Patents

Kansai patents aqueous primer composition

July 24, 2012

WO 2012039217
Aqueous primer composition, method for forming multi layer coating and coated article (provides an aqueous primer composition capable of forming a coating which has excellent workability and corrosion resistance in the worked portion. The aqueous primer composition comprises a carbonyl group-containing modified epoxy resin (A), a crosslinking agent (B), and a rust preventive pigment (C), and is characterized in that the carbonyl group-containing modified epoxy resin (A) is produced by reacting an amine compound (a1) having a carbonyl group and at least one active hydrogen bonded to a nitrogen atom per molecule and an epoxy resin (a2) having two or more epoxy groups per molecule).
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