METHOD OF PRODUCTION OF ASYMMETRIC TRACK MEMBRANE Russian patent published in 2004 - IPC

Abstract RU 2220762 C1

FIELD: methods of manufacture of asymmetric polymer membranes with thin selective layer containing pores of micro- and nano-metric ranges. SUBSTANCE: proposed method includes radiation of polymer film with heavy charged particles followed by chemical pickling at additional treatment of film by action of ultra-violet radiation or plasma in oxygen-containing atmosphere on one side or by beam of charged particles; chemical pickling is performed in solution containing at least two dissolved components: pickling agent and surfactant. EFFECT: increased productivity due to continuous technological process. 7 cl, 7 dwg

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RU 2 220 762 C1

Authors

Apel' P.Ju.

Vutsadakis Vasilij

Dmitriev S.N.

Oganesjan Ju.Ts.

Dates

2004-01-10—Published

2002-09-24—Filed