Ppg Industries Ohio, Inc.

Tien-Chieh Chao

Masayuki Nakajima

Umesh C Desai

Shanti Swarup

Hongying Zhou

Kaliappa G Ragunathan

Xiangling Xu

Wei Wang

Anthony Michael Chasser

Charles M Kania

Noel Rawle Vanier

David R Fenn

William H Retsch, Jr

Cheng-Hung Hung

Edward Richard Millero, Jr

John M Dudik

Benjamin Kabagambe

Christopher Paul Kurtz

David B Asay

Ronald Kralic

Lawrence G Anderson

Marvis E Hartman

John R Schneider

Peter Lawrence Votruba-Drzal

Britt A Minch

Kenneth T Phelps

Klaus Heinicke

Kaliappa G Ragunthan

Merce Mas

Steven E Bowles

An adhesive composition comprising an epoxy compound and a compound comprising at least one aminimide functional group is disclosed. The compound comprising the at least one aminimide functional group is present in an amount from 2-8% by weight based on total weight of the adhesive composition and reacts with the epoxy compound upon activation by an external energy source. The adhesive composition also may comprise an amidine salt.

Structural adhesive compositions

Disclosed herein are compositions including (a) a first component comprising (1) an epoxy-adduct that is the reaction product of reactants comprising a first epoxy compound, a polyol, and an anhydride and/or a diacid and (2) a second epoxy compound; (b) rubber particles having a core/shell structure and/or graphenic carbon particles; and (c) a second component that chemically reacts with the first component at ambient or slightly thermal conditions. Also disclosed herein are compositions including (a) an epoxy-capped flexibilizer; (b) a heat-activated latent curing agent; and optionally (c) rubber particles having a core/shell structure and/or graphenic carbon particles; (d) an epoxy/CTBN adduct; and/or (e) an epoxy/dimer acid adduct. The heat-activated latent curing agent may include at least one reaction product of reactants including an epoxy compound and an amine and/or an alkaloid.

Disclosed herein are methods of preparing an aminimide. An epoxy compound is reacted with a hydrazine compound comprising a trivalent nitrogen, and an anhydride functional material or a cyclic compound containing a carbonyl group and at least one heteroatom alpha to the carbonyl group at a temperature greater than 20&#xb0; C. to form the aminimide. At least one of the epoxy compound and the anhydride functional material or the cyclic compound is polymeric.

Method for producing an aminimide

An adhesive composition is disclosed. The adhesive composition comprises an epoxy-containing component; rubber particles having a core-shell structure; and a curing component comprising a mixture of an amine-containing compound substantially free of hydroxyl functional groups and a polymeric phenol-containing compound, wherein the amine-containing compound comprises primary and/or secondary amino groups, and wherein the curing component chemically reacts with the epoxy-containing component upon activation from an external energy source. Also disclosed are methods of preparing the adhesive composition and for forming a bonded substrate with the adhesive composition. Further disclosed are curing components for an adhesive composition and methods of making the curing components.

A hydroxy functional alkyl polyurea is disclosed having the formula presented in claimwherein R comprises an isocyanurate moiety, biuret moiety, allophonate moiety, glycoluril moiety, benzoguanamine moiety, polyetheramine moiety, and/or polymeric moiety different from a polyetheramine and having an Mn of 500 or greater; wherein each Ris independently a hydrogen, alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one Ris a hydroxy functional alkyl having 2 or more carbons; and n is 2-6. Further disclosed is a coating comprising: a film-forming resin; and a hydroxy functional alkyl polyurea crosslinker having the formula presented in claimwherein Ris a substituted or unsubstituted Cto Calkyl group, an aromatic group, an isocyanurate moiety, biuret moiety, allophonate moiety, glycoluril moiety, benzoguanamine moiety, polyetheramine moiety, and/or polymeric moiety different from a polyetheramine having an Mn of 500 or greater, wherein each Ris independently a hydrogen, an alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one Ris a hydroxy functional alkyl having 2 or more carbons; and n is 2-6, and when Ris a substituted or unsubstituted Cto Calkyl group the film-forming resin comprises COOH functionality that reacts with the polyurea to form an ester linkage. Other hydroxy functional alkyl polyurea compounds, polymers made with the same, and compositions comprising the same are also disclosed as are substrates coated at least in part with or formed with any of the compositions described herein.

Hydroxy functional alkyl polyurea crosslinkers

Compositions comprising hydroxy functional alkyl polyureas are disclosed.

Hydroxy functional alkyl polyurea containing compositions

A coating composition having a measured solids content of at least 95% according to test method ASTM D2369 is disclosed. The composition includes a mixture of (a) a polymer prepared from one or more functional monomers having a (meth)acrylic monomer, an allyl monomer, or combinations thereof each having an ethylenically unsaturated double bond and an additional reactive functional group, and (b) a reactive diluent. At least some of the additional reactive functional group of the functional monomer remains unreacted during formation of the polymer. The reactive diluent has at least one ethylenically unsaturated functional group, no additional functionality, and a boiling point of greater than 100&#xb0; C. The ethylenically unsaturated functional group of the reactive diluent and the additional reactive functional group remaining within the polymer do not react. Also disclosed are coatings formed from the cured coating composition and methods for providing sound and vibration damping through a substrate.

Coating compositions, coatings and methods for sound and vibration damping and water resistance

Disclosed herein are adhesive compositions comprising (a) a first component; (b) a second component that chemically reacts with said first component; and (c) graphenic carbon particles having an oxygen content of no more than 2 atomic weight percent. Disclosed herein are associated methods for forming the adhesive compositions and applying the adhesive compositions to a substrate to form a bonded substrate.

Adhesive compositions containing graphenic carbon particles

Growing community of inventors

Mars, PA, United States of America

Tien-Chieh Chao