocyclic carbene, and also to a process for preparing acyclic olefins having two or more carbon atoms or/and cyclic olefins having three or more carbon atoms and the use of at least one complex of the formula I in olefin metathesis.Type: GrantFiled: January 20, 2000Date of Patent: April 22, 2003Assignee: Degussa AGInventors: Wolfgang Anton Herrmann, Florian J. Kohl, Thomas Weskamp
-
Patent number: 6552148Abstract: The present invention relates to a thermoplastic interpolymer product comprising an &agr;-olefin interpolymerized with at least one vinyl or vinylidene aromatic monomer and/or at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene aromatic monomer and, in at least one aspect, is characterized as having substantially synergistic thermal properties. The invention also relates to a process for manufacturing the interpolymer product wherein the process employs two or more single site or metallocene catalyst systems in at least one reaction environment and wherein at least two of the catalyst systems have (a) different monomer incorporation capabilities or reactivities and (b) the same or, optionally, different monomer sequencing and/or tacticity characteristics.Type: GrantFiled: February 17, 2000Date of Patent: April 22, 2003Assignee: The Dow Chemical CompanyInventors: Yunwa W. Cheung, Martin J. Guest, Robert K. Rosen, Brian W. Kolthammer
-
Publication number: 20030055186Abstract: Substituted cyclopentenes, such as alkyl cyclopentenes, are polymerized by selected &agr;-imine complexes of nickel and palladium. The polymers are useful as molding resins or elastomers. Also disclosed herein are novel catalysts for the polymerization of cyclopentenes to form novel higher melting homopolycyclopentenes.Type: ApplicationFiled: April 2, 2001Publication date: March 20, 2003Inventors: Stephan J. McLain, Elizabeth F. McCord, Alison M. Bennett, Steven D. Ittel, Mark F. Teasley
-
Publication number: 20030040592Abstract: To provide a hydrocarbon resin for improving rubber compositions, wherein the hydrocarbon resin has improved durability, abrasion resistance, stretch, and productivity, while retaining puncturing strength and tear strength of vulcanized rubber products such as tires and the like; and to also provide a rubber composition comprising the hydrocarbon resin, or vehicle tire obtained from the rubber composition,Type: ApplicationFiled: July 3, 2002Publication date: February 27, 2003Applicant: Nippon Petrochemicals Co., Ltd.Inventors: Shuichi Tajima, Kazuo Kawai
-
Publication number: 20030040590Abstract: The present invention provides a novel process for the preparation of isoolefin copolymers in the presence of zirconium halides and/or hafnium halides and organic acid halides, in particular for the preparation of butyl rubbers, as well as isoolefin copolymers constructed of isobutene, isoprene and optionally further monomers.Type: ApplicationFiled: August 16, 2002Publication date: February 27, 2003Inventors: Gerhard Langstein, Jurgen Ismeier, Martin Bohnenpoll, Hans Ludwig Krauss, Rui Resendes
-
Publication number: 20030027957Abstract: Selected nickel complexes of the anions of certain 2-aminotropones are olefin polymerization catalysts. Novel 2-aminotropones and their nickel complexes are also disclosed together with methods of making these 2-aminotropones.Type: ApplicationFiled: July 22, 2002Publication date: February 6, 2003Inventors: Frederick Hicks, Maurice Brookhart
-
Publication number: 20030023013Abstract: Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula:Type: ApplicationFiled: July 16, 2002Publication date: January 30, 2003Applicant: The B.F.Goodrich CompanyInventors: John-Henry Lipian, Larry F. Rhodes, Brian L. Goodall, Andrew Bell, Richard A. Mimna, John C. Fondran, Saikumar Jayaraman, April D. Hennis, Christine N. Elia, Jennifer D. Polley, Ayusman Sen
-
Patent number: 6506860Abstract: A new and novel linear, regio-regular vicinal functionalized polymer methods of forming the same are described. The polymer has a linear hydrocarbon polymer backbone with vicinal functional groups having oxygen and/or nitrogen atom containing groups, such as hydroxy, carboxylic acid or ester, carbonyl acetate, amide, nitrile and the like, pendent from the polymer backbone chain in a regio-regular manner.Type: GrantFiled: September 28, 2000Date of Patent: January 14, 2003Assignee: Cryovac, Inc.Inventors: Donald Albert Bansleben, Truc-Chi Thi Huynh-Tran, Rusty Lew Blanski, Paul Anthony Hughes, William Peyton Roberts, Robert Howard Grubbs, Galen Richard Hatfield
-
Patent number: 6506866Abstract: Disclosed is a novel ethylene copolymer by copolymerizing an ethylene and at least one comonomer selected from a compound represented by the formula H2C═CHR wherein R is an alkyl group or an aryl group, and a diene, by slurry polymerization process in the presence of a solid catalyst system comprising a support, a transition metal compound and an activator capable of converting the transition metal compound into a catalytically active transition metal complex. The produced copolymer has a density of from 0.870 to 0.Type: GrantFiled: May 16, 1997Date of Patent: January 14, 2003Assignee: Dow Global Technologies Inc.Inventors: Grant B. Jacobsen, Fumio Matsushita, Lee Spencer, Peter L. Wauteraerts
-
Publication number: 20020198342Abstract: A method for making a fiber-reinforced composite comprises dispensing a reactive liquid into a mold. The mold comprises fibers and a single-component activator on the fibers. The reactive liquid comprises a cyclic olefin, and the mold comprises fibers and a single-component ROMP activator on the fibers. Composites formed by the method may have high fiber densities.Type: ApplicationFiled: June 25, 2001Publication date: December 26, 2002Applicant: University of Illinois at Urbana-ChampaignInventors: Michael R. Kessler, Scott R. White, Benjamin D. Myers
-
Patent number: 6492468Abstract: The present invention relates to block copolymers which are predominantly based on vinylcyclohexane and to a process for producing them. The block copolymers can be processed to form mouldings by extrusion or injection moulding. The mouldings which result therefrom are distinguished by their high resistance to thermal deformation, good mechanical properties, high transparency in the visible and near UV range, and by their particularly low birefringence and water absorption.Type: GrantFiled: May 22, 2001Date of Patent: December 10, 2002Assignees: Bayer Aktiengesellschaft, Teijin Ltd.Inventors: Yun Chen, Friedrich-Karl Bruder, Volker Wege, Konstadinos Douzinas, Ralf Dujardin
-
Patent number: 6489033Abstract: Electrets can be produced from cycloolefin copolymers (COCs), and charges applied thereto are stable for long periods, even at high temperatures and high relative humidities. The reduction here in a positive charge applied to the COCs is smaller than that of negative charges applied to the COCs. The stability over time of the charges applied is impaired by adding polar additives, such as inorganic silicon compounds. Films, fibers or nonwovens produced from electrets can be processed to give filters.Type: GrantFiled: February 28, 2000Date of Patent: December 3, 2002Assignee: Ticona GmbHInventors: Wilfried Hatke, Gerhard Sessler, Guo-Mao Yang
-
Acid activation of ruthenium metathesis catalysts and living ROMP metathesis polymerization in water
Patent number: 6486279Abstract: Activation of ruthenium based catalyst compounds with acid to improve reaction rates and yields of olefin metathesis reactions, including ROMP, RCM, ADMET and cross-methasis reactions is disclosed. The ruthenium catalyst compounds are ruthenium carbene complexes of the general formula AxLyXzRu═CHR′ where x=0, 1 or 2, y=0, 1 or 2, and z=1 or 2 and where R′ is hydrogen or a substituted or unsubstituted alkyl or aryl, L is any neutral electron donor, X is any anionic ligand, and A is a ligand having a covalent structure connecting a neutral electron donor and an anionic ligand. The use of acid with these catalysts allows for reactions with a wide range of olefins in a variety of solvents, including acid-initiated RIM processes and living ROMP reactions of water-soluble monomers in water.Type: GrantFiled: June 14, 2001Date of Patent: November 26, 2002Assignee: California Institute of TechnologyInventors: David M. Lynn, Eric L. Dias, Robert H. Grubbs, Bernard Mohr -
Patent number: 6482907Abstract: Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting polymers are useful as molding resins, elastomers, in adhesives and for films.Type: GrantFiled: February 1, 2000Date of Patent: November 19, 2002Assignee: E.I. du Pont de Nemours and CompanyInventors: Lin Wang, Samuel David Arthur, Elizabeth Forrester McCord, Yueli Wang, Peter Arnold Morken, Lynda Kaye Johnson
-
Publication number: 20020169267Abstract: The present invention provides a phase retarder made of a copolymer prepared by polymerizing one non-cyclic olefin monomer (A) selected from ethylene and &agr;-olefin compound having 3 to 20 carbon atoms, one cyclic olefin monomer (B) selected from cyclic olefin compound such as norbornene, and one cyclic vinyl monomer (C) selected from vinyl compound having a cyclic unit made of an aromatic hydrocarbon or an alicyclic hydrocarbon such as styrene or vinylcyclohexane; wherein (1) an amount of the aromatic vinyl monomer is from about 1 to about 20 mol % and a total amount of the non-cyclic olefin monomer (A) and the cyclic olefin monomer (B) is from about 80 to about 99 mol % in case the component (C) is the aromatic vinyl monomer, or (2) an amount of the alicyclic vinyl monomer is from about 80 to about 99 mol % and a total amount of the non-cyclic olefin monomer and th cyclic olefin monomer is from about 1 to about 20 mol % in case the component (C) is the alicyclic vinyl monomer.Type: ApplicationFiled: April 17, 2002Publication date: November 14, 2002Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Keiichi Minakuchi, Koji Higashi, Nobuo Oi
-
Patent number: 6476167Abstract: This invention relates to novel end-functionalized, linear, non-crosslinked polyolefins without pendant chain branched groups, and to a process for the preparation of these end-functionalized, linear, non-crosslinked polyolefins. These non-crosslinked polyolefins comprise the reaction product of (A) a cyclic olefin monomer, with (B) a chain transfer agent, in the presence of (C) at least one catalyst, preferably a ruthenium metal carbene catalyst. The polyolefins of the present invention are characterized as having a functionality as defined by vapor phase osmometry (VPO) and end group titration in the range of from 1.7 to 2.2, and correspond to a specified structure. Suitable chain transfer agents for the presently claimed polyolefins comprise the reaction product of at least one unsaturated diol and at least one alkylene oxide in relative molar ratios of from 1:1 to 1:1000. These polyolefins are prepared via ring opening metathesis polymerization (ROMP).Type: GrantFiled: December 14, 2000Date of Patent: November 5, 2002Assignee: Bayer CorporationInventor: Mark A. Peters
-
Patent number: 6465590Abstract: The present invention relates to telechelic polymers having crosslinkable end groups of the formula and methods for preparing the same wherein n is an integer; is an alkadienyl group; Y is an alkyl group; and Z is crosslinkable end group. In general, the inventive synthesis involves reacting a functionalized chain transfer agent having crosslinkable ends with a cycloalkene in the presence of a ruthenium or osmium catalyst of the formula wherein: M is ruthenium or osmium; X and X1 are independently any anionic ligand; L and L1 are any neutral electron donor ligand; R and R1 are each hydrogen or a substituted or unsubstituted substituent wherein the substituent is selected from the group consisting of C1-C20 alkyl, C2-C20 alkenyl, C2-C20 alkynyl, aryl, C1-C20 carboxylate, C1-C20 alkoxy, C2-C20 alkenyloxy, C2-C20 alkynyloxy, aryloxy, C2-C20 alkoxycarbonyl, C1-C20 alkylthio, C1-C20 alkylsulfonyl and C1-C20 alkylsulfinyl.Type: GrantFiled: March 17, 1999Date of Patent: October 15, 2002Assignee: California Institute of TechnologyInventors: Bob R. Maughon, Takeharu Morita, Robert H. Grubbs
-
Publication number: 20020137863Abstract: The present invention relates to cycloolefin copolymer having a solution viscosity (eta)>0.25 dl/g (measured in accordance with DIN 53 728 in decalin at 135° C.Type: ApplicationFiled: April 1, 2002Publication date: September 26, 2002Applicant: Hoechst Aktiengcsellschaft.Inventors: Frank Osan, Jurgen Kulpe, Willi Kreuder
-
Patent number: 6455650Abstract: Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula: [(R′)zM(L′)x(L″)y]b[WCA]d wherein [(R′)zM(L′)x(L″)y] is a cation complex where M represents a Group 10 transition metal; R′ represents an anionic hydrocarbyl containing ligand; L′ represents a Group 15 neutral electron donor ligand; L″ represents a labile neutral electron donor ligand; x is 1 or 2; and y is 0, 1, 2, or 3; and z is 0 or 1, wherein the sum of x, y, and z is 4; and [WCA] represents a weakly coordinating counteranion complex; and b and d are numbers representing the number of times the cation complex and weakly coordinating counteranion complex are taken to balance the electronic charge on the overall catalyst complex.Type: GrantFiled: October 5, 1999Date of Patent: September 24, 2002Assignees: The B.F. Goodrich Company, The Penn State Research FoundationInventors: John-Henry Lipian, Larry F. Rhodes, Brian L. Goodall, Andrew Bell, Richard A. Mimna, John C. Fondran, Saikumar Jayaraman, April D. Hennis, Christine N. Elia, Jennifer D. Polley, Ayusman Sen
-
Patent number: 6451942Abstract: The present invention provides high density, non-volatile memory devices incorporating polymers comprised of sandwich coordination compounds. Such polymers can have multiple different and distinguishable oxidation states (e.g., ten different and distinguishable oxidation states), and thus provide molecules, information storage media and apparatus that store multiple bits of information. In addition, the polymers can be immobilized or bound to a substrate to produce other useful articles, such as electrochromic displays, molecular capacitors, and batteries.Type: GrantFiled: June 28, 2000Date of Patent: September 17, 2002Assignee: North Carolina State UniversityInventors: Junzhong Li, Dorota Gryko, Jonathan S. Lindsey
-
Patent number: 6451940Abstract: Selected nickel complexes of the anions of certain 2-aminotropones are olefin polymerization catalysts. Novel 2-aminotropones and their nickel complexes are also disclosed together with methods of making these 2-aminotropones. Suitable complexes have the following structure: wherein: R2 is hydrocarbyl or substituted hydrocarbyl, provided that R2 is attached to said nitrogen atom in (I) by an atom that has at least 2 other atoms that are not hydrogen attached to it; and R3, R4, R5, R6 and R7 are each independently hydrogen, hydrocarbyl, substituted hydrocarbyl or a functional group, provided that any two of R3, R4, R5, R6 and R7 vicinal to one another may form a ring; L1 is a monodentate monoanionic ligand and L2 is a monodentate neutral ligand or an empty coordination site, or L1 and L2 taken together are a monoanionic bidentate ligand.Type: GrantFiled: October 13, 2000Date of Patent: September 17, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Frederick Hicks, Maurice S. Brookhart
-
Publication number: 20020128408Abstract: The present invention relates to a radiation sensitive photoresist composition comprising a photoacid initiator and a polycyclic polymer comprising repeating units that contain pendant acid labile groups. Upon exposure to an imaging radiation source the photoacid initiator generates an acid which cleaves the pendant acid labile groups effecting a polarity change in the polymer. The polymer is rendered soluble in an aqueous base in the areas exposed to the imaging source.Type: ApplicationFiled: May 8, 2001Publication date: September 12, 2002Inventors: Brian L. Goodall, Saikumar Jayaraman, Robert A. Shick, Larry F. Rhodes, Robert David Allen, Richard Anthony DiPietro, Thomas Wallow
-
Publication number: 20020111446Abstract: A polymerization system for ring opening polymerization of cycloolefins, comprising a catalyst [MOX2L2], a Lewis acid as co-catalyst, and a chain-transfer agent, 1Type: ApplicationFiled: December 7, 2000Publication date: August 15, 2002Inventors: Shakti L. Mukerjee, Vernon L. Kyllingstad
-
Patent number: 6433119Abstract: Disclosed is a polymetallic supported catalyst component comprising an activated anhydrous MgCl2 solid support which has been treated with at least one treatment of at least two halogen-containing transition metal compounds, wherein one is a halogen-containing titanium metal compound and one is a halogen-containing non-titanium transition metal compound, optionally, in the presence of an electron donor and the processes for producing the component. A catalyst for the polymerization of at least one alpha-olefin of the formula CH2═CHR, where R is H or a C1-12 branched or straight chain alkyl or substituted or unsubstituted cycloalkyl, by reacting this supported catalyst component with an organometallic cocatalyst, optionally in the presence of an electron donor, and the polymerization of at least one alpha-olefin with the catalyst are also disclosed.Type: GrantFiled: February 7, 2000Date of Patent: August 13, 2002Assignee: Basell Poliolefine Italia S.p.A.Inventor: Crystal A. Smith
-
Patent number: 6429272Abstract: There are disclosed novel homopolymers of 5-aryl-2-norbornene, and novel interpolymers of 5-aryl-2-norbornene with at least one other cyclic or acyclic alkene, and hydrogenated hydrocarbon resins resulting from hydrogenation of the homopolymers and interpolymers. The products are particularly useful as tackifiers. Also disclosed is a novel process for preparing the homopolymers and interpolymers of the 5-aryl-2-norbornene, wherein there is used as the polymerization catalyst, a Friedel-Crafts catalyst, such as aluminum chloride or boron trifluoride.Type: GrantFiled: September 20, 2001Date of Patent: August 6, 2002Assignee: Eastman Chemical CompanyInventor: Yun-Shan Liu
-
Publication number: 20020103317Abstract: The present invention relates to polymer compositions and methods of polymerizing such compositions. Furthermore, the present invention relates to polymer compositions that are useful in forming waveguides and to methods for making waveguides using such polymer compositions.Type: ApplicationFiled: July 27, 2001Publication date: August 1, 2002Inventors: Xiao-Mei Zhao, Ramakrishna Ravikiran, Phillip S. Neal, Robert A. Shick, Larry F. Rhodes, Andrew Bell
-
Patent number: 6426396Abstract: Poly(cyclic conjugated diene) polymers are prepared by polymerizing a cyclic conjugated diene monomer or cyclic conjugated diene monomer and a double bond-containing monomer using a transition metal catalyst, preferably a Ni-based catalyst, in a non-polar solvent containing a basic compound or an aromatic halide solvent. The poly(cyclic conjugated diene) polymer may then be subsequently modified by reaction of at least one of the double bonds of the polymer with a modifying substance, for example hydrogen.Type: GrantFiled: May 6, 1999Date of Patent: July 30, 2002Assignee: Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Mitsuru Nakano, Arimitsu Usuki, Qing Yao
-
Patent number: 6423780Abstract: In accordance with the present invention, there are provided novel heterobifunctional monomers and uses for the same. Invention compounds have many of the properties required by the microelectronics industry, such as, for example, hydrophobicity, high Tg values, low dielectric constant, ionic purity, low coefficient of thermal expansion (CTE), and the like. These properties result in a thermoset that is particularly well suited to high performance applications where typical operating temperatures are often significantly higher than those at which prior art materials were suitable. Invention compounds are particularly ideal for use in the manufacture of electronic components, such as, for example, printed circuit boards, and the like.Type: GrantFiled: February 7, 2001Date of Patent: July 23, 2002Assignee: LoctiteInventors: Stephen M. Dershem, Kevin J. Forrestal
-
Publication number: 20020095010Abstract: Herein is disclosed an emulsion, comprising an oxygen scavenging polymer, water, and a surfactant. The emulsion can be formed by first forming an emulsion comprising at least one monomer, water, and the surfactant, and polymerizing the monomer. Once formed, the emulsion can be used to form an oxygen scavenging packaging article by coating at least one surface of the packaging article or contacting two surfaces of the packaging article with the emulsion, and evaporating water from the emulsion-coated or -contacted surface, to form a polymer coating.Type: ApplicationFiled: January 16, 2001Publication date: July 18, 2002Inventors: Gangfeng Cai, Ta Yen Ching, Richard Schmidt, Hu Yang
-
Patent number: 6410666Abstract: The invention discloses a method for preparing a tri block copolymer of the formula: comprising: (a) contacting a cycloalkene with a chain transfer agent of the formula: Z—Y═Y—Z in the presence of a metal carbene metathesis catalyst to form a telechelic polymer; and (d) contacting the telechelic polymer with an alkene of the formula in the presence of an ATRP organometallic catalyst wherein n and m are integers; Z is an ATRP initiator and —Y═Y— is an alkenyl group; and, R′ is selected from the group consisting of aryl, nitrile and C1-C20 carboxylate, wherein R′ is substituted or unsubstituted. The invention also discloses a method for preparing a diblock copolymer. In addition, the invention encompasses a triblock copolymer having no 1,2-PBD structure in the PBD portion of the copolymer.Type: GrantFiled: March 17, 2000Date of Patent: June 25, 2002Assignee: California Institute of TechnologyInventors: Robert H. Grubbs, Christopher W. Bielawski
-
Patent number: 6407190Abstract: The invention relates to penta- and hexacoordinated ruthenium and osmium carbene catalysts, in which a sulfur, oxygen or nitrogen atom is attached to the carbene group which is coordinated with the central ruthenium or osmium atom, to their preparation and to their use for synthesizing polymers, for ring-closing metathesis of olefins and for isomerizing olefins.Type: GrantFiled: December 15, 1999Date of Patent: June 18, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Paul Adriaan Van Der Schaaf, Andreas Hafner, Andreas Mühlebach
-
Patent number: 6403742Abstract: An olefin copolymer having a functional group and having a structural unit (a) derived from ethylene, a structural unit (b) derived from an &agr;-olefin having 3 to 12 carbon atoms, and a structural unit (c) derived from a cycloolefin, exhibits an intrinsic viscosity [&eegr;] of 0.1 to 10 dl/g as measured in decalin at 135° C. and can be used in a rubber composition.Type: GrantFiled: December 18, 2000Date of Patent: June 11, 2002Assignee: JSR CorporationInventors: Noboru Oshima, Youichirou Maruyama, Katsutoshi Sawada, Syouei Tsuji
-
Publication number: 20020061986Abstract: The present invention provides an olefin/cycloolefin/alkylstyrene copolymer which is non-functionalized, functionalized, or grafted. By the functionalization of the benzylic protons of the alkylstyrene unit, the copolymer can be functionalized. The functionalized or grafted olefin/cycloolefin/alkylstyrene copolymer has good adhesion to a substrate and good compatibility with other polymers compared with the non-functionalized copolymer.Type: ApplicationFiled: December 28, 2001Publication date: May 23, 2002Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Shu-Hua Chan, Chi-Lan Li, Ching Ting, Joung-Yei Frank Chen
-
Publication number: 20020058767Abstract: A method for producing an olefin type copolymer having a cyclic structure, which comprises copolymerizing ethylene (M1) and dicyclopentadiene or tricyclopentadiene (M2), and, as optionally introduced, a cyclic olefin (M3), wherein, as a catalyst, a catalyst comprising a metallocene compound (A) of the following formula [1]:Type: ApplicationFiled: November 5, 2001Publication date: May 16, 2002Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Shigeharu Yamamoto, Sakae Kamiyama, Toshifumi Takemori, Yoji Suzuki, Kazuhiko Mizuno, Yoko Furuyama, Hiroshi Yamazaki
-
Patent number: 6388032Abstract: A cyclic olefin polymer having a small content of a catalyst residue, a production process for the same and use of the same as an optical material. Catalysts used for polymerization and/or hydrogenation reaction for forming the cyclic olefin polymer are decomposed efficiently by adding at least one compound selected from the group consisting of an &agr;-oxyacid and &bgr;-oxyacid having one hydroxyl group and one carboxyl group in the molecule and derivatives obtained by substituting hydroxyl group thereof by an alkoxyl group, and the decomposition products are removed by rendering them insoluble in a reaction solvent used for the polymerization and/or hydrogenation reaction and precipitating them efficiently.Type: GrantFiled: April 14, 2000Date of Patent: May 14, 2002Assignee: Teijin LimitedInventors: Michio Yamaura, Kiyonari Hashidzume, Hideaki Nitta, Masaki Takeuchi, Kaoru Iwata
-
Publication number: 20020052454Abstract: Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula:Type: ApplicationFiled: October 5, 1999Publication date: May 2, 2002Inventors: JOHN-HENRY LIPIAN, LARRY F. RHODES, BRIAN L. GOODALL, ANDREW BELL, RICHARD A. MIMNA, JOHN C. FONDRAN, SAIKUMAR JAYARAMAN, APRIL D. HENNIS, CHRISTINE N. ELIA, JENNIFER D. POLLEY, AYUSMAN SEN
-
Patent number: 6372930Abstract: Polymeric ligands, polymeric metallocenes, and processes for preparing same are provided. The process for preparing polymeric metallocenes comprises reacting a polymeric ligand, a transition metal compound, and an alkali metal compound. In one embodiment, a process for preparing polymeric ligands comprises reacting at least one bridged cyclopentadienyl-type monomer and an initiator under polymerization conditions. In another embodiment, a polymeric ligand is represented by the formula [Q′]n, wherein Q′ is a unit containing at least one bridged cyclopentadienyl-type group and wherein n is 1-5000.Type: GrantFiled: February 10, 2000Date of Patent: April 16, 2002Assignee: Phillips Petroleum CompanyInventors: Peter Schertl, Helmut G. Alt, M. Bruce Welch, Bernd Peifer, Syriac J. Palackal
-
Publication number: 20020042488Abstract: Novel substantially random functionalized interpolymers and processes for making them are disclosed. The novel interpolymers include those prepared from ethylene and vinyl aromatic monomers such as ethylene-styrene interpolymers which are then functionalized with a variety of electrophilic and nucleophilic reagents.Type: ApplicationFiled: January 10, 2001Publication date: April 11, 2002Inventors: Ray E. Drumright, Robert H. Terbrueggen, Kenneth A. Burdett, Francis J. Timmers, Stephen F. Hahn