Structural changes of 80/20 poly(vinylidene fluoride–trifluoroethylene) copolymer induced by electron irradiation | Zendy

Li Weiping | Zendy; Guo Shishang | Zendy; Tang Yiwen | Zendy; Zhao Xingzhong | Zendy

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Structural changes of 80/20 poly(vinylidene fluoride–trifluoroethylene) copolymer induced by electron irradiation

Author(s) -

Li Weiping,

Guo Shishang,

Tang Yiwen,

Zhao Xingzhong

Publication year - 2004

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.13503

Subject(s) - copolymer , irradiation , materials science , ferroelectricity , fluoride , fourier transform infrared spectroscopy , polymer chemistry , electron diffraction , phase (matter) , infrared spectroscopy , electron beam processing , diffraction , chemistry , dielectric , polymer , composite material , optics , organic chemistry , inorganic chemistry , physics , optoelectronics , nuclear physics

The electron irradiation effect on 80/20 poly(vinylidene fluoride–trifluoroethylene) [P(VDF–TrFE)] copolymers was studied by FTIR spectra and X‐ray diffraction. Infrared spectra showed decreasing intensity of bands at 1430, 1286, 846, and 505 cm −1 , the appearance and intensity increasing with irradiation doses of bands at 768, 601, and 1735 cm −1 , which revealed the conformational change after irradiation. The X‐ray diffraction patterns exhibited a decrease of volume fraction of ferroelectric phase and expansion of the lattice space. The electron‐irradiated P(VDF–TrFE) films showed structural changes and polar phase to nonpolar phase transformation. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 91: 2903–2907, 2004

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