C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/131, 400/401
C08F 8/42 (2006.01) C08G 18/24 (2006.01) C08G 18/62 (2006.01) C08G 18/63 (2006.01)
Patent
CA 1111596
Abstract of the Disclosure The present invention relates to a thermosetting acrylic resin powder coating composition and comprises specified four components (A) to (D), said four components (A) to (D) being: (A) a mixture of a glycidyl-containing acrylic resin and a hydroxyl-containing acrylic resin, or a glycidyl- and hydroxyl-containing acrylic resin, (B) a blocked isocyanate compound having a melting point of 60 to 140°C and solid at room temperature, (C) an aliphatic dibasic acid or anhydride thereof, and (D) at least one tin compound represented by the formula SnO2, R2SnO, R2SnX2, R2Sn(OCOR')2' Image , R2SnX, R3Sn-O-SnR3, Image or R4Sn wherein R is phenyl or alkyl having 1 to 18 carbon atoms, X is halogen, alkoxyl having 1 to 18 carbon atoms or hydroxyl, R' is alkyl or alkenyl having 1 to 18 carbon atoms and n is an integer of 1 to 5. The coating composition comprising the specified four components (A) to (D) can give coatings which have outstanding surface smoothness even when less than 100 µ in thickness.
324959
Kansai Paint Company Limited
Marks & Clerk
LandOfFree
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