Method for reduction of aqueous phase polymer formation in suspe

Details Method for reduction of aqueous phase polymer formation in suspe Method for reduction of aqueous phase polymer formation in suspe

1994-03-10

1995-05-09

Nagumo, Mark

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526195, 526229, 526336, C08F 218

Patent

active

054140625

ABSTRACT:
A process for reducing the formation of aqueous phase polymer during the suspension polymerization of unsaturated monomer is disclosed. The reduction of polymer formation in the aqueous phase and subsequent fouling of polymerization reactor surfaces is achieved by incorporating an effective amount of a water-soluble peroxide compound into the aqueous phase used for the suspension polymerization. Hydrogen peroxide, sodium perborate and sodium percarbonate are effective aqueous phase inhibitors for use in the preparation of crosslinked polystyrene beads.

REFERENCES:
patent: 3995096 (1976-11-01), Flatau et al.
patent: 4438242 (1984-03-01), Settineri et al.
patent: 4539380 (1985-09-01), Cheng et al.

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