Aqueous dispersed, acrylic grafted epoxy microgel protective coa

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

523403, 523407, 525117, C08L 6300

Patent

active

055083250

ABSTRACT:
An aqueous protective coating composition particularly useful for can coatings is based on a polymeric binder comprising epoxy crosslinked microgel particles. The microgel polymer is produced by dispersing into water a carbon grafted, carboxyl functional acrylic-epoxy copolymer, and combined with low molecular weight diepoxide, followed by coreaction and crosslinking between the carboxyl copolymer and diepoxide to form stable aqueous dispersed microgel particles.

REFERENCES:
patent: 4487861 (1984-12-01), Winner
patent: 5252637 (1993-10-01), Craun et al.

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