2C01 N-メチルスチルバゾリウム/ジアルキルスルホ琥珀酸イオン対の液晶性と光反応

概要

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Liquid crystallinity and photoreactivity of N-methyl-trans-stilbazolium dialkyl-sulfosuccinate ion complexes were studied. The liquid crystalline phases were identified by thermal analyses, polarized optical microscopy and temperature controlled X-ray diffraction analysis. For example, N-methyl-trans-stilbazolium dioctadecyl-sulfosuccinate ion complex exhibited a smectic-A type liquid crystalline phase at 90-120℃. The XRD analysis revealed the pitch of the layering is 7.3 nm, which supports a bilayer structure with an almost elongated conformation of the alkyl chains. The liquid crystalline and crystalline phases were irradiated by 150 w Xe lamp through UV32 optical filter for 20 minutes. The major product was syn-HH and syn-HT cyclobutane dimmer.
日本液晶学会の論文
2001-09-24