Functional supramolecular polymers.

Functional supramolecular polymers.
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DOI:
10.1126/science.1205962
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发表时间:
2012-02-17
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Stupp SI
Stupp SI
中科院分区:
其他
文献类型:
--
作者:
Aida T;Meijer EW;Stupp SI

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超分子聚合物可以是无规和缠结的线圈,具有塑料和弹性体的机械性能,但由于其可逆的单体到聚合物的转变,具有巨大的可加工性、回收和自修复能力。在另一个极端,超分子聚合物可以通过设计的亚基之间的自组装形成,以产生形状持久且高度有序的细丝。利用分子亚基之间强而定向的相互作用不仅可以实现丰富的动态行为,而且可以实现普通聚合物中不存在的高度内部有序性。例如,它们可以类似于细胞骨架的有序且动态的一维超分子组件,并具有有用的生物和电子功能。
Supramolecular polymers can be random and entangled coils with the mechanical properties of plastics and elastomers, but with great capacity for processability, recycling, and self-healing due to their reversible monomer-to-polymer transitions. At the other extreme, supramolecular polymers can be formed by self-assembly among designed subunits to yield shape-persistent and highly ordered filaments. The use of strong and directional interactions among molecular subunits can achieve not only rich dynamic behavior but also high degrees of internal order that are not known in ordinary polymers. They can resemble, for example, the ordered and dynamic one-dimensional supramolecular assemblies of the cell cytoskeleton, and possess useful biological and electronic functions.
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