Aminoplast curable coating compositions containing...

C - Chemistry – Metallurgy – 08 – K

Patent

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400/5028, 117/54

C08K 5/42 (2006.01)

Patent

CA 1201239

Abstract of the Disclosure A high solids, organic solvent based, sprayable coating composi- tion which is capable of acid catalyzed crosslinking is composed of an active hydrogen-containing resin, a curing agent present externally and/or internally as a part of the active hydrogen-containing resin; and a cataly- tic amount of an ester of a sulfonic acid. The sulfonic acid ester is represented by the following structural formulas: Image Image (I) (II) wherein: Z is a radical selected from the group consisting of amino and an organic radical, said organic radical being connected to the sulfur atom by a carbon atom; W is C1-C18 alkylene, C2-C18 alkenylene; V is C1-C18 alkylene, C1-C18 hydroxyl substituted alkyl- ene, C2-C18 alkenylene, C2-C18 hydroxyl substituted alkenylene; and R1, R2, R3, R4, R5 are independently hydrogen or an organic radical.

437816

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