Epoxy-acrylic graft polymers with aminoplast

Details Epoxy-acrylic graft polymers with aminoplast Epoxy-acrylic graft polymers with aminoplast

1991-05-08

1992-03-03

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523416, C08L 5108

Patent

active

050933922

ABSTRACT:
An epoxy-acrylic graft copolymer useful as a paint film is prepared by the in-situ copolymerization of ethylenically unsaturated monomers including between 1% and 25% by weight of alkylated alkylol acrylamide monomer in the presence of at least 3% by weight of peroxide initiator in the absence of water. The unsaturated monomer chains are grafted by carbon-to-carbon grafts to the epoxy resin backbone. The resulting epoxy-acrylic graft copolymer is dispersed into water by adding amine, and is blended with from 1 to 40 parts by weight of aminoplast per 100 parts by weight of copolymer.

REFERENCES:
patent: 4355122 (1982-10-01), Fan
patent: 4443568 (1984-04-01), Woo
patent: 4482671 (1984-11-01), Woo et al.
patent: 4522961 (1985-06-01), Martino et al.

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