N=n Or N-n Group-containing Compound Is A Catalyst Admixed With At Least One Other Catalyst, Co-catalyst, Or Accelerator, E.g., Redox Catalyst, Etc. Patents (Class 526/219.2)
  • Patent number: 10829570
    Abstract: This invention relates to a process for forming a long-chain branched polymer and a long-chain branched polymer resulting from the process. The process comprises reacting (a) a polyolefin base polymer with (b) a coupling agent comprising a polymeric coupling agent, optionally blended with a molecular coupling agent, the polymeric coupling agent being a modified polyolefin having a reactive coupling group at one or more terminal ends of the modified polyolefin chain, to couple the polyolefin base polymer (a) with the coupling agent (b) to form a long-chain branched polymer having a long-chain branching and/or higher surface energy relative to the polyolefin base polymer.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: November 10, 2020
    Assignee: BRASKEM AMERICA, INC.
    Inventors: Chip Few, Jonas Alves Fernandes, Jon Scott Larson
  • Patent number: 8822610
    Abstract: A procedure for improved temperature control in controlled radical polymerization processes is disclosed. The procedure is directed at controlling the concentration of the persistent radical in ATRP and NMP polymerizations procedures and the concentration of radicals in a RAFT polymerization process by feeding a reducing agent or radical precursor continuously or intermittently to the reaction medium through one of more ports.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: September 2, 2014
    Assignee: ATRP Solutions, Inc.
    Inventors: Wojciech Jakubowski, James Spanswick
  • Publication number: 20140180234
    Abstract: The present invention relates to a process for the production of polymers, such as water-absorbing polymer structures, by radical polymerization of acrylic acid, whereby the acrylic acid has been obtained by a synthesis process which comprises as a process step the splitting of an organic material by means of an enzyme or at least one component of an enzyme. The invention also relates to the water-absorbing polymers obtainable by this process, water-absorbing polymers which are based to at least about 25 wt % upon partially neutralized acrylic acid, a composite, a process for the production of a composite, the composite obtainable by this production, the use of acrylic acid in the production of polymers, preferably in the production of water-absorbing polymer structures, a device for the production of acrylic acid, and a process for the production of acrylic acid.
    Type: Application
    Filed: March 3, 2014
    Publication date: June 26, 2014
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Gunther Bub, Jurgen Mosler, Andreas Sabbagh, Franz-Felix Kuppinger, Franck Furno
  • Patent number: 8569427
    Abstract: Methods of forming polymer material from rosin-derived material are provided. For example, a plurality of functionalized resin acids having a polymerizable functional group via controlled living polymerization can be polymerized into the polymeric material such that each polymer defines a functional end group and the polymeric material has a polydispersity index of about 1 to about 1.5. The resulting polymers are also described.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: October 29, 2013
    Assignee: University of South Carolina
    Inventor: Chuanbing Tang
  • Patent number: 8419971
    Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the particle surface is coated at least partly with at least one polymer and/or wax.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: April 16, 2013
    Assignee: BASF SE
    Inventors: Uwe Stueven, Rüdiger Funk, Matthias Weismantel, Wilfried Heide, Marco Krüger
  • Patent number: 8299207
    Abstract: A process for removing residual monomers from water-absorbing polymer particles, wherein the water-absorbing polymer particles are thermally aftertreated in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water vapor.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Robert Wengeler, Karin Flore
  • Patent number: 8227559
    Abstract: The invention relates to a process for the preparation of a copolymer by free radical mass polymerization of a maleic acid monoester derivative with vinyl ester in the presence of an acid having a pKa of less than 1.8. The copolymer is suitable as a dispersant for hydraulic binders.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: July 24, 2012
    Assignee: Construction Research & Technology GmbH
    Inventors: Jochen Mezger, Alexander Kraus, Harald Grassl, Kerstin Becher
  • Patent number: 8093332
    Abstract: Disclosed are high impact polystyrenes prepared using mixed initiators. The mixed initiators include at least one grafting initiator and one non-grafting initiator. The high impact polystyrenes prepared therewith have a continuous polystyrene phase and dispersed therein particles of rubber predominantly having a honeycomb structure of rubber with polystyrene inclusions.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: January 10, 2012
    Assignee: Fina Technology, Inc.
    Inventors: Jose M. Sosa, Billy J. Ellis
  • Patent number: 8034851
    Abstract: The present invention relates to new cure accelerator systems for anaerobic curable compositions. These anaerobic cure systems include tetraalkyl ammonium oxidizing salts that are soluble in the (meth)acrylate component of the composition.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: October 11, 2011
    Assignee: Henkel Corporation
    Inventor: Philip T. Klemarczyk
  • Patent number: 8008414
    Abstract: An organoantimony compound represented by the formula (1), processes for producing polymers with use of the compound, and polymers wherein R1 and R2 are C1-C8 alkyl, aryl, substituted aryl or an aromatic heterocyclic group, R3 and R4 are each a hydrogen atom or C1-C8 alkyl, and R5 is aryl, substituted aryl, an aromatic heterocyclic group, oxycarbonyl or cyano.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: August 30, 2011
    Assignees: Otsuka Chemical Co., Ltd., Japan Science and Technology Agency
    Inventors: Shigeru Yamago, Biswajit Ray, Takashi Kameshima, Kazuhiro Kawano
  • Patent number: 7923517
    Abstract: A method for producing polymer particles which includes: forming polymer particles by heterogeneous polymerization of a monomer in a supercritical fluid and/or subcritical fluid, wherein a radical polymerization initiator (I) having in a molecular at least a group having radical-generation capability and a group having affinity for the supercritical fluid and/or subcritical fluid, and a radical polymerization initiator (II) are used in combination.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: April 12, 2011
    Assignees: Ricoh Company, Ltd., National University Corporation TOYOHASHI UNIVERSITY OF TECHNOLOGY
    Inventors: Eri Yoshida, Chiaki Tanaka
  • Patent number: 7884161
    Abstract: The present invention provides a method for preparation of an 1-alkene-acrylate based copolymer comprising a step of a radical polymerization reaction of 1-alkene and acrylate based monomer under presence of a metal oxide or Lewis acid, and a method for preparation of an alkene-acrylate based copolymer comprising reacting alkene with an acrylate based monomer under presence of a metal oxide. In the method of preparation according to the present invention, the process is simple and properties of the copolymer can be easily controlled by preparing the copolymer in a mild condition of 100° C. or less and 200 bar or less. In addition, the amount of the polar group of the copolymer prepared by the method is so high that the copolymer can be used for transparent optical products.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: February 8, 2011
    Assignee: LG Chem, Ltd.
    Inventors: Yoo-young Jung, Byoung-ho Jeon, Bae-kun Shin, Ki-soo Lee, Yong-gyu Han
  • Publication number: 20100035059
    Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a surrounding gas phase, the resulting polymer particles having a water content of at least 5% by weight, and being aftertreated thermally in the fluidized state in the presence of steam at a temperature of at least 60° C.
    Type: Application
    Filed: February 4, 2008
    Publication date: February 11, 2010
    Applicant: BASF SE
    Inventors: Dennis Lösch, Marco Krüger, Stefan Blei, Matthias Weismantel, Wilfried Heide
  • Publication number: 20090318582
    Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution, where the monomer solution comprises at least two initiators, one of the initiators is a peroxide with the exception of persulfate, and the molar ratio of peroxide to further initiator is at least 1:8, the water-absorbing polymer particles themselves, and hygiene articles comprising these water-absorbing polymer particles.
    Type: Application
    Filed: July 12, 2007
    Publication date: December 24, 2009
    Applicant: BASF SE a German Corporation
    Inventors: Dennis Loesch, Volker Seidl, Matthias Weismantel
  • Patent number: 7629423
    Abstract: The present invention provides method of preparing alkene-acrylate-norbornene terpolymer by polymerization of a monomer mixture consisting of alkene, acrylate and norbornene by a radical initiator under the presence of a Lewis acid. In the method of preparing the alkene-acrylate-norbornene terpolymer of the present invention, the terpolymer may be prepared in the mild condition of low temperature and low pressure by using the Lewis acid so that the process is simple and the property of the terpolymer may be easily controlled. In addition, the terpolymer prepared by the method includes the ethylene and the norbornene simultaneously so that it has high glass transition temperature, and the brittle property in forming of film is improved.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: December 8, 2009
    Assignee: LG Chem, Ltd.
    Inventors: Yoo-young Jung, Byoung-ho Jeon, Bae-kun Shin, Ki-soo Lee
  • Patent number: 7595369
    Abstract: A method of copolymerizing cyclic olefins and polar vinyl olefins, a copolymer produced by the method, and an optical anisotropic film including the copolymer are provided. According to the copolymerization method, a cyclic olefin and a polar vinyl olefin can be effectively copolymerized using a catalyst system composed of a compound containing a group 13 element and a radical initiator. The resulting copolymer is transparent, and has high adhesion, thermal stability, optical anisotropy and strength, and a low dielectric constant. The optical film including the copolymer can be used as a plastic lens, a polarizer protective film, an adhesive film, and a compensation film, and in a LCD display.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: September 29, 2009
    Assignee: LG Chem, Ltd.
    Inventors: Sung Cheol Yoon, Sung Ho Chun, Heon Kim, Tae Sun Lim, Jung Min Lee
  • Patent number: 7402646
    Abstract: Processes for preparing substantially linear polymers from diisopropenylbenzenes are provided. The polymers are useful in making a variety of products, including coatings, pigment dispersing agents, and stabilizers.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: July 22, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Steven Dale Ittel, Alexei A. Gridnev
  • Patent number: 7399814
    Abstract: A highly active and environment-friendly catalyst for use in a living radical polymerization is provided. A catalyst for use in a living radical polymerization method is provided. The catalyst comprises a central element, which is selected from germanium, tin and antimony, and at least one halogen atom, which is bound to the central element. A monomer having a radical reactive unsaturated bond is subjected to a radical polymerization reaction under the presence of the catalyst, thereby it is possible to obtain a polymer having narrow molecular weight distribution. The present invention has the merits such as low toxicity of the catalyst, a small amount of the catalyst can be used, high solubility of the catalyst, mild reaction conditions, no coloration, no odor (unnecessary post-treatment of molded products). The method of the present invention is more environment-friendly and economical than a conventional living radical polymerization method.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: July 15, 2008
    Assignee: Kyoto University
    Inventors: Atsushi Goto, Takeshi Fukuda, Yoshinobu Tsujii
  • Patent number: 7319083
    Abstract: A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst precursor are poiymerizable by free-radical polymerization and wherein the catalyst precursor compound is represented by the formula: wherein each X is an abstractable ligand; each R, R?, R?, R??, Rp1 and Rp2 is independently hydrogen or a hydrocarbyl group provided at least one of Rp1, Rp2, and R?? can be polymerized by a free radical initiator; and M is a Group-4-11 metal.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: January 15, 2008
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Guo-Xin Jin, Zerong Lin, Robert J. Wittenbrink, Chang-Kun Liu
  • Patent number: 7119155
    Abstract: Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerization. These catalysts have high catalyst activity for olefin polymerization or oligomerization.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: October 10, 2006
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Stanley Wai-Yan Chow, Guo-Xin Jin, Zerong Lin, Robert J. Wittenbrink, Dao Zhang
  • Patent number: 7098280
    Abstract: The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepared in-situ within the aqueous polymerization medium; and (2) initiating polymerization of said monomer within the aqueous polymerization medium.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: August 29, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Dane Kenton Parker, Frank James Feher, Viswanath Mahadevan
  • Patent number: 7091293
    Abstract: The polymerization of polar vinyl monomers in the presence of Lewis acids produces stereoregular vinyl polymers. Polar vinyl monomers may be mixed with Lewis acids to form associations or complexes between the monomers and Lewis acids. The mixtures or monomer-Lewis acid complexes may be polymerized to produce the desire stereoregular vinyl polymers.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: August 15, 2006
    Assignee: North Carolina State University
    Inventors: Hiroaki Kuwahara, Bruce Novak
  • Patent number: 7071270
    Abstract: The invention relates to a method for preparing butadiene-based aqueous dispersions in the presence of at least one azocarboxylic acid ester.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: July 4, 2006
    Assignee: Arkema
    Inventors: Damien Colombie, Frédéric Lemahieu, Denis Temboun N' Zudie
  • Patent number: 7009011
    Abstract: A stable free radical process for preparing a polymer having acid anhydride functionality includes heating a mixture comprised of a stable free radical agent, maleic anhydride or derivative thereof, and at least one polymerizable electron donor monomer to initiate exothermic reaction and during exotherm of the reaction, adding additional amounts of stable free radical agent to control the reaction temperature. The mixture may also include a stable free radical initiator. In the mixture, the maleic anhydride or derivative thereof preferably comprises from about 10% to about 70%, molar basis, of a total amount of the maleic anhydride or derivative thereof and the at least one polymerizable electron donor monomer. Typically, the heating is to a temperature of from about 100° C. to about 160° C., and the rate of addition of the additional amounts of stable free radical agent is adjusted to control the reaction temperature to be about 160° C. or less.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: March 7, 2006
    Assignee: Xerox Corporation
    Inventor: Barkev Keoshkerian
  • Patent number: 6992156
    Abstract: The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepared in-situ within the aqueous polymerization medium; and (2) initiating polymerization of said monomer within the aqueous polymerization medium.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: January 31, 2006
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Dane Kenton Parker, Frank James Feher, Viswanath Mahadevan
  • Patent number: 6958368
    Abstract: The present invention relates to new cure accelerators for anaerobic curable compositions. These anaerobic cure accelerators are generally sulfinimides and oxygen and sulfur derivatives thereof, sulfonimides and oxygen and sulfur derivatives thereof, sulfonamides and oxygen and sulfur derivatives thereof, and oxygen and sulfur analogues of sulfimides.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: October 25, 2005
    Assignee: Henkel Corporation
    Inventors: Philp T. Klemarczyk, Karen R. Brantl, Andrew D. Messana
  • Patent number: 6852812
    Abstract: A process is presented for the preparation of a latex by the emulsion polymerization at a temperature of between 30 and 90 C. of at least one ethylenically unsaturated monomer in the presence of at least one surfactant and of a seed of polymer particles with a diameter of between 200 and 450 nm. The seed particles represent from 5-25% by weight of the total weight of the monomer and seed. The polymerization is initiated by a mixed water-soluble/fat-soluble system. Also included are lattices obtained from this process.
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: February 8, 2005
    Assignee: Atofina
    Inventors: Isabelle Betremieux, Karine Loyen, Nathalie Meeschaert, Pierre Nogues, Martine Schneider
  • Patent number: 6835762
    Abstract: The present invention provides a new class of materials effective as cure accelerators for anaerobic curable compositions. The addition of these materials into anaerobic adhesives as a replacement for conventional curatives, such as acetyl phenyl hydrazine and maleic acid or toluidines, surprisingly provides at least comparable cure speeds and physcial properties for the reaction products formed therefrom.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: December 28, 2004
    Assignee: Henkel Corporation
    Inventors: Philp T. Kelmarczyk, Karen R. Brantl
  • Patent number: 6784224
    Abstract: A paste-like polymerizable composition in which two or three pastes are intimately mixed with each other to polymerize, the pastes do not gel and their polymerization curing times being stable, even when the pastes before the polymerization are preserved for a long time, the paste-like polymerizable composition is constructed of a first paste containing (a) a (meth)acrylate having at least one unsaturated double bond, (b) a filler and (c) a pyrimidinetrione derivative; and a second paste containing (a) a (meth)acrylate having at least one unsaturated double bond, (b) a filler, (d) an organic halide and (e) an organometallic compound, or a third paste containing (a) a (meth)acrylate having at least one unsaturated double bond, (b) a filler and (d) an organic halide and a fourth paste containing (a) a (meth)acrylate having at least one unsaturated double bond, (b) a filler and (e) an organometallic compound.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: August 31, 2004
    Assignee: GC Corporation
    Inventors: Mizuki Nakayama, Tomohiro Kumagai
  • Patent number: 6569968
    Abstract: A process for producing a polymer of a diallylalkylammonium halide which comprises polymerizing the diallylalkylammonium halide in the presence of a polymerization initiator in an aqueous solution containing a nitroxy radical.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: May 27, 2003
    Assignee: Kurita Water Industries Ltd.
    Inventors: Hidenori Hamabe, Katsutoshi Kubo, Tomoe Ueno
  • Patent number: 6559254
    Abstract: The invention provides a process for producing a saponified vinyl acetate polymer (a saponified ethylene-vinyl acetate copolymer in particular) which features a minimum of coloration of molding pellets, a well-inhibited emanation of an odor in melt-molding, a high transparency of the product film and a low incidence of fish-eyes in the film, and a process for producing a vinyl acetate polymer (particularly an ethylene-vinyl acetate copolymer) for use as the starting material for said saponified vinyl acetate polymer having said favorable properties. In accordance with the invention, either vinyl acetate alone or vinyl acetate and one or more other monomers are polymerized in the presence of a hydroxylactone compound and a polymerization catalyst. The resulting vinyl acetate polymer (particularly the ethylene-vinyl acetate copolymer) is then saponified.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: May 6, 2003
    Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha
    Inventors: Kenji Ninomiya, Yoshiharu Nagao, Akio Harao, Kenji Kato
  • Patent number: 6518364
    Abstract: Heterogeneous (e.g., emulsion) polymerization systems include a control agent that has a nitrogen-nitrogen bond covalently bonded to a thiocarbonyl moiety for living-type free radical polymerization of a wide variety of monomers. These control agents provide superior properties for control of the polymerization and/or the properties of the polymers obtained and/or the monomers that may be polymerized. Multifunctional control agents provide the opportunity for a variety of structurally unique polymers, including block copolymers, stars and hyper-branched polymers.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: February 11, 2003
    Assignee: Symyx Technologies, Inc.
    Inventors: Dominique Charmot, Han Ting Chang, Peter Huefner, Yunxiao Li
  • Patent number: 6509428
    Abstract: The invention relates to a process for the radical polymerization of at least one monomer in the presence of at least two stable free radicals of different natures. The use of two different stable free radicals is reflected by a higher productivity than that which would be expected on calculating the arithmetic mean of the productivities obtained with each of the stable free radicals when they are used individually.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: January 21, 2003
    Assignee: Atofina
    Inventors: Thierry Senninger, Sophie Robin, Yves Gnanou
  • Patent number: 6262205
    Abstract: The process of curing a radical-polymerizable multicomponent mixture containing an olefinically-unsaturated compound with ambient air by adding to the mixture an alkyl, cycloalkyl or aryl hydrazone of an aliphatic, cycloaliphatic or aromatic aldehyde or ketone which forms a hydroperoxide as an initiator for curing the mixture.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: July 17, 2001
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Thomas Huver, Thomas Moeller, Wolfgang Klauck, Christian Nicolaisen
  • Patent number: 6174977
    Abstract: Disclosed is a cold curable resin composition comprising at least a block copolymer in which a polymer portion having an epoxy group, a hydroxyl group and a hydrolytic silyl group and a polyorganosiloxane portion exist in the same molecular chain. A base material coated with the curable resin composition is also disclosed herein. The resin composition of the present invention has high performance in application to, for instance, an inorganic base material such as a plastic plate, e.g., an acrylic plate and glass, and has excellent cold curing properties, possesses high de-staining ability and excellent adhesive properties, and further can form a smooth and transparent coating film.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: January 16, 2001
    Assignee: Toyo Ink Mfg. Co., Ltd.
    Inventors: Yasushi Ariyoshi, Takehiro Suzuki