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Synthesis and characterization of a semiflexible liquid crystalline polyester with a broad nematic region |
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| Authors: | Patrick Mather Nino Grizzuti Glenn Heffner Mathias Ricker Willie E. Rochefort Markus Seitz Hans-Werner Schmidt Dale S. Pearson |
| Affiliation: | a Department of Chemical and Nuclear Engineering and Materials Department, University of California, Santa Barbara, California, U.S.A.b Dipartimento di Ingegneria Chimica, Universita di Napoli, Napoli, Italiac Dupont Polymers, Wilmington, DEd Dept. of Chemical Engineering, Oregon State University, Corvallis, Oregon, U.S.A.e Institute for Organic Chemistry, University of Mainz, Mainz, Germany |
| Abstract: | In this paper, we report on the synthesis and detailed characterization of a new semiflexible nematic liquid crystalline polyester which could serve as a 'model' polyester for a variety of physical and physico-chemical investigations. The polymer is a nematic liquid over a wide temperature range-from the glass transition temperature at ∼95°C to the isotropic transition at ∼240°C. We expect this polyester to be particularly useful for studying the effect of flow on the orientation of liquid crystalline polymers, as well as the production and removal of disclinations. |
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