Polymerisation process

Details Polymerisation process Polymerisation process

C - Chemistry, Metallurgy

08

F

400/5050

C08F 2/20 (2006.01) C08F 2/16 (2006.01)

Patent

CA 1214295

ABSTRACT POLYMERISATION PROCESS Wholly non-charged, sterically stabilised aqueous polymer dispersions are made by emulsifying ethylenically unsaturated monomer(s) of specified slight solubility in water and subjecting them in that state to polymerisation in the presence of hydrogen peroxide and a non-ionic water-soluble activator compound and also in the presence of a steric stabiliser precursor compound containing a polymer chain which is soluble in the aqueous phase and an unsaturated grouping which can copolymerise with the monomer(s). The emulsification may be assisted by a conventional non-ionic surfactant, or alternatively the precursor compound may itself possess surface-active properties.

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