Ppg Industries Ohio, Inc.

Ppg Industries, Inc.

Thomas C Moriarity

Gregory J McCollum

Steven R Zawacky

Venkatachalam Eswarakrishnan

Richard F Karabin

Geoffrey R Webster

Alan J Kaylo

Charles R Hickenboth

Donald W Boyd

Matthew S Scott

William J Geiger

David R Fenn

Alan E Wang

Kevin C Olson

Ellor James Van Buskirk

Raphael O Kollah

Joseph Theodore Valko

Michael G Sandala

Chester J Szymanski

V Eswarakrishnan

Philippe Faucher

Kevin J Dufford

Joseph Lucas

Judith A Orzechowski

Craig A Wilson

Robert R Zwack

Britt A Minch

Victor G Corrigan

Keith S Ritter

Gregory J Mccollum

The present invention is directed towards an electrocoating composition comprising a cyclic guanidine.

Electrodepositable coating composition containing a cyclic guanidine

The present invention is directed to a method for producing bicyclic guanidines comprising heating a reaction mixture comprising cyclic urea and a dehydrating agent to a temperature &#x2267;90&#xb0; C.

Method for producing bicyclic guanidines by use of a cyclic urea and a dehydrating agent

The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a cyanamide, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine.

Method of making a cyclic guanidine from dicyandiamide and coating compositions containing same

The present invention is directed to a method for preparing a cyclic guanidine comprising reacting (i) a guanidinium, (ii) a polyamine, and (iii) a weak acid. The present invention is also directed to a coating composition comprising the cyclic guanidine.

Method of making a cyclic guanidine from a guanidinium salt and a weak acid and coating compositions containing the same

The present invention provides a film-forming composition. The composition includes a reaction product of:

Reaction product of polyamine, acyclic carbonate and cyclic carbonate

Reaction product of polyamine and acyclic carbonate

Provided is a process for forming metallized vias in a substrate including the steps of (I) applying to an electroconductive substrate an electrodepositable coating composition onto all exposed surfaces of the substrate to form a conformal dielectric coating; (II) ablating a surface of the dielectric coating to expose a section of the substrate; (III) applying a layer of metal to all surfaces to form metallized vias in the substrate. Also disclosed are processes for fabricating a circuit assembly which include the application of an electrodoepositable coating composition onto exposed surfaces of the substrate/core to form a conformal dielectric coating thereon. The electrodepositable coating composition includes a resinous phase dispersed in an aqueous phase, where the resinous phase has a covalently bonded halogen content of at least 1 percent by weight. The dielectric coating derived therefrom has a low dielectric constant and low dielectric loss factor.

Process for fabricating circuit assemblies using electrodepositable dielectric coating compositions

The present invention relates to an electrodepositable coating composition having a resinous phase dispersed in an aqueous medium. The resinous phase includes (a) an ungelled, active hydrogen-containing, ionic salt group-containing resin; and (b) a curing agent reactive with the active hydrogens of the resin (a). The resinous phase has a covalently bonded halogen content based on total weight of resin solids present in the resinous phase such that when the composition is electrodeposited and cured, the cured film passes flame resistance testing in accordance with IPC-TM-650, and has a dielectric constant of less than or equal to 3.50. The invention also is directed to a method for forming a dielectric coating on an electroconductive substrate using the electrodepositable coating composition, as well as to a substrate coated with the electrodepositable composition.

Electrodepositable dielectric coating compositions and methods related thereto

The present invention is directed to electrodepositable coating compositions comprising an at least partially gelled resin or reaction product formed from reacting (i) an epoxy-functional polyester with (ii) an amine. The present invention also includes a method for electrocoating a conductive substrate with the described electrodepositable coating compositions. Additionally, the present invention is directed to a conductive substrate coated according to the described method.

Electrodepositable coating from gelled epoxy-polyester and amine

The present invention is directed to electrodepositable coating compositions providing improved film flexibility and humidity resistance. The compositions contain a substantially ungelled resin or reaction product formed from reacting (i) an epoxy functional polyester with (ii) an amine. The present invention also includes a method for electrocoating a conductive substrate with the described electrodepositable coating compositions. Additionally, the present invention is directed to a conductive substrate coated according to the described method.

Electrodepositable coating compositions including ungelled reaction products of epoxy functional polyesters and amines coated substrates and methods of electrocoating using the same

An electrodepositable composition is provided comprising: (A) a non-gelled cationic resin which is derived from a polyepoxide and which contains in the resin molecule cationic salt groups and active hydrogen groups selected from aliphatic hydroxyl and primary and secondary amino; and present as a separate component (B) a fully capped polyisocyanate curing agent containing substantially no free isocyanate groups. The electrodepositable composition contains from about 0.02 to 1.0 milliequivalents phenolic hydroxyl groups per gram of resin solids, and from about 0.1 to 2.0 milliequivalents beta-hydroxy ester groups per gram of resin solids. The composition provides excellent corrosion resistance when electrodeposited over steel substrates, and does not require lead in the formulation nor the use of a conventional chrome rinse for the steel substrate pretreatment before electrodeposition.

Cationic resin and capped polyisocyanate curing agent suitable for use

An electrodepositable composition is provided comprising:

A high throw power electrodeposition system with improved rupture voltage is disclosed. The electrodepositable coating includes an active hydrogen-containing ionic resin and a gamma hydroxy urethane curing agent, such as a curing agent having the structural feature: ##STR1## The gamma hydroxy urethane curing agent can be prepared by reacting a polyisocyanate with a 1,3-polyol, and in particular with 2,2,4-trimethylpentane-1,3-diol. The composition can also include a curing agent having an alkyl urethane structural feature which can be the reaction product of a polyisocyanate and a blocking agent which is a fatty alcohol. A method for coating a conductive substrate with the above-described composition is also disclosed. The method includes passing an electric current between the conductive substrate serving as a first anode and a second anode to deposit the composition and the conductive substrate.

High throw power electrodeposition system

There is herein provided a curable composition comprising an active hydrogen-containing material and a curing agent having a urethane-containing moiety of the structure: ##STR1## wherein R is hydrogen, an alkyl, alkenyl or aryl group, wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR2## of which R.sub.1 and R.sub.2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group. The curing agent may be present as a separate component or an integral component with the active hydrogen-containing material.

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Allison Park, PA, United States of America

Thomas C Moriarity