Thermosetting coating composition and coating film forming...

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 133/26 (2006.01) C09D 133/08 (2006.01) C09D 133/10 (2006.01) C09D 163/00 (2006.01) C09D 201/02 (2006.01)

Patent

CA 2378938

The present invention provides a thermosetting coating composition having a storage stability sufficient to be formed into a one-pack coming despite a small content of organic solvent contained therein and having a sufficient curability, and a method of forming a coating film by which the content of the organic solvent present in a coating at the time of application can be reduced, A thermosetting coating composition comprising a component (a) having a number average molecular weight of 300 to 3000 and two or more active methylene group and/or active methine groups per molecule, a component (b) having a number average molecular weight of 200 to 3000 and two or more .alpha.,.beta.-unsaturated carboxylic ester groups per molecule, a component (c) having an opium salt, a component (d) having an epoxy group and/or 5- membered ring carbonate group and a component (e) being an organic acid, a phenol or a Lewis acid, wherein a solid content of said coating composition at a viscosity of 100 mPa~s is 50% by weight or more at 20°C.

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