Heterogeneous polymerization in carbon dioxide

Details Heterogeneous polymerization in carbon dioxide Heterogeneous polymerization in carbon dioxide

1993-07-30

1994-05-17

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526194, 526346, C08F 200

Patent

active

053128826

ABSTRACT:
The heterogeneous polymerization of water-soluble 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-soluble 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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