Thermosetting resinous binder compositions, their...

Details Thermosetting resinous binder compositions, their... Thermosetting resinous binder compositions, their...

C - Chemistry, Metallurgy

08

L

117/183, 402/187

C08L 67/00 (2006.01) C08G 59/14 (2006.01) C09D 5/44 (2006.01) C09D 163/00 (2006.01) C25D 13/06 (2006.01)

Patent

CA 1143498

Abstract Thermosetting binder composition for coating, comprising: (I) (1) A non-acidic resinous compound, saturated, molecular weight at least 900, alcoholic hydroxyl content at least 0.2 eq./100 g; (2) as cross-linking agent a non-acidic polyester of a polycarboxylic acid, having more than one 6-hydroxyl ester group per molecule, at least one of components (1) and (2) having an alcoholic hydroxyl functionality of more than 2, and (II) as curing catalyst a transesterification-promoting metal salt or complex which is soluble in liquid hydrocarbons. For aqueous compositions component (I) (1) is preferably a neutralized epoxy resin/amine adduct and component (II) should be insoluble in water; they can be used for cathodic electrodeposition.

340880

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