Phenolic Reactant Prior To Contact With Aldehyde Or Aldehyde-type Reactant Contains At Least Two Aryl Rings Each Of Which Contains Phenolic Substituents Patents (Class 525/137)
-
Patent number: 10844239Abstract: The present disclosure is directed to a two-component epoxy resin paint, comprising a) an epoxy resin component; and b) an amine component for curing the epoxy resin component, the amine component comprising: i) at least one polyamide curing agent; and ii) at least one Mannich base curing agent, wherein at least one of the polyamide curing agent and the Mannich base curing agent is derived from one or more multifunctional amines comprising at least one cycloaliphatic multifunctional amine, and wherein the cycloaliphatic multifunctional amine is present in an amount of 30 wt % or more relative to the total amount of the multifunctional amines, wherein the ratio by weight of the epoxy resin component a) to the amine component b) is in the range of 100:8 to 100:20.Type: GrantFiled: April 17, 2017Date of Patent: November 24, 2020Assignee: Valspar Sourcing, Inc.Inventors: Wanjun Xu, Fan Yang, Daqian Pei
-
Patent number: 8981006Abstract: The present invention is a method for manufacturing a rubber composition containing a rubber component, a resin, a reinforcing filler and a crosslinking agent, and the method contains: a first step of adding the resin to the rubber component to produce a master batch; a second step of kneading the master batch with the reinforcing filler to produce a filled master batch; and a third step of kneading the filled master batch with the crosslinking agent, thereby providing a rubber composition having higher elasticity and large breaking elongation.Type: GrantFiled: August 19, 2011Date of Patent: March 17, 2015Assignee: Bridgestone CorporationInventors: Reiko Yagi, Kumi Fujiki
-
Patent number: 8486604Abstract: The present invention provides a positive-type radiation-sensitive composition containing (A) a siloxane polymer, and (B) a quinone diazide compound, in which the content of aryl groups relative to Si atoms in the siloxane polymer (A) is greater than 60% by mole and no greater than 95% by mole.Type: GrantFiled: June 29, 2010Date of Patent: July 16, 2013Assignee: JSR CorporationInventors: Masaaki Hanamura, Daigo Ichinohe, Hideaki Takase
-
Patent number: 8470930Abstract: The present invention relates to novolak resins prepared with, inter alia, one or more alkylphenols. The invention further relates to compositions comprising the novolak resins, such as vulcanizable rubber compositions, and to products obtained therewith.Type: GrantFiled: September 10, 2008Date of Patent: June 25, 2013Assignee: SI Group, Inc.Inventors: L. Scott Howard, Todd M. Aube, Timothy Edward Banach, James J. Lamb
-
Patent number: 8268929Abstract: A resin composition comprises (a) 100 parts by weight of at least one compound selected from the group consisting of phenol resins and brominated phenol resins, (b) 20 to 500 parts by weight of a crystalline olefin resin, provides that copolymers of ethylene with unsaturated carboxylic acid ester or vinyl acetate are precluded, and (c) 0 to 300 parts by weight of a non-aromatic softening agent for rubber. The resin composition is easy to handle in dynamic cross-linking of rubber or a thermoplastic elastomer to give uniform cross-linking. A cross-linked rubber composition or thermoplastic elastomer composition has improved compression set and moldability.Type: GrantFiled: March 30, 2007Date of Patent: September 18, 2012Assignee: Riken Technos CorporationInventor: Naoyuki Ono
-
Patent number: 8017695Abstract: This invention relates to a method for producing functionalized cis-1,4-polydienes having a combination of a high cis-1,4-linkage content and a high functionality, the resulting polymers and the vulcanized products containing the polymers. The functionalized cis-1,4-polydienes of the present invention are produced by a method comprising the steps of: (1) preparing a reactive polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst in the presence of less than 20% by weight of organic solvent based on the total weight of monomer, organic solvent, and resulting polymer, where the lanthanide-based catalyst is the combination of or reaction product of (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a halogen-containing compound; and (2) contacting the reactive polymer with a functionalizing agent.Type: GrantFiled: December 27, 2007Date of Patent: September 13, 2011Inventors: Steven Luo, Junko Kurazumi, Yoichi Ozawa, Timothy L. Tartamella, Mark Smale, Kevin McCauley
-
Patent number: 7772323Abstract: The present invention relates to conjugated copolymers comprising blocks which are linked by random or partly random sections. The materials of the invention display an improved efficiency, a reduced operating voltage and a longer life.Type: GrantFiled: August 12, 2004Date of Patent: August 10, 2010Assignee: Merck Patent GmbHInventors: Heinrich Becker, Esther Breuning, Aurélie Falcou, Amir Parham
-
Publication number: 20080275185Abstract: Poly(arylene ether)-poly(alkylene ether) block copolymers and methods for their preparation are provided. The block copolymers include structural units derived from a poly(arylene ether), a poly(alkylene ether), and an activated aromatic carbonate.Type: ApplicationFiled: June 15, 2006Publication date: November 6, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Rene deKok, Erik R. Delsman, Amy R. Freshour, Farah Jean-Jacques Toublan, Patrick J. McCloskey, Edward N. Peters, Gary W. Yeager
-
Patent number: 7425602Abstract: The present invention relates to novolak resins prepared with, inter alia, one or more alkylphenols. The invention further relates to compositions comprising the novolak resins, such as vulcanizable rubber compositions, and to products obtained therewith.Type: GrantFiled: November 19, 2004Date of Patent: September 16, 2008Assignee: SI Group, Inc.Inventors: L. Scott Howard, Todd M. Aube, Timothy Edward Banach, James J. Lamb
-
Patent number: 7393899Abstract: As a rubber composition having an elasticity further increased as compared with the conventional rubber composition while preventing the lowering of the fracture resistance, there is provided a rubber composition comprising a rubber component of at least one of natural rubber and synthetic diene rubbers and a phenolic resin compounded therein and represented by the following formula (I): (wherein R0 is a hydrogen atom, an alkyl group, a phenyl group or a methylol group, and each of R1 and R2 is an arylene group, an alkylene group having a carbon number of 2-10, an aralkylene group, a cycloalkenylene group or a cycloalkadienylene group, and n is 0-10).Type: GrantFiled: October 7, 2003Date of Patent: July 1, 2008Assignee: Bridgestone CorporationInventor: Ritsuko Yamada
-
Patent number: 7125930Abstract: A block copolymer comprising two or more blocks and having fluorescence in the solid state, wherein blocks thereof may be the same or different, and in each of the blocks, one or more kinds of repeating units are bonded through conjugated bonds, and bonding between the blocks is made by junction unit having conjugated bond, and the polystyrene reduced number average molecular weight of at least one block is 1×103 to 1×108.Type: GrantFiled: April 24, 2002Date of Patent: October 24, 2006Assignee: Sumitomo Chemical Company, LimitedInventors: Takanobu Noguchi, Yoshiaki Tsubata, Shuji Doi
-
Patent number: 7074861Abstract: A modified resorcinol resin is prepared by reacting a phenolic compound (e.g., resorcinol) with an olefinically unsaturated compound (e.g., styrene) and two types of aldehyde: a formaldehyde and an alkyl aldehyde (e.g., butyraldehyde). The reaction is typically carried out in the presence of an acid catalyst. The resulting resin has a lower softening point and can be used as a methylene acceptor compound in a vulcanizable rubber composition.Type: GrantFiled: February 18, 2003Date of Patent: July 11, 2006Assignee: INDSPEC Chemical CorporationInventors: Raj Durairaj, Mark A. Lawrence
-
Patent number: 6737478Abstract: The invention relates to rubber compounds comprising at least one double bond-containing rubber, additions of rubber gels, phenolic resin adducts or phenol/formaldehyde condensation products, such as resols or novolaks, and optionally, further fillers and rubber auxiliary substances, and the vulcanizates and molded rubber articles produced from them. The rubber compounds according to the present invention are characterized in the uncrosslinked state by good processability (compound viscosity ML 1+4/100° C.<60 ME) and in the vulcanized state by Shore-A hardness values/23° C.>60, high impact resilience values E/23° C.>60% and a low specific density. The vulcanizates are suitable for the production of industrial rubber articles and for various tire components, such as roll coverings, conveyor belt coverings, belts, spinning cops, seals, golf ball cores, shoe soles and bead compounds, tire carcasses, subtread compounds and tire sidewalls.Type: GrantFiled: October 16, 2001Date of Patent: May 18, 2004Assignee: Bayer AktiengesellschaftInventors: Werner Obrecht, Anthony Sumner
-
Publication number: 20040034165Abstract: An electron-beam curable polyurethane resin for magnetic recording media is produced by modifying a polyurethane resin having active hydrogen in the molecule thereof with a compound having at least two acrylic double bonds, wherein the modification is performed on the active hydrogen so that the polyurethane resin becomes electron-beam curable. By subjecting a known thermosetting polyurethane resin to electron-beam sensitive modification, the resulting resin is highly crosslinked and is thus capable of being suitably used for magnetic recording media. Also, an electron-beam curable polyurethane resin having excellent crosslinking characteristics can easily be produced from the known thermosetting polyurethane resin. Furthermore, by using the electron-beam curable polyurethane resin, a high-performance magnetic recording medium can be provided.Type: ApplicationFiled: March 27, 2003Publication date: February 19, 2004Applicant: TDK CORPORATIONInventors: Hideki Sasaki, Hiroyuki Yamada, Kenichi Kitamura, Kazushi Tanaka
-
Patent number: 6624244Abstract: An improved material comprising the reaction product of an A-side having an isocyanate and a B-side having a cross-linker comprising a multifunctional alcohol, a vegetable oil, preferably a blown/oxidized vegetable oil, most preferably a blown/oxidized soybean oil, and a catalyst and the method of producing the same.Type: GrantFiled: September 24, 2002Date of Patent: September 23, 2003Assignee: Urethane Soy Systems CompanyInventor: Thomas M. Kurth
-
Patent number: 5916933Abstract: Proppants comprising a particle coated with a composition comprising bisphenol-aldehyde novolak resin, a bisphenol homopolymer or mixtures including such polymers are disclosed. Foundry sands comprising a particle coated with a composition comprising bisphenol-aldehyde novolak resin, a bisphenol homopolymer or mixtures including such polymers are disclosed. Methods of making and using these proppant particles in subterranean formations or making and using these foundry sands in foundries are also disclosed.Type: GrantFiled: March 4, 1997Date of Patent: June 29, 1999Assignee: Borden Chemical, Inc.Inventors: Calvin K. Johnson, Kwok-tuen Tse
-
Patent number: 5552509Abstract: A phenolic resin composition herein disclosed comprises, as essential components, (i) at least one phenol resin A selected from the group consisting of residues formed through purification of bisphenol A, residues obtained by cleaving the bisphenol A-purification residue, condensates of the bisphenol A-purification residue obtained by reacting the bisphenol A-purification residue with formaldehyde and condensates of the cleavage residue obtained by reacting the cleavage residue with formaldehyde, and (ii) at least one phenolic resin B selected from the group consisting of high-boiling fraction obtained through production of bisphenol F and condensates of the high-boiling fraction obtained by reacting the high-boiling fraction with formaldehyde.Type: GrantFiled: August 31, 1993Date of Patent: September 3, 1996Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Tomoko Takashima, Shigeru Iimuro, Takashi Kitamura
-
Patent number: 5021522Abstract: An improved vulcanizable rubber composition of the type comprising (I) a rubber component selected from natural rubber, synthetic rubber or combinations thereof, and (II) a methylene donor compound which generates formaldehyde upon heating, and (III) a phenolic novolak resin type methylene acceptor compound is disclosed. The improvement comprises having at least ten mole percent of the phenolic groups of the phenolic novolak resin aralkylated with one or more compounds selected from the group consisting of styrene, alpha methyl styrene, beta methyl styrene, p-methyl styrene, alpha chloro styrene and vinyl naphthalenes.Type: GrantFiled: February 21, 1990Date of Patent: June 4, 1991Assignee: Indspec Chemical CorporationInventors: Bojayan Durairaj, Alex Peterson, Jr., Robert M. Lamars, Richard T. Hood
-
Patent number: 4605696Abstract: There is disclosed a method for adhering rubber to reinforcing materials which comprises embedding a textile fiber or metal reinforcing material in a vulcanizable rubber composition comprising rubber, a vulcanizing agent, reinforcement, a methylene donor, and a phenolic ester as a methylene acceptor.Type: GrantFiled: September 27, 1985Date of Patent: August 12, 1986Assignee: The Goodyear Tire & Rubber CompanyInventors: David A. Benko, Syed K. Mowdood, Paul H. Sandstrom, Walter H. Waddell, III, Lawson G. Wideman
-
Patent number: 4465807Abstract: A process for the preparation of reinforced vulcanizates which process comprises vulcanizing a mixture comprising rubber, a novolak and at least one reactive melamine resin obtained by reaction of one mol of melamine with 0.5 to 6 mols of aldehyde, said melamine resin being present in an amount of from 0.5 to 120% by weight, based on the weight of the novolak resin, and the phenolic component of said novolak resin being selected from the group consisting of phenol, polynuclear polyphenols, alkylphenols, a combination of alkylphenols with phenol, and a combination of at least one of said phenols with a further phenol selected from the group consisting of resorcinol, phenylphenol and polyalkylphenols. The invention also includes rubber articles prepared from a product of such a process.Type: GrantFiled: August 30, 1983Date of Patent: August 14, 1984Assignee: Hoechst AktiengesellschaftInventors: Arnold Giller, Joachim Weil
-
Patent number: 4369290Abstract: Resinous coating compositions can be expediently heat cured by phenol compounds containing at least two methylene amine groups which are conjugated with the aromatic alcohol group or phenol group. The hydroxyl group substantially increase the reactivity of the aminomethyl functionality whereby active hydrogen containing resins can be effectively cross-linked.Type: GrantFiled: March 12, 1979Date of Patent: January 18, 1983Assignee: SCM CorporationInventors: James M. Evans, James T. K. Woo
-
Patent number: 4350800Abstract: A process for the preparation of synthetic resins based on resorcinol compounds which comprises reacting a resorcinol pitch which is obtained in the manufacture of resorcinol from benzenedisulfonic acid in at least one step with an oxo-compound selected from aldehydes, ketones and compounds based on or splitting off at least one of these substances, and the use of the products as binders for abrasive articles.Type: GrantFiled: September 14, 1981Date of Patent: September 21, 1982Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Hesse, Franz Landauer, Klaus Schmiedel
-
Patent number: 4260704Abstract: Resins having a softening point of from 50.degree. to 130.degree. C., an OH-number of from 250 to 400 and an iodine number of from 90 to 160, obtainable by reacting an alkyl phenol-formaldehyde novolak or an alkyl phenol mixture-formaldehyde novolak under acid-catalysed conditions with a polunuclear phenol or polynuclear phenol mixture and formaldehyde and/or an aliphatic aldehyde or aliphatic aldehyde mixture, the ratio by weight of the alkyl phenol or alkyl phenol mixture to the polynuclear phenol or polynyclear phenol mixture being from 2.2:1 to 1:10.Type: GrantFiled: October 10, 1978Date of Patent: April 7, 1981Assignee: Bayer AktiengesellschaftInventors: Manfred Schmidt, Theo Kemperman, Dieter Freitag, Hermann Fries, Erich Esch
-
Patent number: 4246368Abstract: A powder coating composition for forming multi layer coatings comprising:(1) at least one of finely divided thermosetting addition copolymers having a glass transition temperature of 35.degree. to 75.degree. C. and comprising as comonomers a wt. % of a hardness imparting monomer and b wt. % of a softness imparting monomer based on the copolymer wherein a+b.ltoreq.60, b.ltoreq.a and b.ltoreq.20, and(2) at least one of finely divided thermosetting resinous materials having incompatibility or low compatibility with the copolymer and a substantially greater surface tension than the copolymer when melted at the same temperature and substantially differing from the copolymer in composite parameter.Type: GrantFiled: May 5, 1978Date of Patent: January 20, 1981Assignee: Kansai Paint Company, LimitedInventor: Heihachi Murase