Polymers of brominated styrene

Details Polymers of brominated styrene Polymers of brominated styrene

1993-07-22

1994-04-19

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526296, 526347, C08F 1216, C08F 1416

Patent

active

053046188

ABSTRACT:
A process for the solventless polymerization of brominated styrenes includes blending monomers of brominated styrenes with a polymerization initiator, feeding the monomer/polymerization initiator mix into a prepolymerizer wherein the monomers begin to polymerize, and feeding the monomer/polymerization initiator mix and the partially polymerized bromostyrene into a screw-type extruder to drive the polymerization to a high degree of completion in a short period of time. Optionally, the monomers may be preheated before mixing with the initiator, or a heater may be included in the prepolymerizer.

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CAS Abstract 85:63979 of JP 51/47034 to Hirohisa, dated Apr. 22, 1976.
I. Konigsberg and J. Jagur-Grodzinski, "Anionic Polymerization and Copolymerization of p-Bromostyrene," J. Polym. Sci., Polym. Chem. Ed. 21(9), 2649-63 (1983).

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