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Comparative Study of Polyimides Containing Oxadiazole and Ether Groups

'Petru Poni' Institute of Macromolecular Chemistry, Aleea Grigore Ghica Voda, 41A, Iasi 700487, Romania

Mariana Dana Damaceanu

'Petru Poni' Institute of Macromolecular Chemistry, Aleea Grigore Ghica Voda, 41A, Iasi 700487, Romania, damaceanu{at}icmpp.ro

Peter Muller

Budapest University of Technology and Economics, H-1111 Budapest, Müegyetem rkp. 3, Hungary

An aromatic diamine with a preformed oxadiazole ring and various dianhydrides with ether and other flexible or bulky groups, such as isopropylidene, hexafluoroisopropylidene, cyclohexylidene or fluorenylidene, were used in a polycondensation reaction at high temperature to produce poly(oxadiazole-ether-imide)s. The properties of these polymers such as solubility, film-forming ability, thermal stability and photoluminescence were studied and compared with those of related conventional aromatic polyimides. The mechanical properties of the free-standing films obtained from these polyimides were also investigated.

Key Words: Poly(oxadiazole-ether-imide)s • free-standing films • thermostability • tensile test • blue fluorescence

This version was published on October 1, 2009

High Performance Polymers, Vol. 21, No. 5, 522-534 (2009)
DOI: 10.1177/0954008309339202


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