液晶討論会講演予稿集
Online ISSN : 2432-9959
Print ISSN : 1880-3539
ISSN-L : 1880-3539
第23回 液晶討論会
セッションID: 1AE06
会議情報

半屈曲性高分子鎖の理論 : ヘリックス-コイル転移, ネマチック転移, 相分離の競合
*松山 明彦加藤 忠哉
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抄録
A simple model is introduced to describe phase separations and nematic ordering in solutions and melts of semiflexible polymer chains, taking into account the partial oriecatational ordering of flexible bonds on the chain. We obtain the free energy by combining the Flory-Huggins theory for isotropic solutions and the Maier-Saupe model for describing the coupling between the nematic ordering and straightened bonds. Our theory predicts that the partial stiffening of the fiexible bonds can be a major cause of miscibility gaps showing a bent chimney shape and triple points. We also discuss the extension of chains in a nematic phase.
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© 1997 一般社団法人日本液晶学会
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