C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
117/113, 402/134
C08L 67/02 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/64 (2006.01) C08G 18/80 (2006.01) C08L 63/00 (2006.01) C09D 163/00 (2006.01) C09D 167/02 (2006.01)
Patent
CA 1299316
One-can Heat-curable Resin Compositions and Precoated Metal Abstract of Disclosure A one-can heat-curable resin composition which comprises: (1) a polyester polyol having at least three functional groups; (2) an adduct of an epoxy resin having at least one secondary hydroxyl group with a lactone compound or an alkylene oxide; and (3) a blocked organic polyisocyanate or a product of blocking of a prepolymer having terminal NCO groups obtained by reacting an organic polyisocyanate and an active hydrogen-containing compound, gives a tough and durable coat film showing no yellowing or thermal degradation due to heating at all. Furthermore, said film has a high hardness and is excellent in processability and staining resistance, particularly in mustard staining resistance. In particular, the composition, when used in the production of precoated metal, gives good coated steel sheets, which can be advantageously used in manufacturing household electric appliances and so on.
571841
Kanai Hiroshi
Matsuura Yoshikatsu
Miyabayashi Shigeaki
Oka Joji
Fetherstonhaugh & Co.
Nippon Steel Corporation
Takeda Chemical Industries Ltd.
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