Alam , S. M. M. and Agag, T. and Takeichi, T. (2006) Novel polyimide-clay-siloxane hybrids through sol-gel process. ICECE 2006: Proceedings of the 4th International Conference on Electrical and Computer Engineering . pp. 390-393.
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A series of polyimide-clay-siloxane hybrid films with siloxane content upto 50% were successfully prepared by the sol-gel reaction of diethoxydimethylsilane (DEDMS) in the presence of poly(amic acid). XRD indicated that the organically modified montmorillonite(OMMT) layers were exfoliated and dispersed into the poly(amide acid) and polyimide film. The films were yellow and transparent when the siloxane content was upto 5%. Thermogravimetric analysis, differential scanning calorimetry, viscoelasto meter and stress-strain tests were used to measure the performance of the films. The results indicate that the inclusion of OMMT and siloxane improved the thermal and mechanical properties of polyimide films.
|Subjects:||Physical Science > Nanophysics|
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Physics|
Faculty of Engineering, Science and Mathematics > School of Chemistry
|Deposited On:||10 Nov 2010 04:11|
|Last Modified:||10 Nov 2010 04:11|
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