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2004•Molecular Crystals and Liquid CrystalsRequires access

Thermal Properties and Ionic Conductivity of Side Chain Polymers Having Imidazolium Salt

Sadako Takada, Naoto Suzuki, Takashi Mihara, Naoyuki Koide

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Abstract

We synthesized polymethacrylate containing imidazolium salts via three aromatic rings in the side chain. A smectic phase is shown for the polymer having imidazolium salts with Br anion. Temperature dependence of ionic conductivity for the polymers is observed. The ionic conductivity of the polymers increased with increasing temperature. The ionic conductivity of the polymersis about 10−9–10−8 Scm−1 near room temperature. The highest ionic conductivity of the polymers is about 10−5 Scm−1 at 130°C.

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What this paper is about

We synthesized polymethacrylate containing imidazolium salts via three aromatic rings in the side chain. A smectic phase is shown for the polymer having imidazolium salts with Br anion. Temperature dependence of ionic conductivity for the polymers is observed. The ionic conductivity of the polymers increased with increasing temperature. The ionic conductivity of the polymersis about 10−9–10−8 Scm−1 near room temperature. The highest ionic conductivity of the polymers is about 10−5 Scm−1 at 130°C.

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Available abstract

We synthesized polymethacrylate containing imidazolium salts via three aromatic rings in the side chain. A smectic phase is shown for the polymer having imidazolium salts with Br anion. Temperature dependence of ionic conductivity for the polymers is observed. The ionic conductivity of the polymers increased with increasing temperature. The ionic conductivity of the polymersis about 10−9–10−8 Scm−1 near room temperature. The highest ionic conductivity of the polymers is about 10−5 Scm−1 at 130°C.

Key concepts: Ionic conductivity, Polymer, Side chain, Ionic bonding, Salt (chemistry), Conductivity, Ionic liquid, Polymer chemistry

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