5 January 2004 Liquid-crystal-assisted engineering of polymer thin films
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The hybridization of different types of materials frequently leads to specific performances and structure formation. Our current interest is focused onto dynamic performances photofunctional polymers assisted by hybridized liquid crystal molecules. In this paper, two current topics undergoing in our laboratory are presented. In the former part, mnolayer formation of hydrophobic polysilanes assisted by polar calamitic liquid crystal molecules is described. This is the first example of monolayer formation of a fully dydrophobic polymer on water. The latter part shows the marked acceleration of lateral mass migration promoted by photoirradiation in azobenzene-containing polymers. Both systems utilize common and general features of liquid crystals, namely, dynamic properties (fluidity) maintaining orientational order in the molecular assemblies. We show herein the high validity of liquid crystals for thin film processing of polymers.
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Takahiro Seki, Shusaku Nagano, Nobuyuki Zettsu, Takashi Ubukata, "Liquid-crystal-assisted engineering of polymer thin films", Proc. SPIE 5213, Liquid Crystals VII, (5 January 2004); doi: 10.1117/12.509180; https://doi.org/10.1117/12.509180

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