Epoxy phosphate-carboxyl copolymers and aqueous coatings contain

Details Epoxy phosphate-carboxyl copolymers and aqueous coatings contain Epoxy phosphate-carboxyl copolymers and aqueous coatings contain

1983-04-13

1985-02-05

Kight, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528108, 528365, 525488, 525514, 523423, C08G 5900, C08G 6528

Patent

active

044979460

ABSTRACT:
Epoxy phosphate-carboxyl copolymers substantially free of epoxy functionality and aqueous coatings containing the same are disclosed. These copolymers are formed by copolymerizing monoethylenically unsaturated monomers, including carboxyl-functional monomer, in an organic solvent solution containing an epoxy-functional epoxy phosphate, there being at least 5% of carboxyl-functional monomer and at least 10% of total monomers present in the copolymer. The copolymer is converted into a water soluble salt with volatile amine and phenoplast resins are preferably used to provide at least part of the curing agent.

REFERENCES:
patent: 2541027 (1948-05-01), Bradley
patent: 2732367 (1956-01-01), Shokal
patent: 3378601 (1968-04-01), Tanaka et al.
patent: 4301261 (1981-11-01), Jackson
patent: 4360613 (1982-11-01), Shimp

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