Resin composition for cationic electrodeposition coating

Details Resin composition for cationic electrodeposition coating Resin composition for cationic electrodeposition coating

1997-05-22

1999-06-01

Gorr, Rachel

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 60, 525453, 525528, 524904, C08G 1810

Patent

active

059089113

ABSTRACT:
Disclosed herein is a resin composition for cationic electrodeposition coating containing (A) an epoxy resin (a base resin) having cationic groups and (B) a blocked polyisocyanate (a curing agent), characterized in that, a blocked polyisocyanate (B) in which a part of the isocyanate groups is polymerized with a polyol and which is blocked by (1) a blocking agent represented by a formula R--(OC.sub.2 H.sub.3 X).sub.n --OH (wherein R is an alkyl having 1-6 carbon atom(s); X is H or methyl; and n is 1-6) and having a molecular weight of not less than 150 and also by (2) another blocking agent having a deblocking temperature of not higher than about 150.degree. C. is used.

REFERENCES:
patent: 4755418 (1988-07-01), DeBroy et al.
patent: 5070149 (1991-12-01), DeBroy et al.
patent: 5461091 (1995-10-01), Hoffmann et al.
patent: 5594049 (1997-01-01), Yamada

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