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Please use this identifier to cite or link to this item: http://hdl.handle.net/1783.1/1452
Title: Variation of the functional attachment bridge groups on the properties of liquid-crystalline polyacetylenes
Authors: Lam, Wing Yip
Kong, Xiangxing
Tung, Man Kin
Lee, Pui Sze
Tang, Ben-Zhong
Keywords: Mesogen pendant
Mesogen-containing polyalkynes
Attachment bridges
Liquid-crystalline polyacetylenes
Issue Date: 1999
Citation: Preprints of Second East Asian Polymer Conference, Hong Kong, 12-16 Jan. 1999, Hong Kong University of Science and Technology, Hong Kong, 1999, p. 180-181
Abstract: After Ringsdorf and coworkers proposed that a flexible spacer should be inserted between the polymeric main chain and the mesogenic side group in order to decouple the motion of the main chain from the side group, systematic synthesis, characterizations and applications of side chain liquid crystalline polymers became popular. Attachment of mesogen pendant to the conjugated polyacetylene backbone is of interest because the resulting polymers may possess unique electrical and liquid crystalline properties. Recently, we have synthesized two mesogen-containing polyalkynes (PA3OE11 and PA3EE11) with different attachment bridges according to Schemes 1 and 2. In this paper, we report the synthesis and mesomorphic properties of the monomers and polymers with different bridge groups.
URI: http://hdl.handle.net/1783.1/1452
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