Molecular mobility and strengthening of oriented liquid-crystal polymers

Authors
Egorov, EA Savitskii, AV Zhizhenkov, VV Gorshkova, IA
Citation
Ea. Egorov et al., Molecular mobility and strengthening of oriented liquid-crystal polymers, PHYS SOL ST, 41(5), 1999, pp. 777-779
Citations number
12
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICS OF THE SOLID STATE
ISSN journal
10637834 → ACNP
Volume
41
Issue
5
Year of publication
1999
Pages
777 - 779
Database
ISI
SICI code
1063-7834(199905)41:5<777:MMASOO>2.0.ZU;2-4
Abstract
Broad-line proton magnetic resonance has been used to study cooperative mes ophase molecular motion in the example of a fully-aromatic oriented liquid- crystal polymer Vectra A950. The molecular mobility is found to decrease as a result of heat treatment, which is considered to be the reason for a hig her tensile (rupture) strength owing to an increase in the activation energ y for the fracture process. (C) 1999 American Institute of Physics. [S1063- 7834(99)02505-8].