Fluoropolymer blend with high ionic conductivity

Details Fluoropolymer blend with high ionic conductivity Fluoropolymer blend with high ionic conductivity

2008-01-08

2008-01-08

Mullis, Jeffrey (Department: 1711)

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

Synthetic resins

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

Reexamination Certificate

active

07317052

ABSTRACT:
A fluoropolymer blend with high ionic conductivity that can be applied in electroactive polymer composite includes following components: PVDF-g-SPS (styrene-grafted and sulfonated PVDF); PVDF; and hydrocarbon- or fluoro-elastomer. PVDF-g-PS(styrene-grafted PVDF) □ PVDF and hydrocarbon- or fluoro-elastomer are mixed with specific proportion and being dissolved in an aprotic solvent □ the solution is then cast film on a substrate followed by sulfonation to give the aforementioned compound membrane. The obtained compound membrane has excellent properties, such as thermal stability, acid-alkali resistance, good mechanical performance, excellent flexibility, and capability for processing appropriate cross-link for further enhancing the mechanical performance of this membrane.

REFERENCES:
patent: 2003/0166773 (2003-09-01), Chen et al.
patent: 2004/0126638 (2004-07-01), Chen et al.
patent: 2005/0181255 (2005-08-01), Chen et al.

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