Preparation of photo-induced graft filling polymerized membranes for pervaporation using polyimide with benzophenone structure

The preparation of the composite membranes has been investigated by photo-induced graft filling polymerization. The asymmetric polyimide membranes as substrate were prepared by the phase inversion process using polyimide with benzophenone structure. Graft polymerization took place by UV irradiation...

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Bibliographic Details
Published in:Journal of membrane science 2002-06, Vol.203 (1), p.191-199
Main Authors: Yanagishita, H., Kitamoto, D., Ikegami, T., Negishi, H., Endo, A., Haraya, K., Nakane, T., Hanai, N., Arai, J., Matsuda, H., Idemoto, Y., Koura, N.
Format: Article
Language:English
Subjects:
Graft filling membranes
Pervaporation
Photo-induced graft polymerization
Polyimide
Preparation
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Summary:The preparation of the composite membranes has been investigated by photo-induced graft filling polymerization. The asymmetric polyimide membranes as substrate were prepared by the phase inversion process using polyimide with benzophenone structure. Graft polymerization took place by UV irradiation supplying monomer, such as methyl acrylate without adding photoinitiator like benzophenone. These graft modified membranes showed benzene permselectivity for benzene/cyclohexane mixture (50/50 v/v) on pervaporation.
ISSN:0376-7388
1873-3123
DOI:10.1016/S0376-7388(02)00006-6