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Preparation of NF ion-exchange membranes via radiation-induced grafting and their application

✍ Scribed by Xu Zhi-Li

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
335 KB
Volume
62
Category
Article
ISSN
0011-9164

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✦ Synopsis

A series of NF ion-exchange membranes were prepared and manufactured in the laboratories and affiliated factory of the Shanghai Institute of Nuclear Research. The membranes were made by radiation-induced grafting of various vinyl monomers onto perfluorinated trunk polymers such as Teflon FEP (F46) films, and a pre-irradiation technique was adopted. The NF ion-exchenge membranes thus obtained exhibit excellent permselectivity, specific conductivity, chemical inertness, mechanical strength, anti-fouling and other favourable properties, by virtue of which they can be successfully used in a wide area of application with a sufficiently long lifetime.

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## Abstract **Summary:** Two distinct types of polymer electrolyte membranes for conducting protons and lithium ions have been prepared by a radiation‐induced grafting method. The polymer electrolyte precursor (PVDF‐__g__‐PS) is obtained by the simultaneous grafting of styrene onto poly(vinylidene