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Ion and Polymer Chain Motion in a Superionic Sodium-Poly(Ethylene Oxide) Complex

机译：离子和聚合物链在超离子钠 - 聚（环氧乙烷）配合物中的运动

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Magnetic resonance measurements have been performed on the ion conducting complex poly(ethylene oxide)4.5NaC104. Low temperature 23Na NMR spectra suggest a highly symmetric environment for the Na-ions as evidenced by the absence of quadrupole broadening. Proton spin-lattice relaxation measurements provide an estimate of 4x10 to the -10 power sec for the polymer chain motional correlation time at T=69C. Correlation times of tumbling paramagnetic probe molecule have been extracted from EPR spectra of 15N-enriched TANOL-doped complex. Changes in polymer chain mobility above T=120C are inferred from the results and may be consistent with previous scanning calorimetry measurements. Originator supplied keywords include: Solid electrolytes; poly(ethylene oxide); molecular motion; NMR; EPR.

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作者
Greenbaum, S. G.; Shetty, A. N.;
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年度 1985
页码 p.1-21
总页数 21
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Solid electrolytes; Polyethylene plastics; Motion; Polymers; Ionic current; Nuclear magnetic resonance; Molecular properties; Electron paramagnetic resonance; Sodium;

机译：固体电解质;聚乙烯塑料;运动;聚合物;离子电流;核磁共振;分子特性;电子顺磁共振;钠;

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2. Organic Nanoparticles with Polypropyleneoxide Chains as Support for Metallocene Catalysts: Ethylene Homopolymerization and Ethylene/α-olefin Copolymerization [J] . Yong-Jun Jang, Nikolay Nenov, Markus Klapper, Polymer Bulletin . 2003,第5a6期

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3. Spin label study of phase morphology and polymer segmental motion in poly(acrylic acid)-poly(ethylene oxide) complex [J] . Tan L., Lu GQ., Chen SM., Magnetic Resonance in Chemistry: MRC . 2003,第11期

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Ion and Polymer Chain Motion in a Superionic Sodium-Poly(Ethylene Oxide) Complex

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