David Z. Becher - Allison Park PA Roger M. Christenson - Gibsonia PA Richard L. Coalson - Gibsonia PA Percy E. Pierce - Monroeville PA Karl F. Schimmel - Verona PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C08F 800 C08F22034
US Classification:
525327
Abstract:
Pigment dispersants for use in coating compositions wherein the dispersant is the polymerization product of (i) an alkyl methacrylate having from 3 to 8 carbon atoms in the alkyl group, (ii) a hardening monomer selected from the group consisting of a styrene, methyl methacrylate, ethyl methacrylate and mixtures thereof, (iii) an ethylenically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acids, itaconic acid, crotonic acid, maleic acid, fumaric acid and mixtures thereof or a monomer having a double bond alpha-beta to a carbonyl group and which provides carboxyl functionality when reacted with water, alcohol, amine or anhydride, (iv) a monomer having a double bond alpha-beta to a carbonyl group and at least one hydroxyl group or a monomer which provides such groups when further reacted with an acid or an epoxide, and (v) a compound providing an amine or amine salt functional moiety. The dispersants are useful for dispersing pigments in coating compositions containing a wide variety of film-forming resins.
David Z. Becher - Allison Park PA Roger M. Christenson - Gibsonia PA Richard L. Coalson - Gibsonia PA Percy E. Pierce - Monroeville PA Karl F. Schimmel - Verona PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C08F 800 C08F22034
US Classification:
525327
Abstract:
Pigment dispersants for use in coating compositions wherein the dispersant is the polymerization product of (i) an alkyl methacrylate having from 3 to 8 carbon atoms in the alkyl group, (ii) a hardening monomer selected from the group consisting of a styrene, methyl methacrylate, ethyl methacrylate and mixtures thereof, (iii) an ethylenically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic acid, fumaric acid and mixtures thereof or a monomer having a double bond alpha-beta to a carbonyl group and which provides carboxyl functionality when reacted with water, alcohol, amine or anhydride, (iv) a monomer having a double bond alpha-beta to a carbonyl group and at least one hydroxyl group or a monomer which provides such groups when further reacted with an acid or an epoxide, and (v) a compound providing an amine or amine salt functional moiety. The dispersants are useful for dispersing pigments in coating compositions containing a wide variety of film-forming resins.
Novel Pigment Paste For Cationic Electrodeposition
Karl F. Schimmel - Verona PA Percy E. Pierce - Monroeville PA James E. Jones - Lower Burrell PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C08L 6302
US Classification:
260 37EP
Abstract:
A pigment paste suitable for use in cationic electrodeposition is disclosed. The paste contains pigment dispersed in a resinous vehicle which is the reaction product of an epoxy-containing organic material and an organic tertiary amine acid salt containing blocked isocyanate groups capable of unblocking at elevated temperature.
David Z. Becher - Allison Park PA Roger M. Christenson - Gibsonia PA Richard L. Coalson - Gibsonia PA Percy E. Pierce - Monroeville PA Karl F. Schimmel - Verona PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C08F 800 C08F22034
US Classification:
525327
Abstract:
Pigment dispersants for use in coating compositions wherein the dispersant is the polymerization product of (i) an alkyl methacrylate having from 3 to 8 carbon atoms in the alkyl group, (ii) a hardening monomer selected from the group consisting of a styrene, methyl methacrylate, ethyl methacrylate and mixtures thereof, (iii) an ethylenically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic acid, fumaric acid and mixtures thereof or a monomer having a double bond alpha-beta to a carbonyl group and which provides carboxyl functionality when reacted with water, alcohol, amine or anhydride, (iv) a monomer having a double bond alpha-beta to a carbonyl group and at least one hydroxyl group or a monomer which provides such groups when further reacted with an acid or an epoxide, and (v) a compound providing an amine or amine salt functional moiety. The dispersants are useful for dispersing pigments in coating compositions containing a wide variety of film-forming resins.
Karl F. Schimmel - Verona PA Percy E. Pierce - Monroeville PA James E. Jones - Lower Burrell PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C25D 1310
US Classification:
204181C
Abstract:
A pigment paste suitable for use in cationic electrodeposition is disclosed. The paste contains pigment dispersed in a resinous vehicle which is the reaction product of an epoxy-contaning organic material and an organic tertiary amine acid salt containing blocked isocyanate groups capable of unblocking at elevated temperature.
Color Matching And Characterization Of Surface Coatings
Robert T. Marcus - Allison Park PA Percy E. Pierce - Monroeville PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
G01D 350 G01N 2127 G06F 1546
US Classification:
356402
Abstract:
A method of characterization of a coating on a surface such as a paint coating having metallic flakes distributed within such coating. Single and multi-angle models are utilized. The coating is characterized by measurements having components of light reflected by the metal flakes and attenuated on its exit route from the coating, of light scattered in the entering path of the beam as it travels through the coating, of light scattered by the reflected beam on its exit from the coating, of light scattered in the entering path then reflected by the metallic flakes and attenuated in the coating on exiting, and of light scattering in the exit path, both to the metallic flake and reflected by the flake and attenuated on its exit from the coating. Methods of color matching a coating having a metallic flake distribution within the coating are included using reflectance factors and tristimulus values and minimizing the sum of the squares of the deviation between samples.
Percy E. Pierce - Monroeville PA Karl F. Schimmel - Verona PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C08L 9300
US Classification:
260 22T
Abstract:
Polymer containing a plurality of organic sulfonate-containing groups is capable of being dissolved or dispersed in a liquid medium. The polymer is useful as a pigment dispersant and as film-forming polymer in coating compositions.
David Z. Becher - Allison Park PA Roger M. Christenson - Gibsonia PA Richard L. Coalson - Gibsonia PA Percy E. Pierce - Monroeville PA Karl F. Schimmel - Verona PA
Assignee:
PPG Industries, Inc. - Pittsburgh PA
International Classification:
C08K 501 C08K 502 C08K 503 C08L 100
US Classification:
523400
Abstract:
Coating compositions contain pigment dispersants wherein the dispersant is the polymerization product of (i) an alkyl methacrylate having from 3 to 8 carbon atoms in the alkyl group, (ii) a hardening monomer selected from the group consisting of a styrene, methyl methacrylate, ethyl methacrylate and mixtures thereof, (iii) an ethylenically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic acid, fumaric acid and mixtures thereof or a monomer having a double bond alpha-beta to a carbonyl group and which provides carboxyl functionality when reacted with water, alcohol, amine or anhydride, (iv) a monomer having a double bond alpha-beta to a carbonyl group and at least one hydroxyl group or a monomer which provides such groups when further reacted with an acid or an epoxide, and (v) a compound providing an amine or amine salt functional moiety. The dispersants are useful for dispersing pigments in coating compositions containing a wide variety of film-forming resins.
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