Exploring a naturally tailored small molecule for stretchable, self-healing, and adhesive supramolecular polymers.

Exploring a naturally tailored small molecule for stretchable, self-healing, and adhesive supramolecular polymers.
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探索天然定制的小分子,用于可拉伸、自修复和粘合的超分子聚合物

DOI:
10.1126/sciadv.aat8192
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发表时间:
2018-07
期刊:
影响因子:
13.6
通讯作者:
Tian H
Tian H
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhang Q;Shi CY;Qu DH;Long YT;Feringa BL;Tian H

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具有综合性能的超分子聚合物很容易从天然小分子中获得。具有综合功能的聚合物材料需要与其不断扩大的实际应用相匹配,但在复杂材料性能和合成简单化之间总是存在权衡。报道了一种简单有效的合成路线,将生物来源的硫辛酸小分子转化为集加工性、超高延伸性、快速自愈能力和可重复使用的表面粘附性于一体的高性能超分子聚合物材料。这种材料的一步法制备工艺包括在温和的温度下混合三种商用的原料,不需要任何外部溶剂,然后进行冷却过程,得到由三种不同类型的动态化学键交联的动态、高密度和干燥的超分子聚合物网络,它们在网络中的协同作用使这种超分子聚合物材料具有高性能。
A supramolecular polymer with integrated properties is readily obtained from a natural small molecule. Polymeric materials with integrated functionalities are required to match their ever-expanding practical applications, but there is always a trade-off between complex material performances and synthetic simplification. A simple and effective synthesis route is reported to transform a small molecule of biological origin, thioctic acid, into a high-performance supramolecular polymeric material, which combines processability, ultrahigh stretchability, rapid self-healing ability, and reusable adhesivity to surfaces. The proposed one-step preparation process of this material involves the mixing of three commercially available feedstocks at mild temperature without any external solvent and a subsequent cooling process that resulted in a dynamic, high-density, and dry supramolecular polymeric network cross-linked by three different types of dynamic chemical bonds, whose cooperative effects in the network enable high performance of this supramolecular polymeric material.
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