Heterogeneous polymerization in carbon dioxide

Details Heterogeneous polymerization in carbon dioxide Heterogeneous polymerization in carbon dioxide

1994-09-01

1995-09-19

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C08K 502

Patent

active

054516331

ABSTRACT:
The heterogeneous polymerization of water-insoluble polymer in CO.sub.2 is disclosed. The method comprises providing a heterogeneous reaction mixture comprising CO.sub.2, a monomer, and a surfactant, then polymerizing the monomer to form a water-insoluble polymer.

REFERENCES:
patent: 3522228 (1970-07-01), Fukui et al.
patent: 4748220 (1988-05-01), Hartmann et al.
patent: 4933404 (1990-06-01), Beckmann et al.
DeSimone et al.; Synthesis of Fluoropolymers in Supercritical Carbon Dioxide; Science 257; 945-947; (1992).

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