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首页> 外文期刊>Angewandte Chemie >Rotaxane Building Blocks bearing Blocked Isocyanate Stoppers: Polyrotaxanes through Post-Assembly China Extension
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Rotaxane Building Blocks bearing Blocked Isocyanate Stoppers: Polyrotaxanes through Post-Assembly China Extension

机译：带有封闭的异氰酸酯塞子的轮烷构建基块：通过组装后中国扩展的聚轮烷

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摘要

Given the high cost of introducing new chemical building blocks, an important challenge for the development of new functional polymers is to try to assemble existing cheap monomeric building blocks in new ways, by using novel types of molecular-level architectures to improve characteristics and provide "added value". For instance, it is thought that by incorporating rotaxanes into macromolecules, some of the properties seen for rotaxanes in solution (that is, the ability to switch, shuttle, or alter shape) could be transferred across to the solid state where easier handling and processibility might provide the basis for new types of "smart" materials and/or molecular-based devices. However, relatively few strategies for polyrotaxane synthesis are suitable for making mechanically interlocked derivatives of commercial polymers on a practical scale.
机译：鉴于引入新的化学构件的成本很高，开发新的功能聚合物的一项重要挑战是尝试通过使用新型分子水平体系结构来改善特性并提供“附加价值”。例如，人们认为通过将轮烷与大分子结合，溶液中轮烷的某些特性（即转换，穿梭或改变形状的能力）可以转移到固态，从而更易于处理和加工。可能为新型“智能”材料和/或基于分子的设备提供基础。然而，用于聚轮烷合成的相对较少的策略适合于在实际规模上制备商业聚合物的机械互锁的衍生物。

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