C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 133/08 (2006.01) C08J 5/18 (2006.01) C09D 5/02 (2006.01) C09D 201/06 (2006.01)
Patent
CA 2535993
The present invention provides an aqueous intermediate coating composition comprising (A) an acrylic emulsion resin having a hydroxy value of 5 to 80 mgKOH/g and an acid value of 1 to 15 mgKOH/g, obtainable by emulsion polymerization of monomer mixture (a) comprising ethyl acrylate, a hydroxy-containing radically polymerizable unsaturated monomer and a carboxy- containing radically polymerizable unsaturated monomer, the ethyl acrylate content of the monomer mixture being 60 wt.% or more; (B) a carboxy-containing resin having a hydroxy value of more than 80 mgKOH/g but not more than 200 mgKOH/g; (C) a curing agent; and (D) a coloring pigment, and having a solids content of 60 wt.% or more. The invention also provides a method for forming a multilayer coating film using said aqueous intermediate coating composition.
Adachi Takato
Furusawa Satoru
Katsuta Hideaki
Sato Shingo
Kansai Paint Co. Ltd.
Marks & Clerk
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