The double-modulation ESR spin-probe technique was emmotion regime, the homogeneous linewidth (1/T 2 ) is larger ployed to study slow-motional dynamics in amorphous polymer than 1/T 1 , one can expect that the measurement of T 1 would matrices of polybutadiene, polyisobutylene, poly(methyl methacmak
Ion-polymer interactions in gel electrolytes studied by ESR spectroscopy of spin probes and spin labels
β Scribed by Qureshi, M. Y.; Berstan, D.; Cameron, G. G.; Ingram, M. D.; Rousselot, C.
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 184 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0959-8103
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β¦ Synopsis
Ion-conducting gels containing poly(methyl methacrylate), propylene carbonate and lithium perchlorate have been studied by ESR spectroscopy using spin-probe and spin-label techniques. Trends in with increasing salt con-T 50G centration observed with di β erent polymer contents are indicative of strong cationΓmatrix interactions which may restrict cation mobility in these systems.
π SIMILAR VOLUMES
Linear polymer blends and semi-interpenetrating polymer networks (IPNs) with controlled hydrogen bonding interactions based on poly(styrene-co-methacrylic acid) (STMAA) and poly(butyl methacrylate) (PBMA) were studied by an ESR spin probe method. The observed composite ESR spectra with fast-and slow