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US 8,133,590 B2Granted
Dual cure coating compositions, multi-component composite coatings, and related coated substrates
AssigneePPG Industries Ohio, Inc.
InventorsRoy E. Dean, Charles M. Kania, Cynthia Kutchko, Brian K. Rearick, William H. Retsch, Jr., John E. Schwendeman, Shengkui Hu
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Abstract
Disclosed herein are dual cure coating compositions that include a melamine group-containing polyethylenically unsaturated compound and a polysiloxane. Also disclosed are related multi-component composite coatings, coated substrates, and methods for coating a substrate.
Claims15
A dual cure coating composition comprising:
- (a) a melamine group-containing polyethylenically unsaturated compound;
- and
- (b) a polysiloxane having the general structure:
- wherein n ranges from 0 to 100 and each R, which may be identical or different, represents a group selected from H, OH, a monovalent hydrocarbon group, a monovalent siloxane group, a hydroxy-functional alkyl ester (meth)acrylate, and mixtures of any of the foregoing, with the proviso that at least one of the groups represented by R is a hydroxy-functional alkyl ester (meth)acrylate.
1 more element
Dependencies are inferred from the claim text.