C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/4215, 400/51
C09D 5/03 (2006.01) C08G 59/18 (2006.01) C08G 59/38 (2006.01) C08G 59/50 (2006.01) C09D 163/00 (2006.01) C09D 163/02 (2006.01)
Patent
CA 1332017
ABSTRACT OF THE DISCLOSURE An epoxy resin powder coating composition is disclosed, which comprises 100 parts by weight of bisphenol A type mixed resin having a number average molecular weight from 1,700 to 4,500 comprising a bisphenol A type epoxy resin (A) having a number average molecular weight from 2,500 to 8,000 and a bisphenol A type epoxy resin (B) having a number average molecular weight from 300 to 1,000, 5 to 20 parts by weight of polyvinyl butyral resin or polyvinyl formal resin, a hardener, and a filler, wherein said hardener is a mixture of an imidazole base high hardener and an imidazole base low hardener.
573857
Kitagawa Katugi
Shinozuka Akira
Riches Mckenzie & Herbert Llp
Somar Corporation
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