Specified Material Contains A Peroxy Group, I.e., -o-0- Patents (Class 525/27)
  • Patent number: 9518205
    Abstract: The present invention is an unsaturated polyester resin composition comprising an unsaturated polyester (a), a monomer (b) having one polymerizable carbon-carbon double bond, a monomer (c) having two or more of (meth)acrylate groups, a filler (d) having high thermal conductivity, a glass fiber (e), a low profile additive (f), a curing agent (g), and a polymerization inhibitor (h), wherein the ratio by weight of the ingredient (b) to the ingredient (c) is from 50:50 to 75:25 and the unsaturated polyester resin composition comprises 400 to 1400 parts by weight of the ingredient (d) based on the total 100 parts by weight of the ingredients (a), (b), and (c). This unsaturated polyester resin composition has excellent curing properties without losing storage stability which can be used to provide a cured product having a low mold shrinkage ratio and high thermal conductivity.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: December 13, 2016
    Assignees: SHOWA DENKO K.K., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shotaro Itami, Masashige Tanaka, Hiroyuki Majima, Ryujin Ishiuchi, Hiroaki Sugita
  • Patent number: 9487619
    Abstract: A curable polyester resin composition containing residues of: a) polyhydroxyl compounds that include: (i) 2,2,4,4-tetraalkylcyclobutane-1,3-diol (TACD) compounds, and (ii) polyhydroxyl compounds other than TACD, and (b) polycarboxylic acid compounds that include: (i) polycarboxylic acid compounds, a derivative of polycarboxylic acid compound other than (bii), or a combination thereof, and (ii) a polycarboxylic anhydride compound; wherein the curable polyester resin has an acid number ranging from about 20 to about 120 mg KOH/g, a hydroxyl number ranging from greater than 0 to about 100 mg KOH/g, and an acid number:hydroxyl (AN:OH) number ratio of at least 0.5:1. The curable polyester resin can be dispersed in water or a solvent and is suitable for waterborne or solventborne coating compositions and powder coating applications. Phenolic based crosslinking coating compositions that contain these curable polyester resins are curable at elevated temperatures.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: November 8, 2016
    Assignee: Eastman Chemical Company
    Inventors: Thauming Kuo, Junjia Liu, Phillip Bryan Hall
  • Patent number: 8796381
    Abstract: Encapsulated cure systems are provided wherein a curative is incorporated into a solid or semi-solid carrier material whereby mere fracturing or failure of the capsule wall encapsulating such cure systems will not provide for or allow sufficient release of the curative. Also provided are adhesive systems incorporating said encapsulated cure systems.
    Type: Grant
    Filed: September 17, 2011
    Date of Patent: August 5, 2014
    Assignee: Appvion, Inc.
    Inventors: Todd Arlin Schwantes, Michael Curley Krzoska, Gregory Stephen Kulibert, Adam Gregg Malofsky, Bernard Miles Malofsky, Nagib Maurice Ward
  • Patent number: 8609776
    Abstract: An ethylenically unsaturated prepolymer comprising an ending X which reacts by condensation being a hydroxyl and/or amine or free isocyanate group and optionally an ending X? having ethylenic unsaturation, the prepolymer being the reaction product of a first component A comprising a mixture of i) a first ethylenically unsaturated resin carrying specific hydroxyl and/or amine reactive endings, and/or ii) optionally a second resin different from resin i), being an ethylenically unsaturated hydroxylated resin and/or a hydroxylated and/or aminated saturated resin, and/or iii) optionally a third reactive saturated resin, iv) optionally an unsaturated monoalcohol up to 30% in equivalents of the OH+NH2 total, and a second component B comprising a polyisocyanate with a functionality equal to 2 or greater than 2, A and B being in proportions to effectively avoid any gelling by crosslinking.
    Type: Grant
    Filed: July 4, 2007
    Date of Patent: December 17, 2013
    Assignee: CCP Composites
    Inventors: Patrick Belliard, Jérôme Mazajczyk, Roland Delory, Guillaume Cledat, Francis Verdiere, Serge Herman
  • Patent number: 8562953
    Abstract: A dendritic polymer and a magnetic resonance imaging contrast agent employing the same. The magnetic resonance contrast agent includes the dendritic polymer according to the structure of SP-DZ-L)i)j or SP-DX-Z-L)i)j, wherein, S is cyclosilane moiety with j silicon oxygen residual groups, and j is not less than 2; P is CH2CH2Ol, and l is not less than 1; D is a C3-30 dendritic moiety having n oxygen residue, and n is not less than 3; X is C3-30 moiety having bi-functional groups; Z is a C3-20 moiety having a plurality of functional group; and L is a metal cation.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: October 22, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Dhakshanamurthy Thirumalai, Chin-I Lin, Shian-Jy Wang
  • Patent number: 8497318
    Abstract: The invention relates to a process for preparing a polymer by free-radical polymerization of at least one ethylenically unsaturated monocarboxylic acid and/or a salt thereof, at least one ethylenically unsaturated dicarboxylic acid and/or an anhydride and/or a salt thereof, in the presence of hypophosphorous acid and/or a salt thereof. The invention also relates to a polymer composition obtainable by this process. The invention also relates to the use of such a polymer composition as detergent additive, e.g. as dispersant, scale inhibitor or sequestrant for laundry detergents.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: July 30, 2013
    Assignee: BASF SE
    Inventors: Matthias Laubender, Ewald Heintz, Clarissa Seidl, Bolette Urtel, Alexsandro Berger
  • Patent number: 8487041
    Abstract: The present invention relates to a resin composition comprising (a) an unsaturated polyester resin having a molecular weight Mn of at least 750 Dalton and at most 5000 Dalton and (b) a reactive diluent, wherein the unsaturated polyester resin comprises C5-C10 unsaturated diacid building blocks and isosorbide building blocks. Preferably, at least part of the isosorbide is derived from a non-fossil source. Preferably, itaconic acid or anhydride is used as the C5 unsaturated dicarboxylic acid.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: July 16, 2013
    Assignee: DSM IP Assets B.V.
    Inventors: Marian Henryk Szkudlarek, Johan Franz Gradus Antonius Jansen, Stefanus Jacobus Duyvestijn
  • Patent number: 8303937
    Abstract: A dendritic polymer and a magnetic resonance imaging contrast agent employing the same. The magnetic resonance contrast agent includes the dendritic polymer according to the structure of SP-DZ-L)i)j or SP-DX-Z-L)i)j, wherein, S is cyclosilane moiety with j silicon oxygen residual groups, and j is not less than 2; P is and l is not less than 1; D is a C3-30 dendritic moiety having n oxygen residue, and n is not less than 3; X is C3-30 moiety having bi-functional groups; Z is a C3-20 moiety having a plurality of functional group; and L is a metal cation.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: November 6, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Dhakshanamurthy Thirumalai, Chin-I Lin, Shian-Jy Wang
  • Publication number: 20120252974
    Abstract: A method for producing polymer particles includes a preparation step for preparing a first oily liquid containing an oily olefin monomer, a radical polymerization initiator, and an iodine molecule, a synthesis step for obtaining a second oily liquid containing at least an iodine compound produced by a reaction between a radical generated by cleavage of the radical polymerization initiator and the iodine molecule in the first oily liquid, a suspension step for obtaining an oil droplet of the second oily liquid by suspending the second oily liquid in water, and a polymerization step for polymerizing the oily olefin monomer in the oil droplet.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takayuki Hiratani, Shinnosuke Koji, Kazumichi Nakahama
  • Patent number: 8067514
    Abstract: An anisotropic conductive film is provided which can provide high bonding strength and good conduction reliability when anisotropic conductive bonding is made under the compression bonding conditions of a compression bonding temperature of at most 130° C. for a compression bonding time of at most 3 seconds. The anisotropic conductive film contains a polymerizable acrylic compound, a film-forming rein, conductive particles, and a polymerization initiator. The polymerization initiator contains two types of organic peroxides that do not produce oxygen gas resulting from the decomposition thereof and have different one-minute half-life temperatures. Of the two types of organic peroxides, one organic peroxide that has a higher one-minute half-life temperature produces benzoic acid or a derivative thereof when it decomposes.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: November 29, 2011
    Assignees: Sony Corporation, Sony Chemical & Information Device Corporation
    Inventors: Kouichi Miyauchi, Yasushi Akutsu, Yasunobu Yamada
  • Patent number: 7550532
    Abstract: A hardener composition useful in a two part resin system. The hardener composition includes a reactive carrier, and a peroxide catalyst. The hardener composition can have a shelf life of over six months. A two-part polyester resin system and a method of making a polyester resin composition are also disclosed.
    Type: Grant
    Filed: July 11, 2005
    Date of Patent: June 23, 2009
    Assignee: Illinois Tool Works Inc.
    Inventor: Jeffrey Andrew Reynolds
  • Patent number: 7235192
    Abstract: A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured compositions prepared from these capped poly(arylene ether) resins exhibit improved balances of stiffness, toughness, and dielectric properties compared to compositions with two or more separately capped and isolated poly(arylene ether) resins.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: June 26, 2007
    Assignee: General Electric Company
    Inventors: Gary William Yeager, Hua Guo, Zhiqing Lin, Shahid Murtuza
  • Patent number: 7166670
    Abstract: The invention relates to two-component chemical fastening systems, the A-component containing an unsaturated polyester and a reactive diluent, and the B-component containing a peroxide and an extender, wherein the extender is either a monomeric component according to formula 1 (A—CH?CH—O)n—R ??(formula 1) or a resinous compound comprising, in a covalently built-in manner, a component having vinyl ether group(s), and the content of the peroxide in the B-component is from 0.5 to 99 wt. %. In the formula A, R and n are specified as hydrogen or C1-3 alkyl; C1-20 (hetero)-aliphatic with hydroxyl or amino groups, or poly(C2 or 3)glycol with 2–120 glycol units; and 1 to 4, respectively. The resinous compounds with built-in vinyl ether group(s) (0.5 to 50 wt.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: January 23, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: Jan H Udding, Agnes E Wolters, Heinz Wilhelm, Armin Pfeil, Thomas Bürgel, Lutz Sager
  • Patent number: 7056987
    Abstract: The present invention refers to a process for preparing cross-linked polyolefins, comprising the steps of adding a diazido compound of the formula (I) N?N?N—X—R—X—N?N=N wherein R represents an aryl, alkyl or aralkyl group having 3 to 20 carbon atoms and X stands for —CO—, —O—CO— —SO2—, —PO2—, —PO3—, or —Si (?O)—, and a peroxide compound of the general formula (II) R1—X1—OO—X2—R2 wherein R1 and R2 are the same or different and represent hydrogen, an aryl, alkyl or aralkyl group having 3 to 20 carbon atoms and optionally comprising further peroxide groups, wherein one of R1 and R2 can form a ring, and X1 and X2 are the same or different and stand for a direct bond, —CO2— or —CO— to a polyolefin in powder or pellet form; mixing the product to obtain a mixture; extruding the mixture in an extruder at a temperature above the decomposition temperature of the diazido compound of formula (I) and of the peroxide compound of formula (II).
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: June 6, 2006
    Assignee: Borealis Technology OY
    Inventors: Kjetil Borve, Keith Redford, Aage Stori
  • Patent number: 6911511
    Abstract: The invention relates to a process for the polymerization of at least one monomer which can be polymerized via a radical route, in the presence of a stable free radical and of a polymerization initiator, such that, per 100 mol of monomer, the molar amounts of stable radical (SFR) and of initiator (INIT) are such that [(SFR)×FSFR]/[(INIT)×FINIT]<0.15 and FSFR×(SFR)<0.2 mol, in which FSFR represents the functionality of the stable free radical and FINIT represents the functionality of the initiator. The process according to the invention has advantageous kinetics, allows the production of grafted or block copolymers and can be carried out in an extruder.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: June 28, 2005
    Assignee: Elf Atochem S.A.
    Inventor: Denis Bertin
  • Patent number: 6821657
    Abstract: A solvent-free thermosetting resin composition which comprises an epoxy resin (a) and a product (b) of the reaction of an organosilicon compound, represented by the general formula (1) (where R is an organic group containing a functional group reactive with an epoxy resin by addition reaction; and R1 is a methyl or ethyl group), with water, the product (b) containing organosilicon compound polycondensates formed in the epoxy resin (a) and having a degree of polycondensation of 2 or higher, and which has a low viscosity at a room temperature (25° C.) and gives a cured resin having intact material properties, especially intact high-temperature mechanical properties; a process for producing the resin composition; and a product obtained by applying the composition.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: November 23, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Akio Takahashi, Yuichi Satsu, Harukazu Nakai, Masao Suzuki, Yuzo Ito, Shuichi Oohara
  • Patent number: 6740279
    Abstract: Compression molded pigmented door skins fabricated by compression molding a pigmented, curable, unsaturated polyester sheet molding compound containing a co-curable unsaturated monomer, a low profile additive, and a microvoid-reducing thermoplastic polymer, exhibit uniform stainability while maintaining a low linear thermal coefficient of expansion. Such door skins are suitable for preparing wood grain textured exterior insulated doors which exhibit minimal thermal deflection when exposed to interior/exterior temperature differentials, even at eight foot door heights. The doors may be stained without first applying a seal coat.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: May 25, 2004
    Assignee: TT Technologies, Inc.
    Inventors: Kenneth J. West, Greg W. Scheffel, G. Daniel Templeton, Eugene R. Davis, III
  • Patent number: 6642287
    Abstract: Methyl propyl ketone peroxide formulations are claimed that can be safely handled at ambient temperature, are storage stable, and give fast curing rates of unsaturated polyester resins particularly when accelerated with a complex of two different metals. The claimed products are particularly suited for thin articles and coating such as suited for use in gel coat systems. The pure ketone peroxides consist of more than 60% by weight of type-4 methyl propyl ketone peroxide and used as formulations containing sufficient amount of a non-aqueous phlegmatizer.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: November 4, 2003
    Assignee: AKZO Nobel N.V.
    Inventors: Ejaz Ahmed Syed, Bernhard Vries, Frederik Willem Karel Koers
  • Patent number: 6583218
    Abstract: A compounded unsaturated polyester resin composition having 10-90 wt % of at least one high viscosity, high molecular weight unsaturated polyester, 10-80 wt % of at least one low viscosity, low molecular weight unsaturated polyester, and 9-30 wt % of at least one monomer. The cone and plate viscosity of the high molecular weight unsaturated polyester is 1 Pas/100° C. to 10 Pas/150° C. and the weight average molecular weight Mw is 1,200 to 10,000. The cone and plate viscosity of the low molecular weight unsaturated polyester is 1 Pas/25° C. to 4 Pas/100° C., and the weight average molecular weight Mw is 400 to 3,000.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: June 24, 2003
    Assignee: Ashland, Inc.
    Inventors: Karri Airola, Paul Mahbub, Eija Valtonen
  • Patent number: 6521703
    Abstract: A curable resin composition includes an unsaturated polyester, an alkenyl aromatic compound, and a capped poly(arylene ether). The composition is suitable for low temperature curing and exhibits reduced curing shrinkage and reduced brittleness.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: February 18, 2003
    Assignee: General Electric Company
    Inventors: Kenneth Paul Zarnoch, Hua Guo, Herbert Shin-I Chao
  • Publication number: 20010028132
    Abstract: Method for on-mold surface coating fiberglass-reinforced molded articles during their manufacture with environmentally friendly and physiologically safe thermosetting unsaturated polyester on-mold coating powders which serve as replacements for liquid gel coats. The thermosetting coating powders employed are adapted to cure at low temperatures to avoid causing thermal damage to the heat sensitive plastic molds which must be reused over and over again, and to cure in the presence of atmospheric oxygen to enable over coating with liquid fill resins and fiberglass, which constitute the bulk of the finished article, without having the fill resins bleed through the powder coating film and detrimentally affect the overall quality of the surface finish.
    Type: Application
    Filed: March 16, 2001
    Publication date: October 11, 2001
    Inventors: Edward G. Nicholl, Navin B. Shah
  • Patent number: 6072007
    Abstract: Compositions for the polymer curing, comprising:A) one or more organic peroxidesandB) dicyclopentadiene
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: June 6, 2000
    Assignee: Elf Atochem Italia S.r.L.
    Inventors: Luciano Abrigo, Carla Beretta, Ezio Montessoro, Michele Merenda
  • Patent number: 6066698
    Abstract: Compositions for the polymer curing, comprising:A) one or more organic peroxides andB) trans,trans-2,6-dimethyl-2,4,6-octatriene
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: May 23, 2000
    Assignee: Elf Atochem Italia S.r.L.
    Inventors: Luciano Abrigo, Carla Beretta, Ezio Montessoro, Michele Merenda
  • Patent number: 6037408
    Abstract: The invention concerns a reagent kit designed to produce elements of synthetic resin for anchoring fixation elements in place by bonding them in multi-cavity plugs. The reagent kit comprises (a) a reagent mixture containing 2,2-bis-[4-(methacryloxyethoxy)phenyl]propane and an optionally unsaturated polyester resin, vinyl resin or acrylic resin or a mixture of these, (b) an accelerator component comprises an organic peroxide and (c) a filler component, the accelerator component (b) being kept separate from the reagent mixture (a) before use.
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: March 14, 2000
    Assignee: UPAT GmbH & Co.
    Inventors: Christian Weber, Jurgen Grun, Elke Wasmer
  • Patent number: 5993909
    Abstract: A thermosetting composition which comprises (A) an epoxy group-containing modified polyester polymer comprising a structural moiety of (a) a carboxyl group-containing polyester resin having a number average molecular weight of 1,500 to 50,000 and a resin acid value of 2 to 30 mgKOH/g and a structural moiety of a polymer of (b) an epoxy group-containing vinyl monomer, the carboxyl groups and a part of the epoxy groups being bonded in an equivalent ratio of the carboxyl groups in the component (a) to the epoxy groups in the polymer of the component (b) of 0.1 or less, and having an epoxy equivalent weight of 200 to 2,000 g/mol, and (B) a compound having two or more functional groups which are blocked by a vinyl ether, vinyl thioether or heterocyclic group carrying oxygen or sulfur as the heteroatom and having a double bond of the vinyl type.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: November 30, 1999
    Assignee: NOF Corporation
    Inventors: Hiroki Mizutani, Yoshinori Nakane, Masahiro Ishidoya
  • Patent number: 5932653
    Abstract: This invention is directed to a composition comprising a complex reaction product of an oil soluble cobalt soap and an oil soluble overbased calcium soap which serves as a "loss of dry" inhibitor, particularly in an oil-based paint, and as an accelerator with gel-time stabilizer and color development inhibitor characteristics in polyester polymerization.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: August 3, 1999
    Assignee: Troy Corporation
    Inventor: Milton Nowak
  • Patent number: 5859127
    Abstract: Disclosed is a novel thermosetting resin composition suitable for the preparation of an integrally molded two-parts composite body consisting of a first part of a cured silicone rubber and a second part of a cured thermosetting resin without intervention of an adhesive layer at the interface. The thermosetting resin composition comprises:(a) 100 parts by weight of an unsaturated polyester resin;(b) from 20 to 50 parts by weight of an ethylenically unsaturated polymerizable compound such as diallyl phthalate;(c) from 5 to 30 parts by weight of an epoxy resin;(d) from 2 to 20 parts by weight of a melamine resin;(e) from 0.1 to 2 parts by weight of a radical-reactive curing agent which is an organic peroxide; and(f) from 0.1 to 2 parts by weight of an acidic catalyst such as aromatic sulfonic acid derivatives.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: January 12, 1999
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Sadao Nakano, Susumu Iwama, Mikio Kiyosawa
  • Patent number: 5837782
    Abstract: A novel bis(mono- or diperoxyoxalate) composition of Structure A, ##STR1## and use of the novel bis(mono- or diperoxyoxalate) composition as an initiators for curing of unsaturated polyester resins and for polymerizing ethylenically unsaturated monomers are disclosed.
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: November 17, 1998
    Assignee: Elf Atochem North America, Inc.
    Inventor: Jose Sanchez
  • Patent number: 5773510
    Abstract: A process for the preparation of branched thermoplastic resins comprising: heating a mixture of an unsaturated resin, a free radical initiator, and a stable free radical agent; adding to the heated mixture at least on polymerizable monomer; and cooling the mixture, wherein the resulting product is a branched thermoplastic resin with arms or branches comprised of polymerized monomer with substantially uniform length and narrow polydispersity.
    Type: Grant
    Filed: March 30, 1995
    Date of Patent: June 30, 1998
    Assignee: Xerox Corporation
    Inventors: Peter M. Kazmaier, Karen A. Moffat, Marko D. Saban, Richard P. N. Veregin, Michael K. Georges, Gordon K. Hamer, Toyofumi Inoue, Stephan V. Drappel
  • Patent number: 5583194
    Abstract: The invention provides a method for making a curable epoxysilicone composition through the hydrosilation reaction between an ethylenically unsaturated epoxide and an SiH-containing silicone to produce an epoxysilicone product, and catalyzed by a quaternary ammonium, phosphonium or arsonium hexahaloplatinate which does not promote the oxirane ring-opening reaction of either the ethylenically unsaturated epoxide starting material or the epoxysilicone product. The invention also provides for a curable epoxysilicone composition made by the above method.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: December 10, 1996
    Assignee: General Electric Company
    Inventors: James V. Crivello, Mingxin Fan
  • Patent number: 5494978
    Abstract: A stabilized polysilazane obtained by reacting an inorganic polysilazane having a number average molecular weight of about 100 to about 100,000 with an alcohol, an organic acid, an ester, a ketone, an aldehyde, a mercaptan, or an alkysilazane preferably at a molar ratio of from 50/50 to 99.99/0.01 is described.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: February 27, 1996
    Assignee: Tonen Corporation
    Inventors: Yasuo Shimizu, Yuuji Tashiro, Hiroyuki Aoki, Masaaki Ichiyama, Hayato Nishii, Toshihide Kishi, Kouji Okuda, Takeshi Isoda
  • Patent number: 5475040
    Abstract: Filled, thermoplastic-modified thermosetting polyester resin formulations are provided as encapsulants for microelectronics devices. The polyester encapsulant formulations include either a low profile thermoplastic resin additive or a combination of polyethylene and a low shrink thermoplastic additive. In preferred embodiments the polyester encapsulant formulations are of low viscosity and can be utilized in various pressure molding protocols. The encapsulant matrix is characterized by a low coefficient of thermal expansion, very low shrinkage, low modulus, and good thermal conductivity. Microelectronics devices encapsulated with the polyester resin formulation exhibit good resistance to moisture related and stress-induced failure.
    Type: Grant
    Filed: June 14, 1994
    Date of Patent: December 12, 1995
    Assignee: Thermoset Plastics, Inc.
    Inventors: William L. Jamison, William H. Jenson, George E. Sears, Jr.
  • Patent number: 5470887
    Abstract: Vesiculated polymer beads are prepared in which a water-in-oil-in-water emulsion containing a cross-linkable polymer and a copolymerizable monomer in the oil phase is heated in the presence of an initiator to cure the polymer beads, wherein curing is commenced in a first stage in the presence of a substantially water-insoluble initiator and, when the beads are sufficiently stable, curing is completed in a second stage in the presence of an at least partially water-soluble initiator. Preferably, the completion of curing is carried out at a temperature higher than that of the first stage. The beads can be used in low odor paint formulations.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: November 28, 1995
    Assignee: Imperial Chemical Industries, PLC
    Inventors: Neil Perrins, Mary E. Kelly
  • Patent number: 5449549
    Abstract: An unsaturated polyester resin characterized by high performance electrical, physical and mechanical properties and useful in the electronic and microwave industries, and a process for preparing such a resin.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: September 12, 1995
    Assignee: Glasteel Industrial Laminates, Inc.
    Inventors: Thomas E. Even, Stephen K. Bishop, Lewis M. Perkey
  • Patent number: 5395865
    Abstract: Quickly curable unsaturated polyester composition with improved surface characteristics and stability in storage contains 20-40 weight parts of unsaturated polyester, 20-60 weight parts of vinyl monomer, 0.01-1.0 weight parts of BHT (ditertiary butyl hydroxy toluene), and 10-40 weight parts of thermoplastic resin such that the total is 100 weight parts. In addition, 0.001-0.1 weight parts of compound with effect of inhibiting polymerization at temperatures over 100.degree. C. are contained against the total of 100 weight parts. Molding materials are obtained by impregnating glass fibers with such compositions and products are obtained by curing such molding materials.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: March 7, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Koichi Akiyama, Takashi Shibata, Hiroma Miyashita, Sanji Aoki, Ken Hatta, Takashi Ino, Yasuhiro Mishima
  • Patent number: 5395866
    Abstract: A resin composition including a modified acrylic unsaturated polyester resin composition comprising a maleic dicyclopentadienyl glycol polyester which is dissolved in a mixture of styrene monomer and methylmethacrylate monomer. The maleic dicyclopentadienyl glycol polyester is the reaction product of a glycol or mixture of glycols, an ethylenically unsaturated polycarboxylic acid moiety and dicyclopentadiene. The glycol utilized as a reactant preferably has a structure defined by: H--(OCHR--CH.sub.2).sub.n --OH wherein R is H or CH.sub.3 and n is 1-10. The concentration of unsaturated polyester is preferably about 40 weight percent to about 75 weight percent in the resin composition. The concentration of styrene monomer ranges from about 5 weight percent to about 40 weight percent, while the concentration of methylmethacrylate monomer ranges from about 5 weight percent to about 45 weight percent.
    Type: Grant
    Filed: June 18, 1993
    Date of Patent: March 7, 1995
    Assignee: Interplastic Corporation
    Inventors: Louis R. Ross, Matthew C. Kastl
  • Patent number: 5319007
    Abstract: Ophthalmic lens compositions comprising a cured polymer mixture of (A) an unsaturated polyester resin composition, (B) a monomer of the formula ##STR1## (C) an optional vinyl, acrylate monomer, or other monomer or mixtures thereof, and (D) a free radical generating catalyst system. Such a curable plastic material can form ophthalmic lenses of superior properties including high index of refraction which reduces the amount of material required for corrections.
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: June 7, 1994
    Inventor: Elvin M. Bright
  • Patent number: 5298314
    Abstract: An unsaturated polyester resin characterized by high performance electrical, physical and mechanical properties and useful in the electronic and microwave industries, and a process for preparing such a resin.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: March 29, 1994
    Assignee: Glasteel Industrial Laminates, Inc.
    Inventors: Thomas E. Even, Stephen K. Bishop, Lewis M. Perkey
  • Patent number: 5189094
    Abstract: A process for producing a thermoset resin, which comprises reacting (A) a poly(cyclic iminoether), (B) an ethylenically unsaturated compound having a functional group reactive with the poly(cyclic iminoether), and (C) an ethylenically unsaturated monomer having no functional group reactive with the poly(cyclic iminoether), in the presence of an acid catalyst and a radical catalyst. Instead of the compound (B), there may be used the compound (D), i.e. a compound having at least two equivalents of at least one group selected from the class consisting of carboxyl, hydroxyl, amino, epoxy and carboxylic anhydride groups in the molecule and being free from an ethylenically unsaturated bond. The present application provides also a thermosetting composition and a thermoset resin.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: February 23, 1993
    Assignee: Teijin Limited
    Inventors: Hiroyuki Umetani, Hiroo Inata, Shunichi Matsumura, Hiroshi Mera
  • Patent number: 5166291
    Abstract: Unsaturated polyester fiber reinforced molding compounds containing low profile additives achieve moldings with improved shrinkage control, improved surface appearance, less separation and lower coefficient of thermal expansion by the addition of lactams.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: November 24, 1992
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Kenneth E. Atkins, Gary C. Rex
  • Patent number: 5159044
    Abstract: The invention relates to sheet molding compounds having improved viscosity control comprising polyester-polyurethane hybrid resins formed by the reaction of an A side composition and a B side composition. The A side composition comprises a polyfunctional isocyanate compound and a free radical polymerization catalyst. The B side composition comprises a mixture of (i) an ethylenically unsaturated monomer solution having no active hydrogen groups which has dissolved therein about 40-90 weight percent of a substantially water-free, unsaturated polyester polyol having at least one dicarboxylic alkene moiety and having an acid number less than five; and (ii) a methacrylate ester of a C.sub.2 -C.sub.10 alkylene diol.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: October 27, 1992
    Assignee: Amoco Corporation
    Inventor: Ben R. Bogner
  • Patent number: 5084494
    Abstract: A polyester resin and reinforcement composite for use in the manufacture of glass fiber-reinforced polyester products is disclosed. The composite is prepared using an initiator which has been microencapsulated in order to prevent initiator-induced cross-linking of the resin reactants. The initiator is released during the molding of the composite by rupture of the microcapsules due to internal vapor pressure developed at a preselected temperature. The encapsulation of the initiator increases the storage life and temperature stability of the composites prior to molding. The encapsulation of the initiator also provides improved homogeneity and increased flowability of the composites during molding, an enables the provision of molded polyester products having higher degrees of cure and more defect-free finish surfaces.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: January 28, 1992
    Inventor: McDougal: John R.
  • Patent number: 5077326
    Abstract: A quickly curable unsaturated polyester composition with high surface quality contains an unsaturated polyester, a vinyl monomer, either an alkane polyol polyacrylate or an alkane polyol polymethylacrylate, a thermoplastic resin, and one or more curing catalysts selected from t-butylperoxy benzoate, t-butylperoxy octoate and 2,5-dimethyl-2,5-di(benzoilperoxy) hexane. Molding compounds are obtained by impregnating glass fibers with such composition and molded products obtained by curing such molding material have improved surface smoothness.
    Type: Grant
    Filed: June 8, 1989
    Date of Patent: December 31, 1991
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Shibata, Koichi Akiyama, Sanzi Aoki, Yasuhiro Mishima, Hisayuki Iwai, Ken Hatta
  • Patent number: 5004780
    Abstract: A novel cyclic monoperoxyketal represented by the following general formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 represent hydrogen atoms, or same or different alkyl groups having 1-3 carbon atoms, R.sup.4 represents an alkyl group having 1-5 carbon atoms, R.sup.5 represents an alkyl group having 1-3 carbon atoms, and R.sup.6 and R.sup.7 may be separate groups, in which R.sup.6 represents an alkyl group having 1-3 carbon atoms and R.sup.7 represents an alkyl group having 2-10 carbon atoms, a cycloalkyl group or an aryl group, or may be combined into a cylcoalkylene group having 3-12 carbon atoms, has high stability and excellent decomposition property, and is useful as a polymerization initiator of unsaturated monomers and as a curing agent of unsaturated polyester resin.
    Type: Grant
    Filed: March 8, 1989
    Date of Patent: April 2, 1991
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Kazuo Matsuyama, Takashi Sugiura, Takeshi Komai
  • Patent number: 5001168
    Abstract: An adhesive for surface mounting devices comprising a polymerizable prepolymer, a reactive diluent, and a polymerization initiator, the adhesive further comprising as a chelating agent an aminopolycarboxylic acid having at least one hydroxyethyl group bound to the nitrogen atom thereof or an alkali metal salt thereof, and as a curing accelerator cupferron or a metallic salt thereof.
    Type: Grant
    Filed: July 6, 1989
    Date of Patent: March 19, 1991
    Assignee: Somar Corporation
    Inventors: Ryuichi Fujii, Rihei Nagase
  • Patent number: 4980113
    Abstract: Unsaturated polyester resin coating powder composition consisting essentially of at least one unsaturated polyester resin; at least one copolymerizable second resin; and an initiator which comprises 1,1'-di(t-butylperoxy)-3,3,5-trimethylcylcohexane (AE), or which contains a small proportion of a fast initiator and a relatively large proportion of a slow initiator as defined herein. Initiator AE has been found to work better as a single initiator than other initiators previously employed in in-mold powder coating formulations. The combination of initiators works better than either one alone, and better than any of the few moderate rate initiators available.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: December 25, 1990
    Assignee: Morton International, Inc.
    Inventors: Frederick L. Cummings, Glenn D. Correll
  • Patent number: 4977240
    Abstract: A peroxide curing agent composition containing 20-90% of an unsaturated alkyd diluent which is fluid at room temperature, is disclosed. The curing agent is useful for the curing of unsaturated polyesters and eliminates the problem of the bleeding of harmful phthalate diluents from such cured polyesters, while providing excellent stability of the diluted peroxide.
    Type: Grant
    Filed: November 7, 1989
    Date of Patent: December 11, 1990
    Assignee: Kayaku Akzo Corporation
    Inventor: Akio Ishiwatari
  • Patent number: 4952652
    Abstract: Unsaturated polyester compositions which are quickly curable and from which molded products with superior surface quality can be obtained are characterized as being composed of an unsaturated polyester, an olefinic unsaturated monomer, an aromatic vinyl-conjugated diene block copolymer or a hydrogenated aromatic vinyl-conjugated diene block copolymer, a mixture of t-butylperoxy benzoate, t-butylperoxy octoate and 1,1-bis(t-butylperoxy) 3,3,5-trimethyl cyclohexane, and at least one selected from organic compounds of cobalt, copper and manganese.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: August 28, 1990
    Assignees: Toyota Jidosha Kabushiki Kaisha, Takeda Chemical Industries, Ltd.
    Inventors: Kenichi Nishino, Takashi Shibata, Sanzi Aoki, Yasuhiro Mishima, Hisayuki Iwai, Ken Hatta
  • Patent number: 4929651
    Abstract: A process is provided for manufacturing ballistic resistant composites of an isophthalic thermoset polyester and woven roving made of magnesia aluminosilicate glass fibers. An impregnating solution is provided whereby pregregs can be conveniently formed and then vacuum bag molded. The ingredients in the impregnating solution are critically selected to provide prescribed viscosities after the elapse of certain periods of time and thereby allow the final articles to be formed in an economical and expedient manner.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: May 29, 1990
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: James V. Gauchel, Edward L. Wilson, Edward J. Kerle
  • Patent number: 4916184
    Abstract: An adhesive composition comprising a component which is polymerizable or cross-linkable with a peroxy initator, e.g., a (meth)acrylic ester monomer, thiolene resin, or tough acrylic copolymer, and an initiator of the formula: ##STR1## wherein: R.sub.1 is H or lower alkyl; and R.sub.2 is H or --OR.sub.3, where R.sub.3 is H or lower alkyl.An appertaining method of bonding substrates, and bonded articles formed thereby, are also disclosed. The adhesive composition of the invention is particularly advantageous in bonding of metal substrates, on which the maleic acid peroxy compounds of the invention produce surface bonding enhancement of the adhesive composition, relative to the use of conventional polymerization/crosslinking peroxy initiators such as t-butyl perbenzoate.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: April 10, 1990
    Assignee: Loctite Corporation
    Inventor: Paul J. Clark