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2 483 788

(13)

(51)

IPC

B01D71/60(2006-01-01)

B82B3/00(2006-01-01)

(21) (22)

Application

2011117676/05, 2011-05-03

(24)

Start date

2011-05-03

(22)

Actual filing date

2011-05-03

(45)

Published

2013-06-10

(72)

Inventor

Berezina Ninel' PetrovnaShkirskaja Svetlana AlekseevnaKolechko Marija ViktorovnaTimofeev Sergej Vasil'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet" Vpo

METHOD OF MAKING LAMINAR COMPOSITE MEMBRANE Russian patent published in 2013 - IPC B01D71/60 B82B3/00

Abstract RU 2483788 C2

FIELD: process engineering.

SUBSTANCE: invention relates to production of anion-exchange membranes. Proposed method comprises holding uncharged film of copolymer of tetrafluorethylene and perfluoro(3,6-dioxide-4-methyl-7-octene)sulfonyl fluoride (copolymer "Ф-4СФ") in solvent and/or the mix of solvent and aniline, and impregnating it with solutions of ammonium persulphate and, then, phenyl ammonia muriate.

EFFECT: multilayer composite membrane for determination pH-medium as optical sensor material.

5 cl, 7 dwg

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RU 2 483 788 C2

Authors

Berezina Ninel' Petrovna

Shkirskaja Svetlana Alekseevna

Kolechko Marija Viktorovna

Timofeev Sergej Vasil'Evich

Dates

2013-06-10—Published

2011-05-03—Filed