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Proceedings Paper

Chemical processes in liquid crystal composite systems containing cholesteryl propionate
Author(s): Katalin Fodor-Csorba; T. Paksi; A. Vajda; S. Holly; E. Gacs-Baitz; A. Dobo; Antal Jakli
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Paper Abstract

An unusual depression of phase transitions was observed in a polymer composite system, when 4,4'-bis(2- methylpropenoyloxy)-biphenyl (BMB) was UV polymerized in a cholesteryl propionate matrix. Our analysis indicates that different chemical processes take place simultaneously during the photo polymerization. One is the polymerization of BMB leading to the formation of a polymer network. Independently from this, cholesteryl propionate suffered some chemical changes and, as main product, 7-hydroxy- cholesteryl propionate formed. This compound was isolated and its structure established by IR, NMR and MS spectroscopy.

Paper Details

Date Published: 1 January 1998
PDF: 4 pages
Proc. SPIE 3319, Liquid Crystals: Chemistry and Structure, (1 January 1998); doi: 10.1117/12.301283
Show Author Affiliations
Katalin Fodor-Csorba, Research Institute for Solid State Physics (Hungary)
T. Paksi, Research Institute for Solid State Physics (Hungary)
A. Vajda, Research Institute for Solid State Physics (Hungary)
S. Holly, Central Research Institute for Chemistry (Hungary)
E. Gacs-Baitz, Central Research Institute for Chemistry (Hungary)
A. Dobo, Central Research Institute for Chemistry (Hungary)
Antal Jakli, Research Institute for Solid State Physics (United States)


Published in SPIE Proceedings Vol. 3319:
Liquid Crystals: Chemistry and Structure
Marzena Tykarska; Roman S. Dabrowski; Jerzy Zielinski, Editor(s)

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