Process to make a conductive composition of a fluorinated...

Details Process to make a conductive composition of a fluorinated... Process to make a conductive composition of a fluorinated...

2007-05-01

2007-05-01

Wilson, James O. (Department: 1626)

Compositions

Electrically conductive or emissive compositions

C252S502000

Reexamination Certificate

active

10734596

ABSTRACT:
The process of the present invention is a process to make a conductive fluorinated polymer composition (also called composite) wherein:a) an aqueous solution of an anilinium salt is mixed with an aqueous dispersion of a fluorinated polymer,b) then an oxidant is added to the mixture of step a) to make a blend of said fluorinated polymer and doped polyaniline (PANI),c) by-products and unreacted aniline are removed by washing with water or an alcohol to get a blend of purified fluorinated polymer and doped PANI,d) eventually the purified fluorinated polymer and doped PANI of step c) can be mixed with an acid,e) water is removed from the purified fluorinated polymer and doped PANI of step c) or d) if any and the remaining powder is melted and shaped in films, pellets or any object.

REFERENCES:
patent: 5286413 (1994-02-01), Hannecart et al.
patent: 6235220 (2001-05-01), Pron et al.
patent: 61123637 (1986-06-01), None

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