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2 638 981

(13)

C2

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IPC

B01D69/00(2006-01-01)

B01D71/34(2006-01-01)

B01D71/38(2006-01-01)

B01D71/56(2006-01-01)

C08J5/22(2006-01-01)

(21) (22)

Application

2016103008, 2016-01-29

(24)

Start date

2016-01-29

(22)

Actual filing date

2016-01-29

(45)

Published

2017-12-19

(72)

Inventor

Denisov Evgenij IvanovichSavonin Aleksej AleksandrovichPichkhidze Sergej YakovlevichSalkovskij Yurij EvgenevichGusev Nikolaj AlekseevichKossovich Leonid Yurevich

(73)

Holder

Rossijskaya Federatsiya, Ot Imeni Kotoroj Vystupaet Fond Perspektivnykh Issledovanij

COMPOSITION FOR PRODUCTION OF SEMI-PERMEABLE POROUS MEMBRANE Russian patent published in 2017 - IPC B01D69/00 B01D71/34 B01D71/38 B01D71/56 C08J5/22 

Abstract RU 2638981 C2

FIELD: chemistry.

SUBSTANCE: invention can be used to produce a waterproof, air-vapour-permeable membrane, as well as to regulate the complex of performance properties of a membrane material. The composition includes, wt %: polyacrylonitrile 7-9, polyvinylidene difluoride 9-11, the rest - N,N-dimethylacetamide and N,N-dimethylformamide at a ratio of 1:1.

EFFECT: invention makes it possible to increase the functional properties of membranes, namely the water resistance and the speed of electroforming.

3 tbl, 7 ex

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RU 2 638 981 C2

Authors

Denisov Evgenij Ivanovich

Savonin Aleksej Aleksandrovich

Pichkhidze Sergej Yakovlevich

Salkovskij Yurij Evgenevich

Gusev Nikolaj Alekseevich

Kossovich Leonid Yurevich

Dates

2017-12-19—Published

2016-01-29—Filed

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