Aqueous dispersed, epoxy crosslinked maleated oil microgel polym

Details Aqueous dispersed, epoxy crosslinked maleated oil microgel polym Aqueous dispersed, epoxy crosslinked maleated oil microgel polym

1997-01-28

1998-03-31

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...

523403, 523426, C08L 3700

Patent

active

057339708

ABSTRACT:
An aqueous protective coating composition particularly useful for can coatings based on a polymeric binder comprises water dispersed diepoxide crosslinked microgel particles. The microgel polymer is produced by disposing in water a carboxyl functional, addition polymer modified, maleated glyceride oil copolymer and crosslinking aqueous disposed carboxyl copolymer with a low molecular weight diepoxide to form stable aqueous disposed microgel particles. The maleated glyceride oil can be modified by in-situ polymerizing ethylenic monomers with the maleated glyceride oil in the absence of water or in water to form either a water dispersed copolymer or an aqueous emulsion copolymer. The water disposed copolymer is subsequently heat reacted with diepoxide mixed with the copolymer to form aqueous dispersed microgel polymer particles.

REFERENCES:
patent: 3855163 (1974-12-01), Bussell
patent: 5554671 (1996-09-01), Craun et al.

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