Low VOC, aqueous dispersed acrylic epoxy microgels

Details Low VOC, aqueous dispersed acrylic epoxy microgels Low VOC, aqueous dispersed acrylic epoxy microgels

1995-03-21

1996-09-10

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523409, 523412, 525119, C08K 320, C08L 6302

Patent

active

055546714

ABSTRACT:
An aqueous dispersed, very low VOC (less than about 0.4 pounds per gallon), protective surface coating composition comprises crosslinked microgel particles of less than 1 micron and produced by dispersing low molecular weight carboxyl functional addition copolymer into water, stably dispersing diepoxide epoxy resin in the aqueous dispersion, and coreacting the diepoxide resin with the carboxyl functional copolymer to provide epoxy-ester crosslinked microgel polymer particles stably dispersed into water. The microgel particles are useful as a polymeric binder for aqueous dispersed coatings particularly useful for coating interior surfaces of beer and beverage cans.

REFERENCES:
patent: 4897434 (1990-01-01), Shimada et al.

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