New Polydiacetylenes Incorporating Mesogenic Side-Chains

Michael A. Schen

doi:10.1117/12.941966

4 February 1988 New Polydiacetylenes Incorporating Mesogenic Side-Chains

Michael A. Schen

Proceedings Volume 0824, Advances in Nonlinear Polymers and Inorganic Crystals, Liquid Crystals and Laser Media; (1988) https://doi.org/10.1117/12.941966
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

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.

Citation Download Citation

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); https://doi.org/10.1117/12.941966

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