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首页> 外文期刊>ACS Macro Letters >Self-Organized Columnar Phase of Side-Chain Liquid Crystalline Polymers: To Precisely Control the Number of Chains Bundled in a Supramolecular Column
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Self-Organized Columnar Phase of Side-Chain Liquid Crystalline Polymers: To Precisely Control the Number of Chains Bundled in a Supramolecular Column

机译:侧链液晶聚合物的自组织柱状相:要精确控制超分子柱中捆绑的链数

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摘要

Self-organization of liquid crystalline (LC) poly- acetylene derivatives (PAs) bearing hemiphasmid side-chains was investigated. The synthesized PAs can form smectic and columnar phases, depending on the constitutions of side chains. With a nanosegregation structure, the columnar phase of PAs takes a bundle of chains as its building block, of which the chain number is precisely determined by the volume fraction of the rigid component in PAs. The “precise multi-chain column” can be understood using a mean field theory, from which the deduced number of chains in the supramolecular column agrees well with the experimental result. This study reveals that the volume fraction of the rigid component plays a significant role in the self-organization of side-chain LC polymers, which is valuable for the rational design of macromolecules with precisely ordered structures.
机译:研究了带有半噬菌体侧链的液晶(LC)聚乙炔衍生物(PAs)的自组织。取决于侧链的组成,合成的PA可以形成近晶相和柱状相。在纳米偏析结构中,PA的柱状相以一束链为基础,其链数由PA中刚性组分的体积分数精确确定。可以使用平均场理论来理解“精确的多链柱”,从中可以推断出超分子柱中的链数与实验结果非常吻合。这项研究表明,刚性组分的体积分数在侧链LC聚合物的自组织中起着重要作用,这对于合理设计具有精确有序结构的大分子非常有价值。

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