Ionomeric coatings

Details Ionomeric coatings Ionomeric coatings

1991-01-22

1992-11-10

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523334, 523400, 523435, 525480, 525530, 525533, C08K 308, C08K 322

Patent

active

051624273

ABSTRACT:
Heat cured, thermoset protective surface coating films applied to a substrate are produced preferably by a dual cure of a polymeric ionomeric binder comprising zinc modified carboxyl functional epoxy-ester polymers. The epoxy-ester polymer contains both carboxy and hydroxyl functionality and coreacts with a zinc salt selected from a zinc carbonate or an organic zinc salt having a pKa above about 3.0. Upon heat curing, the carboxyl and hydroxyl groups crosslink while the zinc forms a zinc cluster to produce a thermoset film.

REFERENCES:
patent: 3976617 (1976-08-01), Vasta

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