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Us Patents
Suspension Polymerization With Cosolvent Partitioning
Gerald O. Schulz - Racine WI Dennis M. Wilson - Racine WI
Assignee:
S. C. Johnson & Son, Inc. - Racine WI
International Classification:
C08F 218 C08F22006
US Classification:
526202
Abstract:
YAqueous suspension polymers are prepared from water insoluble and water soluble monomers in an aqueous dispersion using an oil soluble initiator. A cosolvent partitions the water soluble monomer into the insoluble monomer/polymer droplets. Molecular weight and product homogeneity are controlled with a mercaptan chain transfer agent.