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Study of irradiation effect on poly(vinylidene fluoride-trifluoroethylene) copolymers

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Abstract

In order to get the nature of the ferroelectric relaxor behavior, the structural changes of electron irradiated of P (VDF-TrFE) copolymer have been investigated through IR spectra, X-ray, DSC, and AFM. The irreversible transformation from the ferroelectric copolymer to the relaxor state induced by irradiation is related to the creation of polar clusters, consisting of a variety of short range coherence of trans-conformation, stabilized by random fields of C=C and C=O bonds. And the existence of nanometer scale crystals embedded in an amorphous matrix may be the base of the relaxor behavior and high performance in these polymers.

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Acknowledgements

This work was supported by Zhejiang Provincial Natural Science Foundation of China (Grant No. M103015), Scientific Research Fund of Zhejiang Provincial Education Department (Grant No. 20051771, 20051769), Natural Found of Ningbo (Grant No. 2006A610064) and the research fund of Ningbo University (Grant No. XK200558, 200543).

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Correspondence to Weiping Li.

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Li, W., Zhu, Y., Jiang, L. et al. Study of irradiation effect on poly(vinylidene fluoride-trifluoroethylene) copolymers. J Mater Sci 42, 7186–7190 (2007). https://doi.org/10.1007/s10853-007-1570-5

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  • DOI: https://doi.org/10.1007/s10853-007-1570-5

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