Ppg Industries Ohio, Inc.

Other

Prc De Soto International, Inc.

Xiangling Xu

Shanti Swarup

Noel Rawle Vanier

Anthony Michael Chasser

Hongying Zhou

Richard J Sadvary

Sean Purdy

Matthew S Luchansky

Yu Wang

Eldon L Decker

Tien-Chieh Chao

Wei Wang

Daniel F Moyano

Maria Wang

John T Donnelly

Kurt Gordon Olson

William H Retsch, Jr

Edward Richard Millero, Jr

Shan Cheng

John M Dudik

Benjamin Kabagambe

Christopher Paul Kurtz

Kristen Kruszewski

Justin Bohn

Mark Edward Endlish

Steven E Surma

Ronald Kralic

Anil Kumar

Gregory J McCollum

Stuart Damon Hellring

Dennis A Simpson

David R Fenn

John R Schneider

Dennis L Faler

Cheng-Hung Hung

Calum Hugh Munro

Roxalana Lee Martin

Michael J Pawlik

Brian Edward Woodworth

Songwei Lu

Mark Paul Bowman

Irina G Schwendeman

John E Schwendeman

W David Polk

Tsukasa Mizuhara

David B Asay

Chad A Landis

Mark A Tucker

Jennifer Tamaki Jordan

Gereme Thomas Hensel

Stephen Brian Istivan

Renlong Gao

Jessica M Williamson

David C Martin

Jonathan G Weis

Beverly Bendiksen

Robert Cavlovich

Pedro Velez-Herrera

Adam Choros

Caitlin Ehmann

Yaqi Wo

Diane L Wargo

Roxalana Martin

Caitlyn M Ehmann

Kristen M Kruszewski

Gregory J Mccollum

A crosslinker composition is prepared from a reaction mixture including: (a) a prepolymer including a reaction product of a prepolymer mixture including: (i) a polyfunctional isocyanate; and (ii) a first compound comprising two or more active hydrogen groups, where the polyfunctional isocyanate and/or the first compound comprising two or more active hydrogen groups includes a greater than two functional isocyanate and/or active hydrogen groups, respectively; and (b) a polyfunctional hydrazide. The crosslinker composition is not self-crosslinkable. The crosslinker composition has an acid value of at least 15 based on total resin solids of the crosslinker composition.

Polyfunctional hydrazide crosslinker

A coating composition includes: an aqueous dispersion of self-crosslinkable core-shell particles, where the corm-shell particles include (1) a polymeric core at least partially encapsulated by (2) a polymeric shell having urethane linkages, keto and/or aldo functional groups, and hydrazide functional groups, where the polymeric core is covalently bonded to at least a portion of the polymeric shell, and a hydrophobic additive including a wax and/or a silicon-containing compound, where the hydrophobic additive is non-reactive with the polymeric core and the polymeric shell. A substrate coated with a coating formed from the coating composition and a method for improving stain resistance of a substrate are also disclosed.

Coating composition imparting improved stain resistance

A coating composition includes: (a) a carboxylic acid functional polyol polymer; (b) a melamine-formaldehyde crosslinker reactive with the carboxylic acid functional polyol polymer; (c) an acid catalyst; and (d) a non-aqueous liquid medium. The carboxylic acid functional polyol polymer has an acid value within a range of from 30 to 120 mg KOH/g and a hydroxyl value within a range of from 60 to 150 mg KOH/g. The melamine-formaldehyde crosslinker includes imino and methylol groups that together make up 35 mole % or less of the total functionality of the melamine-formaldehyde crosslinker, and butyl groups and isobutyl groups that together make up 5 mole % or greater of the total functionality of the melamine-formaldehyde crosslinker. The coating composition cures at a temperature of 100° C. or less.

Solvent-borne coating compositions, coatings formed therefrom, and methods of forming such coatings

A coating composition includes an aqueous carrier medium, at least a first polymer, and polymeric core-shell particles dispersed in the aqueous carrier medium. The first polymer includes: (i) a barrier segment having aromatic groups and urethane linkages, urea linkages, or a combination thereof; and (ii) an elastomeric segment having a glass transition temperature of less than 0&#xb0; C. The barrier segment can make up at least 30% of the first polymer, based on the total solids weight of the first polymer.

Coating compositions, elastic barrier coatings formed therefrom, and methods of applying such coatings

The present invention is directed to coated articles demonstrating a transmission of electromagnetic radiation having a frequency of 22 to 81 GHz in the range of 70% to 100%. The articles comprise substrates coated with curable film-forming compositions comprising a first film-forming polymer prepared from at least one hydrophobic monomer, a second film-forming polymer prepared from at least one hydrophobic monomer, and a curing agent. Upon application of the curable film-forming composition to the substrate to form a coating layer, the first film-forming polymer is distributed throughout the coating layer, and the concentration of the second film-forming polymer is greater at the surface of the coating layer than the concentration of the second film-forming polymer within the bulk of the coating layer. The present invention is also drawn to methods of mitigating contaminant build-up on a substrate using the curable film-forming compositions described above.

Coated articles demonstrating electromagnetic radiation transparency and method of mitigating contaminant build-up on a substrate

A coating composition including: an aqueous dispersion of self-crosslinkable core-shell particles, where the core-shell particles include (1) a polymeric core at least partially encapsulated by (2) a polymeric shell having urethane linkages, keto and/or aldo functional groups, and hydrazide functional groups, where the polymeric core is covalently bonded to at least a portion of the polymeric shell, and an acrylic polymer, where the acrylic polymer is non-reactive with the polymeric core and the polymeric shell. A substrate coated with a coating formed from the coating composition and a method of improving stain resistance of a substrate are also disclosed.

Coating composition for extreme washable coatings comprising self-crosslinkable core-shell particles

A method for applying a multilayer coating comprising a basecoat and a clearcoat is disclosed. The basecoat is a curable aqueous composition comprising (1) polymeric particles containing carboxylic acid functionality and prepared from ethylenically unsaturated compounds including a multi-ethylenically unsaturated monomer, and (2) a polycarbodiimide. Also provided is a multilayer coated substrate.

Methods for coating substrates and multilayer coated substrates

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

A multi-layer coating includes: a first basecoat layer applied over at least a portion of a substrate; and a second basecoat layer applied over the first basecoat layer. The first basecoat layer and second basecoat layer are formed from compositions having a polyhydrazide and core-shell particles dispersed in aqueous mediums. The core-shell particles of the first basecoat composition includes (1) a polymeric core at least partially encapsulated by (2) a polymeric shell comprising urea linkages, and keto and/or aldo functional groups. The polymeric core of the core-shell particles of the first basecoat composition and the second basecoat composition are each independently covalently bonded to at least a portion of the polymeric shell of the core-shell particles.

Multi-layer coatings and methods of preparing the same

A coating composition includes: an aqueous dispersion of self-crosslinkable core-shell particles, where the core-shell particles include (1) a polymeric core at least partially encapsulated by (2) a polymeric shell having urethane linkages, keto and/or aldo functional groups, and hydrazide functional groups, where the polymeric core is covalently bonded to at least a portion of the polymeric shell, and a hydrophobic additive including a wax and/or a silicon-containing compound, where the hydrophobic additive is non-reactive with the polymeric core and the polymeric shell. A substrate coated with a coating formed from the coating composition and a method for improving stain resistance of a substrate are also disclosed.

Coating composition comprising self-crosslinkable core-shell particles and imparting improved stain resistance

Coating composition exhibiting specific gloss properties for extreme washable coatings

The invention includes a radiation diffracting member having a crystalline structure comprising an ordered periodic array of hollow particles. The radiation diffracting member also includes a matrix material in which the array of particles is received.

Hollow particle crystalline colloidal arrays

The present invention is directed to curable film-forming compositions comprising a first film-forming polymer prepared from at least one hydrophobic monomer, a second film-forming polymer prepared from at least one hydrophobic monomer, and a curing agent. Upon application of the curable film-forming composition to a substrate to form a coating layer, the first film-forming polymer is distributed throughout the coating layer, and the concentration of the second film-forming polymer is greater at the surface of the coating layer than the concentration of the second film-forming polymer within the bulk of the coating layer. The invention is additionally drawn to substrates coated with the curable film-forming composition. The present invention is also drawn to methods of mitigating dirt build-up on a substrate, comprising applying to at least a portion of the substrate the curable film-forming composition described above and at least partially curing the curable film-forming composition.

Curable film-forming compositions prepared from multiple hydrophobic polymers and method of mitigating dirt build-up on a substrate

Curable film-forming sol-gel compositions that are essentially free of inorganic oxide particles are provided. The compositions contain: a tetraalkoxysilane; a solvent component; and non-oxide particles, and further contain either i) a mineral acid or ii) an epoxy functional trialkoxysilane and a metal-containing catalyst. Coated articles demonstrating antiglare properties are also provided, comprising: (a) a substrate having at least one surface; and (b) a cured film-forming composition applied thereon, formed from a curable sol-gel composition comprising a silane and non-oxide particles. A method of forming an antiglare coating on a substrate is also provided. The method comprises: (a) applying a curable film-forming sol-gel composition on at least one surface of the substrate to form a coated substrate; and (b) subjecting the coated substrate to thermal conditions for a time sufficient to effect cure of the sol-gel composition and form a coated substrate with a sol-gel network layer having anti-glare properties.

Curable film-forming sol-gel compositions and anti-glare coated articles formed from them

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Pittsburgh, PA, United States of America

Xiangling Xu