Phase behavior of a nematic liquid crystal in polybutadiene networks

Phase behavior of polybutadiene (PB) networks swollen in nematic liquid crystal p-ethoxybenzylidene- p- n-butylaniline (EBBA) strongly depends on whether there is surrounding EBBA: without the surrounding EBBA, EBBA in PB networks fails to form the nematic phase; in the presence of the surrounding E...

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Bibliographic Details
Published in:Chemical physics letters 1998-05, Vol.287 (3), p.342-346
Main Authors: Urayama, Kenji, Luo, Zhao-hui, Kawamura, Takanobu, Kohjiya, Shinzo
Format: Article
Language:English
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Summary:Phase behavior of polybutadiene (PB) networks swollen in nematic liquid crystal p-ethoxybenzylidene- p- n-butylaniline (EBBA) strongly depends on whether there is surrounding EBBA: without the surrounding EBBA, EBBA in PB networks fails to form the nematic phase; in the presence of the surrounding EBBA, the nematic phase is formed inside the gels. The results suggest that a high order of molecular alignment in the surrounding nematic EBBA induces the formation of nematic phase inside the gels and the inducement effects overcome a high dilution effect of the impurity (PB) on the interaction between EBBA molecules.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(97)01439-5