Defunctionalized epoxy resins useful in coatings

Details Defunctionalized epoxy resins useful in coatings Defunctionalized epoxy resins useful in coatings

1994-03-29

1995-06-27

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 320, C08L 6302

Patent

active

054280842

ABSTRACT:
Amine defunctionalized epoxy resin for coating compositions particularly suitable for application onto metal surfaces such as can stock was found to have improved blush and stain resistance when employing reaction ratios near 1:1 equivalent of epoxy group to equivalent of primary amine or ammonia. A method is also disclosed for carrying out the defunctionalizing reaction while avoiding gelation.

REFERENCES:
patent: 3716402 (1973-02-01), Hicks
patent: 4174333 (1979-11-01), Hartman et al.
patent: 4289674 (1981-09-01), Christenson et al.
patent: 4335829 (1982-06-01), Christenson et al.
patent: 4423166 (1983-12-01), Moriarity et al.
patent: 4605476 (1986-08-01), Hart et al.

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