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Dynamic viscoelastic properties of D-phase compounds

โœ Scribed by Takanari Yamaguchi; Minoru Yamada; Shoichi Kutsumizu; Shinichi Yano

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
261 KB
Volume
240
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Dynamic viscoelastic properties were studied for two D-phase compounds, 4'-n-hexadecyloxy-and 4'-n-docosyloxy-3'nitrobiphenyl-4-carboxylic acids. The storage modulus (G') in the D phase showed an extraordinarily high value of 10 7 dyne/cm 2, compared with that in smectic A and C phases. These viscoelastic results suggest the existence of a three-dimensional network structure constructed by rod-like micelles, as proposed by Tardieu and Billard.

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