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US 2004/0106742 A1Published application
Coating composition
OwnerTakamasa Harada, Katsuyuki Sakamoto +1inventors
InventorsTakamasa Harada, Katsuyuki Sakamoto, Takanori Kudo
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Abstract
A coating composition comprising at least one polymer having carboxyl group, a polyfunctional epoxide-group-containing compound having at least one benzene or 5-, 6-, or 7-membered heterocyclic ring containing at least one heteroatom selected from nitrogen, oxygen or sulfur or cyclohexyl group or combinations thereof, and two or more epoxy groups, a reaction accelerator, and a solvent. This coating composition is excellent in storage stability, and can provide an excellent protective film.
Claims19
A coating composition comprising:
- (A) at least one polymer containing carboxyl group, having a weight-average molecular weight, calculated in terms of styrene, of 5,000 to 200,000, an acid value KOH of 10 to 200 mg/g, and a glass transition temperature of 50 to 250° C.,
- (B) a polyfunctional epoxide-group-containing compound having at least one benzene ring or 5-, 6-, or 7-membered heterocycle ring containing at least one heteroatom selected from nitrogen, oxygen or sulfur or cyclohexyl group or combinations thereof, and two or more epoxy groups, serving as a crosslinking agent,
- (C) a reaction accelerator, and
- (D) an organic solvent.
1 more element
Dependencies are inferred from the claim text.