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US 10,329,437 B2Granted
Electrodepositable coating composition having improved crater control
AssigneePPG Industries Ohio, Inc.
InventorsAlan J. Kaylo, Venkatachalam Eswarakrishnan, Jo-Ann E. Bice, Craig A. Wilson, Chester J. Szymanski, Alycia Lewand, Joseph R. Swanger
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Abstract
The present invention is directed towards an electrodepositable coating composition comprising a polybutylene oxide polymer, an ionic film-forming polymer having functional groups, and a curing agent that is reactive with functional groups on the film-forming polymer. Also disclosed are methods of making the electrodepositable coating composition. Also disclosed are substrates treated with the electrodepositable coating composition.
Claims23
An electrodepositable coating composition comprising:
- a polybutylene oxide polymer comprising a copolymer of butylene oxide and propylene oxide;
- an ionic film-forming polymer having functional groups;
- and
- a curing agent that is reactive with functional groups on the film-forming polymer.
1 more element
Dependencies are inferred from the claim text.