Hydroxyl functional graft copolymers

Details Hydroxyl functional graft copolymers Hydroxyl functional graft copolymers

1986-07-21

1988-05-31

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525530, 525531, C08G 5916, C08F26900

Patent

active

047482117

ABSTRACT:
A liquid, hydroxyl functional graft copolymer is prepared by the vinyl addition polymerization, in an inert organic medium, of a vinyl monomer component comprising at least a portion of a carboxyl functional vinyl monomer in the presence of a glycidyl ester containing acrylic polymer, the grafting occuring by the condensation reaction between the carboxyl groups of the vinyl monomer component and the epoxy groups of the glycidyl ester containing acrylic polymer. The graft copolymer is especially useful in formulating clear coating compositions which exhibit excellent sag resistance without the necessity for externally added rheology control agent.

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