Blocked Isocyanate Reactant Patents (Class 525/124)
  • Publication number: 20080255308
    Abstract: Powder slurries curable thermally and with actinic radiation and comprising solid and/or highly viscous particles dimensionally stable under storage and application conditions, including at least one binder free of carbon-carbon double bonds activatable with actinic radiation, comprising at least one (meth)acrylate copolymer containing on average per molecule at least one isocyanate-reactive functional group and at least one ion-forming group; at least one blocked and/or part-blocked polyisocyanate; and at least one olefinically unsaturated constituent which is free of isocyanate-reactive functional groups and contains on average per molecule at least one isocyanate group blocked with pyrazole or with at least one substituted pyrazole and at least two carbon-carbon double bonds which can be activated with actinic radiation, prepared by reacting at least one polyisocyanate with pyrazole and/or with at least one substituted pyrazole and also with at least one compound containing an isocyanate-reactive functiona
    Type: Application
    Filed: October 12, 2004
    Publication date: October 16, 2008
    Applicant: BASF COATINGS AG
    Inventors: Berthold Austrup, Hubert Baumgart, Guido Wilke
  • Publication number: 20080251203
    Abstract: Core-shell rubbers are incorporated into epoxy adhesives. The adhesives are structural type adhesives that contain an epoxy resin and a toughener, and may contain a liquid rubber in addition to the core-shell rubber. The adhesives have good modulus and tensile strength, which are obtained without loss of elongation and adhesive properties.
    Type: Application
    Filed: April 9, 2008
    Publication date: October 16, 2008
    Inventors: Andreas Lutz, Jeannine Fluekiger, Cathy Grossnickel
  • Patent number: 7425594
    Abstract: A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and/or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: September 16, 2008
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Jonathan T. Martz, Stephen J. Thomas
  • Publication number: 20080214735
    Abstract: The present invention is directed to a method of forming a golf ball that contains an interpenetrating polymer network, or IPN, which includes at least two polymeric systems, in one or more of the layers. The first polymeric system may include a polyurethane-based or polyurea-based system having blocked isocyanate groups and the second polymeric system may include an epoxy-based or acrylic-based system, wherein the two systems are polymerized or cured simultaneously or sequentially to form an IPN.
    Type: Application
    Filed: February 27, 2008
    Publication date: September 4, 2008
    Inventors: Manjari Kuntimaddi, Shenshen Wu, Murali Rajagopalan
  • Patent number: 7419721
    Abstract: The present invention is directed to sizing compositions for glass fibers and glass fiber reinforced thermoplastic resins. The sizing composition comprises a maleic anhydride copolymer. Thermoplastic polyamide resin articles reinforced with glass fibers at least partially coated with a residue of the sizing composition can demonstrate a surprising improvement in strength of the reinforced polyamide resin when lubricated with a fatty acid metal salt and in the hydrolysis resistance when exposed to boiling water/ethylene glycol medium.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: September 2, 2008
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Henri Beerda, Ronald Boelman, Jacob Cornelis Dijt, Bertho van de Heisteeg, Johannes Leonardus Tabak
  • Publication number: 20080132646
    Abstract: This invention is directed to a coating composition comprising an coating composition comprising a crosslinkable composition and a crosslinking composition. The crosslinkable composition comprises an acrylic polyol wherein the acrylic polyol comprises at least 40 percent by weight of at least one linear or branched C8 or higher alkyl acrylate monomer and at least one polyester extended acrylate monomer. The coating composition is suitable for use as a basecoat and can be used in a 3-wet paint process that eliminates the primer curing booth.
    Type: Application
    Filed: December 4, 2007
    Publication date: June 5, 2008
    Inventors: Delson Jayme Trindade, Peter William Uhlianuk
  • Publication number: 20080124474
    Abstract: The invention relates to a high gloss car wash-resistant coating composition comprising an epoxy-functional binder and a cross-linker reactive with the epoxy groups of the binder and a method to prepare such a car wash-resistant coating. The invention further relates to the use of said coating composition, as a pigment-free top coat or a clear coat, in the finishing and refinishing of articles, for example motorcycles, cars, trains, buses, trucks, and aeroplanes. The coating composition after curing forms a coating having an initial gloss of at least 81 GU and a loss of gloss (LoG) of less than 0.25, the loss of gloss being determined by the formula (I) LoG=(1?e(A/X))/(1+eK)+(1?eD*?Tg) ??(I) wherein K=B*(Tgonset?C) In formula I A=?8.03, B=?0.21, C=328 and D=?0.00304.
    Type: Application
    Filed: October 25, 2005
    Publication date: May 29, 2008
    Inventors: Cornelis Adrianus Maria Vijverberg, Martin Bosma, Johannes Wilhelmus Maria Schellekens, Freddy Gerhard Hendrikus Van Wijk
  • Patent number: 7357962
    Abstract: An automobile body-used light-colored water based coating composition containing a water dispersion (A1) prepared by water-dispersing a block copolymer resin (A) comprising a copolymer (a1) obtained by copolymerizing a monomer component containing an olefin monomer and a copolymer (a2) obtained by copolymerizing a monomer component containing a carboxyl group or carboxylic anhydride group-containing vinyl monomer, a hydroxyl group-containing resin (B), a curing agent (C) and a color pigment, a resulting coating film having a lightness L* value in accordance with a L*a*b* color system as defined in JIS Z 8729 in the range of 80 or more.
    Type: Grant
    Filed: October 14, 2004
    Date of Patent: April 15, 2008
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Hideaki Katsuta, Shingo Sato, Yoshizumi Matsuno
  • Patent number: 7339013
    Abstract: Polymers which comprise polymer chains of terpolymer type which are constituted by poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) of PEO-PPO-PEO form, which are modified at their termini by groups which can essentially be other chains of PEO-PPO-PEO, acid segments, amine groups or PEOs, these chains being linked to the terpolymer chains via chemical bridges which are constituted by urethane bridges, urea bridges, allophanate bridges and biuret bridges, and which comprise more than 80% by weight of said PEO-PPO-PEO. Thermoreversible physical gels of high viscosification index, which contain these polymers, and their uses. Preparation of these polymers and of these gels.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: March 4, 2008
    Assignee: Polymerexpert SA
    Inventors: Anne Pagnoux, Marc Dolatkhani, Patricia Chaffaux
  • Patent number: 7273910
    Abstract: Process for the preparation of a functionalized polymer containing an additive, in which process there is formed a compound that contains, besides at least one blocked isocyanate group, a free amino, hydroxy or carboxy group; this compound is linked to an additive via the free amino, hydroxy or carboxy group in the additive; this additive linked to the compound mentioned is contacted with a polymer that contains at least one free amino or hydroxyl group, at a temperature above the polymer's melting point and at least above 150° C., such that the blocked isocyanate group reacts with the free amino or hydroxy group of the polymer to form the functionalized polymer. The invention also relates to the intermediate products formed in the process and in the preparation thereof. Lastly, the invention relates to functionalized polymers and polymer compositions containing the functionalized polymer.
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: September 25, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: Jacobus Antonius Loontjens, Bartholomeus Johannes Margretha Plum, Albert Arnold Van Geenen, Weihua Ming
  • Patent number: 7247677
    Abstract: There is provided a thermosetting powder coating composition comprising (A1) a fluorine-containing copolymer and (B) a curing agent, in which the copolymer contains, as essential structural units, a fluoroolefin unit, an alkene unit and cyclohexyl vinyl ether unit and/or p-tertiary butyl vinyl benzoate unit, has a sum of cyclohexyl vinyl ether unit and p-tertiary butyl vinyl benzoate unit of from 5 to 45% by mole, has a thermal transition temperature of from 45° to 120° C. and has a crosslinkable reaction group. The thermosetting powder coating composition is excellent in storage stability and provides a coating film possessing a smooth surface and enhanced impact resistance.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: July 24, 2007
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuhiko Tsuda, Ryoichi Fukagawa, Keisuke Tano, Daisuke Tanizawa
  • Patent number: 7220814
    Abstract: The present invention relates to new hydrophilicized blocked polyisocyanates, a process for preparing them and their use.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: May 22, 2007
    Assignee: Bayer MaterialScience AG
    Inventors: Thorsten Rische, Christoph Gürtler, Karin Naujoks, Thomas Feller
  • Patent number: 7189784
    Abstract: A curable composition comprises: blocked polyisocyanate, curative, and a crosslinked copolymer of monomers comprising at least one free-radically polymerizable carboxylic acid and at least one of an alkyl or alkaryl (meth)acrylate. Methods of making the curable compositions and their use in the manufacture of abrasive articles are also disclosed.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: March 13, 2007
    Assignee: 3M Innovative Properties Company
    Inventor: Loren L. Barber, Jr.
  • Patent number: 7183355
    Abstract: A curable, aqueous film-forming composition is provided, comprising: (a) a copolymer containing reactive functional groups and comprising at least 30 mol % of residues having alternating structural units: -[DM-AM]- wherein DM represents a residue from a donor monomer, and AM represents a residue from an acceptor monomer, at least 15 mol % of the copolymer comprising a donor monomer having the structure (I): wherein R1 is linear or branched C1 to C4 alkyl, R2 is selected from methyl, linear, cyclic or branched C1 to C20 alkyl, alkenyl, aryl, alkaryl and aralkyl; and (b) a curing agent having functional groups reactive with the reactive functional groups of (a). The invention is also directed to a multi-component composite coating composition including a base coat deposited from a pigmented film-forming composition and a transparent topcoat applied over the base coat. At least one-coat is the film-forming composition described above.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: February 27, 2007
    Assignee: PPG Industries, Ohio, Inc.
    Inventors: Roxalana L. Martin, Edward R. Coleridge, Mark A. Tucker, Mary E. Grolemund
  • Patent number: 7176254
    Abstract: Novel sizing compositions, their preparation and use. The compositions contain water-dispersible and/or water-soluble and alkylamine-blocked polyisocyanates, film-forming resins, coupling agents and lubricants. The isocyanates are synthesized from at least one polyisocyanate, at least one ionic and/or potentially ionic and/or nonionic compound, and at least one blocking agent which is at least 20% by weight aralkylamines.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: February 13, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thorsten Rische, Karin Naujoks, Thomas Feller, Christoph Gürtler, Jan Mazanek
  • Patent number: 7176250
    Abstract: A non-vinylidene fluororesin powder coating material having blocking resistance and high impact resistance, is provided. A fluororesin powder coating composition comprising a non-vinylidene fluororesin having a Tg higher than 40° C. and a resin having a Tg of from 0 to 40° C.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: February 13, 2007
    Assignee: Asahi Glass Company, Limited
    Inventors: Akihiko Asakawa, Masaru Yamauchi
  • Patent number: 7144955
    Abstract: Solvent-based, dual cure coatings incorporating thermally curable blocked polyisocyanates, which also contain unsaturated linkages, and a method for preparing these coatings. The unsaturated linkages, such as acrylate groups, can be crosslinked by free-radical mechanisms such as UV curing.
    Type: Grant
    Filed: October 27, 2003
    Date of Patent: December 5, 2006
    Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AG
    Inventors: Scott A. Grace, Michael J. Dvorchak, Richard R. Roesler, Dinesh Pethiyagoda, Michael K. Jeffries, Jan Weikard
  • Patent number: 7132477
    Abstract: A thermosetting composition that includes a co-reactable solid, particulate mixture of a film forming material having functional groups, a crosslinking agent having at least two functional groups that are reactive with the functional groups in the film forming material, and a monocarboxylic acid. Multi-component composite coatings, coated substrates, and related methods are also provided.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: November 7, 2006
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Kurt A. Humbert, Karen S. Rechenberg, Edward R. Coleridge, Charles M. Kania, Paul H. Lamers
  • Patent number: 7132476
    Abstract: A thermosetting composition that includes an ungelled copolymer composition and a crosslinking agent. The ungelled copolymer composition includes a functional group-containing copolymer that includes segments of alternating residues derived from a donor monomer composition comprising an acceptor monomer composition. The donor monomer composition includes one or both of isobutylene and diisobutylene, and the acceptor monomer composition includes acrylic monomers and monomers containing functional groups. The ungelled copolymer composition is substantially free of transition metals and Lewis acids, and the copolymer is substantially free of maleate-type monomer residues and fumarate-type monomer residues. The crosslinking agent has at least two functional groups that are reactive with the functional groups of the copolymer. The thermosetting composition may be in liquid, powder, or dispersed form and may be applied by traditional or electrocoating methods.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: November 7, 2006
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Simion Coca, Edward R. Coleridge, Gregory J. McCollum, James B. O'Dwyer, James E. Poole, Victoria A. Trettel
  • Patent number: 7125931
    Abstract: A thermosetting composition that includes an ungelled copolymer composition and a crosslinking agent. The ungelled copolymer composition includes a functional group-containing copolymer that includes segments of alternating residues derived from a donor monomer composition comprising an acceptor monomer composition. The donor monomer composition includes one or both of isobutylene and diisobutylene, and the acceptor monomer composition includes acrylic monomers and monomers containing functional groups. The ungelled copolymer composition is substantially free of transition metals and Lewis acids, and the copolymer is substantially free of maleate-type monomer residues and fumarate-type monomer residues. The crosslinking agent has at least two functional groups that are reactive with the functional groups of the copolymer. The thermosetting composition may be in liquid, powder, or dispersed form and may be applied by traditional or electrocoating methods.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: October 24, 2006
    Assignee: PPG industries Ohio, Inc.
    Inventors: Simion Coca, Edward R. Coleridge, Gregory J. McCollum, James B. O'Dwyer, James E. Poole, Victoria A. Trettel
  • Patent number: 7122600
    Abstract: A thermosetting composition that includes a co-reactable solid, particulate mixture of a film forming material having functional groups and a crosslinking agent having at least two functional groups that are reactive with the functional groups in the film forming material. The crosslinking agent includes a copolymer having at least 30 mol % of alternating structural units of a residue from a donor monomer and a residue from one or more acrylic acceptor monomers. The thermosetting composition may coat a substrate by coalescing the composition to form a continuous film and curing the composition. The thermosetting composition may be included as part of a multi-component composite coating composition that includes an optional primer coat, a base coat deposited from a pigmented film-forming composition, and a transparent top coat applied over the base coat, where either the base coat, the transparent top coat, or both, are deposited from the thermosetting composition.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: October 17, 2006
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Karen S. Rechenberg, Simion Coca, Karen A. Barkac, James B. O'Dwyer, Linda J. Bowser
  • Patent number: 7064165
    Abstract: Coating materials curable thermally and with actinic radiation, comprising (A) at least one binder containing isocyanate-reactive functional groups and (B) a crosslinking component comprising (i) free and/or blocked isocyanate groups, (ii) reactive functional groups containing at least one bond which can be activated with actinic radiation, (iii) flexibilizing segments which as part of three-dimensional networks lower their glass transition temperature Tg, and (iv) hardening segments which as part of three-dimensional networks raise their glass transition temperature Tg; with the proviso that the crosslinking component (B) comprises or consists of at least one constituent which has the features (i) and (ii); processes for their preparation, and their use.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: June 20, 2006
    Assignee: BASF Coatings AG
    Inventors: Hubert Baumgart, Uwe Meisenburg
  • Patent number: 7060752
    Abstract: Nitrophenol resins based upon various support materials. The nitrophenol resins are prepared by amide bond formation between a hydroxyl nitro benzoic acid and an aminoalkyl polymer support.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: June 13, 2006
    Assignee: New York University
    Inventors: Young-Tae Chang, Jaw Wook Lee
  • Patent number: 7022748
    Abstract: Aqueous dispersions curable thermally and with actinic radiation, comprising (I) liquid, and/or highly viscous solid particles dimensionally stable under storage and application conditions, comprising (IA) a binder free of carbon-carbon double bonds activatable with actinic radiation, comprising at least one (meth)acrylate copolymer containing on average per molecule at least one isocyanate-reactive functional group and at least one dispersive functional group, and (IB) at least one blocked polyisocyanate; (II) liquid, highly viscous and/or solid particles dimensionally stable under storage and application conditions, comprising at least one polyurethane (II) containing at least one isocyanate-reactive functional group, at least one functional group having at least one bond activatable with actinic radiation, and at least one dispersive functional group, and (III) at least one unsaturated constituent which is free of isocyanate-reactive functional groups and contains on average per molecule more than on
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: April 4, 2006
    Assignee: BASF Coatings AG
    Inventors: Guido Wilke, Ulrike Röckrath
  • Patent number: 7019102
    Abstract: Blocked polyurethane prepolymers obtained by reacting at least one polyol, a first polyisocyanate comprising diphenylmethane diisocyanate, a second polyisocyanate having a viscosity at 25° C. of less than about 250 mPa·s, a phenol blocking agent, and an oxime blocking agent, wherein the weight ratio of second polyisocyanate:first polyisocyanate is not more than 0.65:1. The blocked polyurethane prepolymers are especially useful in formulating coating compositions additionally comprising at least one acrylic resin, at least one plasticizer, at least one filler, and optionally other ingredients and additives. A cured coating is obtained by applying a layer of the coating composition to a substrate surface and heating the coating composition layer.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: March 28, 2006
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Rainer Schoenfeld, Corina Bisog, David Sturgill, Kazuhiko Sato
  • Patent number: 7008673
    Abstract: A curable composition comprising (A) constituents containing carbamate groups I: —O—C(O)—NHR??(I) in which R=a hydrogen atom or an alkyl, cycloalkyl or aryl group, (B) constituents containing carbamate-reactive groups, the equivalents ratio of carbamate-reactive groups in (B) to carbamate groups in (A) being >0.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: March 7, 2006
    Assignee: BASF Coatings AG
    Inventors: Hubert Baumgart, Sandra Hasse, Helmut Kleine Beckmann, Vincent Cook
  • Patent number: 6992137
    Abstract: A copolymer composition that includes a copolymer comprised of at least 30 mol % of residues having the following alternating residues from a donor monomer and from an acceptor monomer. The copolymer contains at least 15 mol % of an isobutylene type donor monomer and at least 15 mol % of an acrylic monomer as an acceptor monomer. The copolymer is substantially free of maleate or fumarate monomer segments and the copolymer composition is substantially free of Lewis acids and transition metals. Also disclosed is a thermosetting composition that includes a reactant comprising functional groups, a crosslinking agent having at least two functional groups that are reactive with the functional groups first reactant, and a copolymer flow control agent that includes the copolymer composition as well as substrates coated with the thermosetting composition.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: January 31, 2006
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Simion Coca, Edward R. Coleridge, Gregory J. McCollum, James B. O'Dwyer, James E. Poole, Victoria A. Trettel
  • Patent number: 6989418
    Abstract: This invention relates to an aqueous film-forming mixture which does not contain a vinyl halide and which can be utilized to prepare conformable films which are useful in various applications such as adhesive tapes, labels and decorative sheets. The aqueous film-forming mixtures generally comprise, based on the weight of the solids in the aqueous mixture, (A) from about 50% to about 80% by weight of an acrylic-urethane copolymer which forms a film having an elongation at break of at least about 300%, and (B) from about 5% to about 25% by weight of an acrylic polymer or copolymer having a Tg of less than about 55° C., wherein the acrylic polymer or copolymer (B) is different from the acrylic-urethane copolymer (A). The aqueous mixtures also may contain up to about 40% by weight of a pigment.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: January 24, 2006
    Assignee: Avery Dennison Corporation
    Inventors: Chan U. Ko, Aren Joost de Man, Timothy L. Paris
  • Patent number: 6987143
    Abstract: A hydrophilizing agent comprising: (a) a hydrophilic polymer which is a copolymer of N-vinylacetamide with a polymerizable monomer having a COOX group (wherein X means hydrogen, an alkali metal atom, or an ammonium salt); (b) a water-soluble urethane resin; and (c) inorganic silica. It imparts hydrophilicity and corrosion resistance to the surface of a metallic material.
    Type: Grant
    Filed: January 15, 2001
    Date of Patent: January 17, 2006
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Kazuya Nakada, Motoya Kawaguchi
  • Patent number: 6979713
    Abstract: A curable composition comprises: blocked polyisocyanate, curative, and a crosslinked copolymer of monomers comprising at least one free-radically polymerizable carboxylic acid and at least one of an alkyl or alkaryl(meth)acrylate. Methods of making the curable compositions and their use in the manufacture of abrasive articles are also disclosed.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: December 27, 2005
    Assignee: 3M Innovative Properties Company
    Inventor: Loren L. Barber, Jr.
  • Patent number: 6943210
    Abstract: A pseudoplastic powder clearcoat slurry which is free from organic solvents and comprises solid and/or highly viscous, particles which are dimensionally stable under storage and application conditions and have an average size of from 0.8 to 20 ?m, at least 99% of the particles having a size ?30 ?m, which is preparable by 1) emulsifying an organic solution comprising binder and crosslinking agent to give an emulsion of the oil-in-water type, 2) removing the organic solvent or solvents, and 3) wet grinding the resulting slurry; and also the use of the powder clearcoat slurry to produce clearcoats for automotive OEM finishing and automotive refinish, for furniture coating and for industrial coating, including coil coating, container coating and the coating of electrical components.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: September 13, 2005
    Assignee: BASF Coatings AG
    Inventors: Ulrike Röckrath, Günther Ott, Jan Berg, Werner-Alfons Jung, Joachim Woltering
  • Patent number: 6916869
    Abstract: An acrylic resin plastisol coating compound which comprises containing therein acrylic resin particles and a self-crosslinking blocked isocyanate prepolymer having blocked isocyanate group and hydroxyl group in the molecule. It is superior in storage stability and workability and gives a coating film with good adhesion and chipping resistance.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: July 12, 2005
    Assignees: Asahi Rubber Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Hirofumi Eto, Osamu Sakai, Akihiro Higuchi, Ayumi Takata, Yutaka Ohashi
  • Patent number: 6914115
    Abstract: Polyurethane powder coating compositions containing uretdione groups and curing at low temperatures are provided, along with processes for preparing such compositions, and their use as powder coatings, wherein the compositions generally contain: A) a uretdione-containing powder coating hardener derived from aliphatic, (cyclo)aliphatic, cycloaliphatic or aromatic polyisocyanates and hydroxyl-containing compounds, and having a melting point from 40 to 130° C., a free NCO content of less than 5% by weight, and a uretdione content of 6-18% by weight; B) a hydroxyl-containing polymer having a melting point from 40 to 130° C., and an OH number between 20 and 200 mg KOH/gram, and C) a catalyst of the formula [NR1R2R3R4]+[R5]?, in which R1-R4 simultaneously, or independently of one another, are alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radicals, and each R1-R4 is aromatic, linear or branched, unbridged or bridged with other radicals, R1-R4.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: July 5, 2005
    Assignee: Degussa AG
    Inventors: Emmanouil Spyrou, Holger Loesch, Andreas Wenning
  • Patent number: 6881786
    Abstract: A film-forming composition that includes a stable aqueous dispersion of a mixture of a polyester polyol and a carboxylic acid-containing acrylic polymer polyol and a crosslinking agent having functional groups reactive with hydroxyl groups. The weight ratio of polyester polyol to acrylic polymer polyol is in the range of 10:90 to 30:70. The crosslinking agent is one or more blocked isocyanates or aminoplasts. The equivalent ratio of hydroxyl groups to reactive functional groups on the crosslinking agent is from 0.8:1 to 1.7:1. The film forming composition can be used in multi-layer composite coating compositions that include a base coat layer and a substantially pigment-free topcoat deposited over at least a portion of the base coat layer, the topcoat composition including the present film-forming composition.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: April 19, 2005
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Shanti Swarup, Thi Bach-Phuong Dau
  • Patent number: 6864316
    Abstract: In the thermosetting powder coating composition prepared by a combination use of a fluorine-containing polymer and a polyester polymer and containing a curing agent, the fluorine-containing polymer (A) comprising a fluoroolefin unit and a vinyl ester unit and having a crosslinkable reactive group is used as the fluorine-containing polymer or the polyester polymer (I) containing isophthalic acid and/or 1,4-cyclohexane dicarboxylic acid as essential components and having a crosslinkable reactive group is used as the polyester polymer. By the use of this composition, weather resistance and an appearance of a coating film, for example, gloss and smoothness which are conflicting properties in the thermosetting powder coating composition can be enhanced and well balanced.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: March 8, 2005
    Assignee: Daikin Industries, Ltd.
    Inventors: Miyuki Iwakiri, Ryoichi Fukagawa, Keisuke Tano, Daisuke Tanizawa, Nobuhiko Tsuda, Ryuji Iwakiri
  • Patent number: 6863863
    Abstract: The present invention relates to a coating composition, a process for its preparation, and to its use for the production of textured coated surfaces on heat-resistant substrates, in which coating composition is based on hydroxyl group-containing binders, cross-linking agents and particular amine compounds.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: March 8, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Wamprecht, Christian Füssel, Beate Baumbach
  • Patent number: 6824834
    Abstract: Coating composition especially for preparing automotive surfacers, comprising a condensation product A of a carboxyl-containing resin A1 and a hydroxyl-containing resin A2, a curing agent C which becomes active only at an elevated temperature of at least 80° C., and a high molecular mass polyurethane B.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: November 30, 2004
    Assignee: Solutia Austria GmbH
    Inventors: Markus A. Schafheutle, Ulrike Kuttler, Anton Arzt, Julius Burkl
  • Patent number: 6824849
    Abstract: The invention relates to the use of a halogen-free multi-layer sheet material comprising (i) a base film of a polymer comprising the reaction product of a precursor mixture comprising at least one hydroxy-functional resin and an aminoplast cross-linking agent; (ii) an adhesive layer; and (iii) optionally, a release liner, as a label or a label stock or in the manufacture of a laser cuttable and/or laser markable article. The invention also relates to the use of a halogen-free film of a polymer comprising the reaction product of a precursor mixture comprising at least one hydroxy-functional resin and an aminoplast cross-linking agent in a laser cuttable and/or laser-markable article.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: November 30, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Silke Herzog, Peter Weber
  • Publication number: 20040236021
    Abstract: A solid isocyanate-based composition having a glass transition temperature of at least 30° C. is produced by at least partially blocking the isocyanate groups of a polyisocyanate with a compound corresponding to the specified Formula I. This blocked isocyanate composition is useful in the production of powder coatings which are capable of being cured at temperatures of from 80 to 220° C.
    Type: Application
    Filed: May 23, 2003
    Publication date: November 25, 2004
    Inventors: Thomas Faecke, Ramesh Subramanian, James W. Rawlins, Eric J. Vidra
  • Patent number: 6815501
    Abstract: Dual cure coating composition comprising resin solids, said resin solids being composed of (a) 30 to 90 wt. % of at least one hydroxy-functional polyester urethane having olefinic double bonds, (b) 0 to 60 wt. % of at least one binder other than the polyester urethane (a) and/or at least one reactive diluent, and (c) 10 to 50 wt.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: November 9, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Carmen Flosbach, Thomas Fey, Eva Frigge
  • Patent number: 6809147
    Abstract: The present invention provides a thermosetting composition which is excellent especially in storage stability and solid physical properties and can be used as automotive body sealers or undercoats. The thermosetting composition according to the present invention comprises an acrylic plastisol consisting of a plasticizer having acrylic resin particles having a gradient-type structure in which the monomer unit proportion changes from the core to the shell multistep-wise or continuously and a filler dispersed therein and therewith formulated, as a thermosetting material, a blocked urethane prepolymer or blocked polyisocyanate compound and a latent curing agent therefor.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: October 26, 2004
    Assignees: Sunstar Giken Kabushiki Kaisha, Sunstar Suisse SA
    Inventors: Hitoshi Ohno, Kenta Nakayama, Takashi Minamihori
  • Patent number: 6806314
    Abstract: A coating composition comprising at least one hydroxyl functional polymer, a crosslinker capable of crosslinking with said hydroxyl functional polymer (a) to form a film, and a reactive diluent comprising 1,3-cyclohexane dimethanol and 1,4-cyclohexane dimethanol.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: October 19, 2004
    Assignee: PPG Industries Ohio, Inc.
    Inventors: David R. Fenn, David N. Walters
  • Patent number: 6794475
    Abstract: This invention relates to latex polymers and blends of such latex polymers used to produce articles having superior electrostatic dissipative properties. The polymers and blends comprise one or more (1) polymers, in latex, or dispersion form, of (a) at least one reactive macromer of at least one alkylene oxide having at least one functional group capable of free-radical transformation, (b) optionally, at least one ethylenically unsaturated monomer having at least one carboxylic acid group, and (c) optionally, one or more free radically polymerizable comonomers, and (2) one or more other polymer latexes or dispersions of such polymers as natural rubber, conjugated-diene-containing polymers, hydrogenated styrene-butadiene triblock copolymers, chlorosulfonated polyethylenes, ethylene copolymers, acrylic and/or methacrylic ester copolymers, vinyl chloride copolymers, vinylidene chloride copolymers, polyisobutylenes, polyurethanes, polyureas, and poly-urethane-urea)s.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: September 21, 2004
    Assignee: Noveon IP Holdings Corp.
    Inventors: Julie Vaughn Bialke, John B. Canady, Shui-Jen Raymond Hsu, Alexander V. Lubnin, William F. Masler, III, Beth A. Valentino
  • Patent number: 6794442
    Abstract: A refinish basecoat composition includes at least one pigment and an hydroxyl-functional acrylic polymer. The acrylic polymer has a number average molecular weight of at least about 6000 and is polymerized using at least about 45% by weight cycloaliphatic monomer, based on total monomer weight polymerized. A mixer system that can be used to prepare the refinish basecoat has a plurality of color components, each independently including at least one pigment dispersed by the hydroxyl-functional acrylic polymer, and a pigment-free component containing the hydroxyl-functional acrylic polymer.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: September 21, 2004
    Assignee: BASF Corporation
    Inventors: Emerson Keith Colyer, Douglas H. Larrow
  • Patent number: 6784248
    Abstract: A thermosetting composition that includes an ungelled copolymer composition and a crosslinking agent. The ungelled copolymer composition includes a functional group-containing copolymer that includes segments of alternating residues derived from a donor monomer composition comprising an acceptor monomer composition. The donor monomer composition includes one or both of isobutylene and diisobutylene, and the acceptor monomer composition includes acrylic monomers and monomers containing functional groups. The ungelled copolymer composition is substantially free of transition metals and Lewis acids, and the copolymer is substantially free of maleate-type monomer residues and fumarate-type monomer residues. The crosslinking agent has at least two functional groups that are reactive with the functional groups of the copolymer. The thermosetting composition may be in liquid, powder, or dispersed form and may be applied by traditional or electrocoating methods.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 31, 2004
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Simion Coca, Edward R. Coleridge, Gregory J. McCollum, James B. O'Dwyer, James E. Poole, Victoria A. Trettel
  • Patent number: 6753079
    Abstract: A process for preparing polyacrylic hotmelt pressure sensitive adhesives, which comprises the following steps: (a) compounding an acrylic hotmelt pressure sensitive adhesive containing at least one functional group X, having a solvent content of not more than 0.5% by weight and a molecular mass MW of from 100,000 to 2,000,000 g/mol, with at least one chemical substance R—Y containing at least one functional group Y, said at least one functional group X and said at least one functional group Y being chosen such that they are capable of undergoing a coupling reaction with one another, (b) treating the compound in a reactor with a mixing apparatus at a specific drive energy of not more than 0.09 kWh/kg and at a temperature of from 80 to 200° C., (c) transferring the self-adhesive composition thus treated to a downstream coating unit, and applying it from the melt to a backing material.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: June 22, 2004
    Assignee: Tesa AG
    Inventors: Marc Husemann, Stephan Zöllner
  • Patent number: 6750300
    Abstract: Hot melt coating composition, particularly suitable for low viscosity requiring application techniques, the composition having a Tg below 5° C., preferably below −20° C., and a viscosity below 2,000 mPa.s, preferably below 600 mPa.s, measured at 70° C. at a shear rate of 10 s−1. The composition includes at least one amorphous binder having a Tg below 5° C., preferably below −20° C., and/or at least one crystalline or semi-crystalline binder having a melting point or melting range below 150° C. The composition can be a one component system comprising an epoxy-functional resin, a polyamine having cyanamide groups, preferably dicyandiamide, and a blocked catalyst which is unblocked at an elevated temperature below the curing temperature. Alternatively, the composition may be one component of a two-component system based on isocyanate/polyol crosslinking.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: June 15, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Philip Mahieu, Faridoon Qazi, Didier Vanderveken, Kent Raabjerg Sörensen, Martinus Adrianus Anthonius Maria Koenraadt
  • Patent number: 6750274
    Abstract: A curable coating composition is disclosed comprising a resinous binder comprising (a) a reaction product of an epoxy-containing polymer with a compound containing phosphorus acid groups, the reaction product having reactive functional groups, and (b) a curing agent having functional groups reactive with the functional groups of (a). An electroconductive pigment is dispersed in (a) such that the weight ratio of the electroconductive pigment to (a) plus (b) is within the range of 0.5 to 9.0:1. When the curable coating composition is deposited and cured on a metal substrate, the cured coating is weldable.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: June 15, 2004
    Assignee: PPG Industries Ohio. Inc.
    Inventors: Ralph C. Gray, Ellor James Van Buskirk, Michael J. Pawlik, Richard M. Nugent, Jr., Dennis W. Jones, Kathleen M. Coldren, Steven D. Perrine, James E. Jones
  • Patent number: 6747088
    Abstract: UV- and heat-curable aqueous polyurethane dispersions comprise compounds attached via polyisocyanates and containing UV-polymerizable C═C double bonds, aliphatic diols incorporated by way of isocyanates and having a molecular weight of less than 500 g/mol, compounds attached via isocyanates and containing carboxylic acid or sulfonic acid groups and/or salts thereof, free hydroxyl groups, and compounds containing blocked isocyanate groups. They are suitable for coating heat-stable substrates such as metal substrates and may be used with advantage for automotive clearcoats.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: June 8, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhold Schwalm, Wolfgang Paulus, Uwe Meisenburg, Erich Beck, Bernd Bruchmann, Wolfgang Schrof, Frank Völlinger
  • Patent number: 6743834
    Abstract: Anionic electrodeposition coating compositions for forming matte films containing acrylic resin; alkoxysilyl group containing emulsified polymer produced by a multiple stage emulsion polymerization of unsaturated monomer in the presence of water and a emulsifier, wherein the unsaturated monomer containing alkoxysilyl group-containing unsaturated monomer is present in an amount of 5 to 40% by weight based on a total amount of all the unsaturated monomers used in the multiple stage emulsion polymerization; and crosslinking agent.
    Type: Grant
    Filed: October 10, 2001
    Date of Patent: June 1, 2004
    Assignee: Kansai Taint Co., Ltd.
    Inventors: Tetsuya Yokoyama, Kamikado Koji