Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-12-21
1989-01-31
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525528, 525530, 525531, C08G 5916, C08F26900, C08L 3302
Patent
active
048016535
ABSTRACT:
A coating composition which exhibits excellent sag resistance without the necessity for externally added rheology control agent is prepared from a curing agent and an ungelled hydroxyl functional graft copolymer. The graft copolymer is prepared by the vinyl addition polymerization, in an inert organic solvent, of a vinyl monomer component containing at least a portion of a carboxyl functional vinyl monomer in the presence of a glycidyl ester containing acrylic polymer. The grafting occurs by the condensation reaction between the carboxyl groups of the vinyl monomer component and the epoxy groups of the glycidyl ester containing acrylic polymer.
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Das Suryya K.
Dowbenko Rostyslaw
Porter Samuel
Jacobs Lewis T.
Pingitore Linda
PPG Industries Inc.
Sellers II Robert E. L.
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