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US 5,159,017 AGranted
Crosslinked polymer microparticles and coating composition containing the same
AssigneeNippon Paint Co., Ltd.
InventorsTadafumi Miyazono, Akio Kashihara, Shinichi Ishikura
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Abstract
Novel crosslinked polymer microparticles having a mean grain diameter of 0.01 to 10.mu., whose polymer carries urea, urethane or amide groups. The invention also provides a coating composition containing said crosslinked polymer microparticles, which is excellent in application characteristics and storage stability and is capable of providing a coating with excellent film properties.
Claims4
An organic solvent coating composition consisting essentially of
- (A) a film-forming polymer
- (B) a volatile organic liquid diluent carried in the form of a solution or dispersion with said film-forming polymer, and
- (C) crosslinked polymer microparticles which are insoluble in the combination of said film-forming polymer and diluent and stably dispersed therein, which crosslinked polymer microparticles have a mean grain diameter of 0.01 to 10.mu., whose polymer carried urea groups,
- wherein the solid weight ratio of said (A):
- said (C) is 50 to 99.5:50 to 0.5.
2 more elements
Dependencies are inferred from the claim text.