METHOD OF MANUFACTURE OF BIPOLAR MEMBRANE Russian patent published in 2004 - IPC

Abstract RU 2236897 C1

FIELD: hydrometallurgy; manufacture of ionite membranes.

SUBSTANCE: proposed method includes hot molding at simultaneous reinforcing of mono-polar sulfo-cationite membrane and membrane on base of benzyl trimethyl ammonium anionite. Layer molded between mono-polar membranes over working section contains phosphorus-organic compound including estereal oxygen in alkyl radicals and nitrogen-phosphorus containing polyampholyte.

EFFECT: improved electrochemical properties of membrane; low cost of initial materials; extended range of application.

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RU 2 236 897 C1

Authors

Shatalov V.V.

Savel'Eva T.I.

Ramzina T.A.

Glukhova L.P.

Dates

2004-09-27—Published

2003-07-11—Filed