Heterogenous polymerization in carbon dioxide

Details Heterogenous polymerization in carbon dioxide Heterogenous polymerization in carbon dioxide

1996-08-09

1997-06-17

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

056398360

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: 3533228 (1970-10-01), Fukui et al.
patent: 3817871 (1974-06-01), Graff
patent: 4243548 (1981-01-01), Heeb et al.
patent: 4748220 (1988-05-01), Hartmann et al.
patent: 4933404 (1990-06-01), Beckman et al.
patent: 5045220 (1991-09-01), Harris et al.
J. M. DeSimone et al.; Dispersion Polymerizations in Supercritical Carbon Dioxide; Science 265:356-359 (1994).
K. A. Shaffer et al.; Chain Polymerization in Inert Near and Supercritical Fluids Trips 3 No. 5:146-153 (1995).
J. M. DeSimone et al.; Synthesis of Fluoropolymers in Supercritical Carbon Dioxide; Science 257:945-947 (1992).
Cosani et al.; Observations on the Solubility of Surfactants and Related Molecules in Carbon Dioxide at 50.degree.C; The Journal of Supercritical Fluids, 3:51-65 (1990).

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