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Effect of ionic liquid incarceration during free radical polymerization of PMMA on its structural and electrical properties

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Abstract

The thin film of poly(methyl methacrylate) (PMMA) has been widely studied as host in a polymer electrolyte system due to its good mechanical stability towards lithium electrode. However, the brittle property of this film creates additional resistance for the ionic conduction. The addition of ionic liquid (IL) has been noticed to improve the brittleness of the film. In addition, its ionic conductivity can also be enhanced, but no free standing film can be obtained when higher amount of IL was added. Therefore, in this study, 1-methyl-3-pentamethyldisiloxymethylimidazolium bis(trifluoromethylsulfonyl)imide,[(SiOSi)C1C1im][NTf2], was incarcerated during free radical polymerization of MMA. Interestingly, this newly synthesized PMMA (PMMAIL) gives a flexible and transparent film with ionic conductivity of ∼10−7 S/cm at room temperature. The structural properties of this PMMAIL were further investigated using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and optical microscope (OM).

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Acknowledgments

The authors would like to express their gratitude to the Faculty of Applied Sciences, UiTM, i-MADE Lab and Institute of Science for their support in providing research facilities to carry out this research.

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Authors and Affiliations

  1. Faculty of Applied Sciences, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia

    N. A. M. Zailani, F. A. Latif & A. M. M. Ali

  2. Faculty of Applied Sciences, Universiti Teknologi MARA Kampus Tapah, Tapah Road, 35400, Tapah, Perak, Malaysia

    L.W. Zainuddin

  3. Universiti Teknologi MARA Kampus Kuala Pilah, 72000, Kuala Pilah, Negeri Sembilan, Malaysia

    R. Kamaruddin

  4. Faculty of Defence Science & Technology, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi, 57000, Kuala Lumpur, Malaysia

    M. Z. A. Yahya

  5. Institute of Science, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia

    A. M. M. Ali

  6. Ionic Material & Devices (iMADE) Research Laboratory, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia

    A. M. M. Ali & M. Z. A. Yahya

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  1. N. A. M. Zailani
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  2. F. A. Latif
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  3. A. M. M. Ali
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  4. L.W. Zainuddin
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  5. R. Kamaruddin
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  6. M. Z. A. Yahya
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Correspondence to N. A. M. Zailani.

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Zailani, N.A.M., Latif, F.A., Ali, A.M.M. et al. Effect of ionic liquid incarceration during free radical polymerization of PMMA on its structural and electrical properties. Ionics 23, 295–301 (2017). https://doi.org/10.1007/s11581-016-1827-6

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  • DOI: https://doi.org/10.1007/s11581-016-1827-6

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