Polymerisation processes and polymeric compositions

Details Polymerisation processes and polymeric compositions Polymerisation processes and polymeric compositions

C - Chemistry, Metallurgy

02

F

402/372

C02F 1/56 (2006.01) C08F 2/32 (2006.01) C08F 246/00 (2006.01)

Patent

CA 1241149

ABSTRACT Polymerisation Processes and Polymeric Compositions Polymers that are soluble or swellable in water or an alkali and that include pendant hydrophobic groups can be in the form of particles having a dry size of below 4 microns and can be made by reverse phase polymerisation in the presence of a water soluble initiator, and generally an amphipathic suspension stabiliser, of a blend of all the monomers as a solution in water. Particularly preferred products are cross linked polymers formed from a monomer containing pendant hydrophobic groups and acrylic acid, as free acid or salt, and/or acrylamide.

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