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4 February 1988 New Polydiacetylenes Incorporating Mesogenic Side-Chains
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The categorization of existing polydiacetylene structures according to the nature of the polymer side-chain interactions is presented. Opportunities for generating new diacetylene molecular architectures based on creating mesogenic side-chains then becomes evident. Carrying through on this concept, the synthesis of four new symmetric diacetylene monomers based on the N-benzylideneaniline and cyanobiphenyl mesogens is reported. 1,6- Bis[N-(4-oxybenzylidene) 4-octylaniline] 2,4-hexadiyne(1-0BOA) contains a methylene oxide spacer between the mesogen and the diacetylene core and shows smectic liquid crystalline textures over a broad temperature range. Monomers containing a tetrametylene-oxide spacer do not show liquid crystallinity as monomers but are intended to result in liquid crystalline polymer.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael A. Schen "New Polydiacetylenes Incorporating Mesogenic Side-Chains", Proc. SPIE 0824, Advances in Nonlinear Polymers and Inorganic Crystals, Liquid Crystals and Laser Media, (4 February 1988);

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