Process for making semipermeable polymers with ion exchange and

Details Process for making semipermeable polymers with ion exchange and Process for making semipermeable polymers with ion exchange and

1992-08-21

1993-10-19

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204 72, 204 78, 522 20, C25B 310

Patent

active

052542238

ABSTRACT:
The process for preparation of semipermeable polymer layers with ion-exchanging and ion-conducting capabilities comprises the steps of making and depositing a polymer layer in situ by electrochemical polymerization on an electrically conductive substrate and subsequently cross-linking, by heating or irradiating. The electrochemically formed polymer layers are built up of poly(oxyphenylene) or poly(naphthylene) chains, in which the aromatic units contain the ion-exchanging and ion-conducting groups. These polymer layers are suitable for use as a semipermeable membrane in an electrode/membrane unit, as a selective layer or as a component of a selective layer of potentiometric and amperometric sensors and as a solid polymer electrolyte in electrochemical cells.

REFERENCES:
patent: 3335075 (1967-08-01), Borman
patent: 4334054 (1982-06-01), Dubois et al.
patent: 5112450 (1992-05-01), Jasne
patent: 5133841 (1992-07-01), Higo et al.

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