Polymerization of fluoropolymers in carbon dioxide

Details Polymerization of fluoropolymers in carbon dioxide Polymerization of fluoropolymers in carbon dioxide

1997-12-10

2000-04-18

Lipman, Bernard

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

Synthetic resins

Treating polymer containing material or treating a solid...

526942, C08F 600

Patent

active

060516828

ABSTRACT:
Fluoromonomer is polymerized to obtain a fluoropolymer with the polymerization being carried out in a pressurized polymerization reactor containing a polymerization medium comprising liquid or supercritical CO.sub.2. The polymerization medium is withdrawn from the reactor together with the fluoropolymer and flash decompressed to thereby recover the fluoropolymer from the medium.

REFERENCES:
patent: 5200442 (1993-04-01), Schlipf et al.
patent: 5496901 (1996-03-01), DeSimone
patent: 5548004 (1996-08-01), Mardel et al.
patent: 5559198 (1996-09-01), Eian et al.

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