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Self-healing of high elasticity block copolymers

机译：高弹性嵌段共聚物的自修复

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摘要

A new route for adding self-healing properties to soluble polymers is presented briefly. Self-healing block copolymers (polystyrene-block-polybutadiene block-polystyrene from Sigma-Aldrich) were obtained by dissolving the polymer in a solvent that neither dissolves the microbubbles nor deactivate the Grubbs catalyst. The self-healing block copolymer has been obtained by mixing the polymer, the solvent, the microbubbles filled with monomer (dicyclopentadiene), and the Grubbs' catalyst followed by the evaporation of the solvent. The structure of self-healed high elasticity block copolymer has been investigated by optical and Scanning Electron Microscopy. Raman spectroscopy and mechanical data suggested that the block copolymer exhibits self-healing features.
机译：简要介绍了为可溶性聚合物增加自愈性能的新途径。通过将聚合物溶解在既不溶解微泡也不使格鲁布斯催化剂失活的溶剂中，获得自修复嵌段共聚物（来自Sigma-Aldrich的聚苯乙烯-嵌段-聚丁二烯嵌段-聚苯乙烯）。通过将聚合物，溶剂，填充有单体（二环戊二烯）的微泡和Grubbs催化剂混合，然后蒸发溶剂，可以得到自修复嵌段共聚物。通过光学和扫描电子显微镜研究了自修复的高弹性嵌段共聚物的结构。拉曼光谱和力学数据表明，该嵌段共聚物表现出自修复特征。

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