Process for the direct fluorination of polymeric resins

Details Process for the direct fluorination of polymeric resins Process for the direct fluorination of polymeric resins

1990-06-28

1992-09-22

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253337, 5253341, C08F 822

Patent

active

051497441

ABSTRACT:
A process for the direct fluorination of polymeric resins in which polymeric material capable of being fluorinated is contacted with elemental fluorine and a dense carrier fluid having a critical temperature higher than ambient temperature, a boiling point lower than ambient temperature minus 60 celcius degrees, and a molecular weight greater than the molecular weight of elemental fluorine. The dense carrier fluid preferably has a molecular weight in the range of about 40 to about 200.

REFERENCES:
patent: 4593050 (1986-06-01), Cohen et al.

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