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Hybrid Films Based on a Polyimide Containing Nitrile Groups and Barium and Titanium Oxides

¹ ‘Petru Poni’ Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
² National Institute of Research and Development for Electrical Engineering (INCDIE ICPE-CA), Splaiul Unirii 313, Sector 3, Bucharest 030138, Romania

^* To whom correspondence should be addressed. E-mail: ehamciuc{at}icmpp.ro.

	Abstract

Hybrid polyimide films based on barium and titanium oxides were obtained by sol-gel technique using a poly(amic acid) containing nitrile groups and a soluble precursor of barium and titanium oxides. The poly(amic acid) was synthesized by solution polycondensation reaction of 4,4'-oxydiphthalic anhydride with 2,6-bis(3-aminophenoxy)benzonitrile. Hybrid polymer films were investigated by atomic force microscopy, scanning electron microscopy, thermogravimetric analysis and dynamic mechanical analyses. The nanoactuation properties of some hybrid polyimide films were also investigated.

First published on September 8, 2009, doi:10.1177/0954008309105565
This version was published on September 16, 2009


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