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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and characterization of acrylonitrile-ethyl methacrylate copolymers and the effect of LiClO _4 salt on electrical properties of copolymer films
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Preparation and characterization of acrylonitrile-ethyl methacrylate copolymers and the effect of LiClO _4 salt on electrical properties of copolymer films

机译：丙烯腈-甲基丙烯酸乙酯共聚物的制备，表征及LiClO_4盐对共聚物薄膜电性能的影响

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摘要

Copolymers of poly(acrylonitrile-co-ethyl methacrylate), P(AN-EMA), with three different EMA content and parent homopolymers were synthesized by emulsion polymerization. The chemical composition of copolymers were identified by FTIR, ~1H-NMR and ~(13)C-NMR spectroscopy. The thermal properties of copolymers were modified by changing the EMA content in copolymer compositions. Various amounts of LiClO _4 salt loaded (PAN-co-PEMA) copolymer films were prepared by solution casting. The dielectric properties of these films at different temperatures and frequencies were investigated. It was found that the dielectric constant and ac-conductivity of copolymer films were strongly influenced by the salt amounts and EMA content in copolymers.
机译：通过乳液聚合合成了具有三种不同EMA含量的聚（丙烯腈-甲基丙烯酸乙酯）P（AN-EMA）和母体均聚物。通过FTIR，〜1H-NMR和〜（13）C-NMR光谱鉴定共聚物的化学组成。通过改变共聚物组合物中的EMA含量来改变共聚物的热性能。通过溶液流延制备了各种量的负载了LiClO 4盐的（PAN-co-PEMA）共聚物膜。研究了这些膜在不同温度和频率下的介电性能。发现共聚物膜的介电常数和交流电导率受共聚物中盐含量和EMA含量的强烈影响。

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