Waterborne coating composition

Waterborne coating composition

WATERBOIUtE coanllG COMPOSIIIOIlII U.S. Patent 6,008,273. Dec. 28, 1999 U. Leibelt and P. Boehler, assignors to The Dexter Corp., Windsor Locks, Conn...

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WATERBOIUtE coanllG COMPOSIIIOIlII

U.S. Patent 6,008,273. Dec. 28, 1999 U. Leibelt and P. Boehler, assignors to The Dexter Corp., Windsor Locks, Conn.

A waterborne coating composition for application to a metal can substrate comprising a blend of 50 to 90%, by weight, of an epoxy resin; 10 to 50% of a water-dispersible acrylic resin; a fugitive base in an amount sufficient to neutralize 20 to 200% of a stoichiometric amount of the carboxylic acid groups; a sufficient amount of a carrier comprising water and volatile organic compounds, such that the waterborne coating composition contains 10 to 60% of the composition, and such that the

composition contains 450 grams or less of volatile organic compounds per kilogram of nonvolatile material; and 5 to 30% of a solid filler.

RHEOLOGY COInIIOL AGElII' FOR 111&11 SOLIDS coanllGS

U.S. Patent 6,008,278. Dec. 28, 1999 K.G. Banerjee et al., assignors to The Lubrizol Corp., Wickliffe, Ohio

A coating composition comprising a film forming resin and a rheology control comprising the reaction product of at least one carboxylic acid acylating agent and at least one nitrogen-containing compound consisting of a hydroxyamine or a hydroxyiamine.

POWDER PAINT COMPOSmON

U.S. Patent 6,008,301. Dec. 28, 1999 T. Miyawaki et al., assignors to Mitsui Chemicals Inc., Japan

A thermosetting powder paint composition for topcoating comprising a copolymer component containing 20 to 60 parts by weight of an ethylenically unsaturated monomer having at least one glycidyl group and at least one unsaturated double bond in the molecule, 1 to 30 parts by weight of styrene, and 10 to 9 parts by weight of an ethylenically unsaturated monomer having neither carboxyl group nor tert-butyl ester group in the molecule; and a curing agent component, which is a linear acid anhy-

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