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- W1546521167 abstract "采用两性离子型的催化剂Rh＋[η-C6H5（nbd）B-（C6H5）3]实现了含手征性中心和硫代乙酸酯基的苯乙炔单体的聚合,用红外光谱、核磁共振氢谱和紫外-可见吸收光谱表征了聚合物的结构,证实得到了预期产物.聚合物的重均分子量达到了73200,在氯仿、四氢呋喃、二氯甲烷等有机溶剂中有良好的溶解性能.聚合物热稳定性高,在氮气氛围下热分解温度为336℃,在900℃的高温下有31%的重量残留.用扫描电子显微镜观察发现,在浓度为5.0mg/mL的聚合物氯仿溶液形成的薄膜中有微米长度的棒状有序结构;由浓度为0.5mg/mL的聚合物氯仿稀溶液形成的薄膜表面有晶体析出.用透射电子显微镜观察聚合物在氯仿溶液中缓慢形成的微结构,发现当浓度高于1.0mg/mL时,聚合物在碳膜上形成铺展的薄膜,薄膜由纳米尺寸的丝带状结构取向排列而成;当浓度低于0.5mg/mL时,聚合物形成具有规则几何形态的微晶体.在聚合物热稳定性的显著提高和有序微结构的形成过程中,聚苯乙炔侧链中的手征性中心发挥了关键的作用." @default.
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- W1546521167 date "2009-11-06" @default.
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- W1546521167 title "SYNTHESIS OF POLY{<I>N</I>-[2-(4′-BENZYLTHIOACETATE) PROPIONYL]-<I>p</I>-AMINOPHENYLACETYLENE} AND ITS THERMAL STABILITY AND FORMATION OF ORDERED NANOSTRUCTURE" @default.
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- W1546521167 doi "https://doi.org/10.3724/sp.j.1105.2009.01031" @default.
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