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首页> 外文期刊>Chemistry: A European journal >Orthogonally Self-Assembled Multifunctional Block Copolymers
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Orthogonally Self-Assembled Multifunctional Block Copolymers

机译：正交自组装多功能嵌段共聚物

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摘要

We report the synthesis of telechelic poly(norbornene) and poly-ACHTUNGTRENUNG(cyclooctene) homopolymers by ringopening metathesis polymerization (ROMP) and their subsequent functionalization and block copolymer formation based on noncovalent interactions. Whereas all the poly(norbornene) s contain either a metal complex or a hydrogen-bonding moiety along the polymer side-chains, together with a single hydrogen-bonding-based molecular recognition moiety at one terminal end of the polymer chain. These homopolymers allow for the formation of side-chain-functionalized AB and ABA block copolymers through selfassembly. The orthogonal natures of all side- and main-chain self-assembly events were demonstrated by 1H NMR spectroscopy and isothermal titration calorimetry. The resulting fully functionalized block copolymers are the first copolymers combining both sideand main-chain self-assembly, thereby providing a high degree of control over copolymer functionalization and architecture and bringing synthetic materials one step closer to the dynamic self-assembly structures found in nature.
机译：我们报告通过开环复分解聚合（ROMP）及其随后的功能化和基于非共价相互作用的嵌段共聚物形成来合成远螯聚（降冰片烯）和聚ACHTUNGTRENUNG（环辛烯）均聚物。而所有的聚（降冰片烯）沿着聚合物侧链包含金属络合物或氢键部分，以及在聚合物链的一个末端具有单个基于氢键的分子识别部分。这些均聚物允许通过自组装形成侧链官能化的AB和ABA嵌段共聚物。所有侧链和主链自组装事件的正交性质均通过1H NMR光谱和等温滴定量热法证明。所得的完全官能化的嵌段共聚物是结合侧链和主链自组装的首个共聚物，从而提供了对共聚物官能化和结构的高度控制，并使合成材料更接近自然界中发现的动态自组装结构。

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