Studies of a series of substituted benzo-, naphtho-, anthra-and phenanthrene-semiquinones, benzil semidione and Wurster's blue perchlorate by ENDOR spectroscopy in liquid crystalline solutions are reported. Sufficient solubility of the radical anions is achieved by using lipophilic counter ions such
Application of Pulsed ENDOR to the Study of Radicals in a Liquid-Crystalline Copolyester
β Scribed by M. Hubrich; G.G. Maresch; H.W. Spiess
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 596 KB
- Volume
- 113
- Category
- Article
- ISSN
- 1064-1858
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π SIMILAR VOLUMES
Radicals in a liquid-crystalline copolyester are studied by pulsed electron paramagnetic resonance (EPR) and pulsed electron nuclear double resonance (ENDOR). For the first time transient ENDOR techniques are used to investigate molecular motion of radicals in a disordered solid. The nuclear phase m
## Abstract The complex dielectric permittivity has been measured in the 10^3^β10^6^ Hz frequency range for selected random copolyesters of poly(ethylene terephthalate). The variation of the dielectric properties with temperature has been qualitatively related mainly to two processes. The Ξ± relaxat
where g SL represents the interfacial tension between the solid The different methods available in the literature to calculate the and the liquid, g S and g L are respectively the surface tension surface tension of a solid from contact angle measurements are of the solid and the surface tension of t