The effects of high poling fields on dielectric relaxations in polymers
β Scribed by Das-gupta, D. K.; Doughty, K.
- Book ID
- 120491646
- Publisher
- Taylor and Francis Group
- Year
- 1981
- Tongue
- English
- Weight
- 302 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0015-0193
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π SIMILAR VOLUMES
Studies of dielectric relaxation of polydimethyl siloxane have shown that there is anomalous behaviour near its melting point ( ~ -50), probably due to the presence of "'Rotator Phases". A detailed study of polyphenyl methyl siloxane, with various polar and non-polar diluents, has been carried out.
Activation volumes for chromophore reorientation were measured for a series of guest-host polymeric materials, indicating a significant coupling between chromophore motion and the glassy a and b relaxation dynamics of the polymer host. The specific systems studied were formed by individually dissolv