核碱基功能化的ABC三嵌段共聚物：超分子结构的自组装
Nucleobase-functionalized ABC triblock copolymers: self-assembly of supramolecular architectures.
作者信息
Zhang Keren, Fahs Gregory B, Aiba Motohiro, Moore Robert B, Long Timothy E
机构信息
Department of Chemistry, Macromolecules and Interfaces Institute, Virginia Tech, Blacksburg, VA 24061, USA.
出版信息
Chem Commun (Camb). 2014 Aug 21;50(65):9145-8. doi: 10.1039/c4cc03363a.
RAFT polymerization afforded acrylic ABC triblock copolymers with self-complementary nucleobase-functionalized external blocks and a low-Tg soft central block. ABC triblock copolymers self-assembled into well-defined lamellar microphase-separated morphologies for potential applications as thermoplastic elastomers. Complementary hydrogen bonding within the hard phase facilitated self-assembly and enhanced mechanical performance.
可逆加成-断裂链转移（RAFT）聚合反应制备了丙烯酸ABC三嵌段共聚物，其外部嵌段由具有自互补核碱基功能化修饰，中间是低玻璃化转变温度（Tg）的软质嵌段。ABC三嵌段共聚物自组装形成结构明确的层状微相分离形态，有望用作热塑性弹性体。硬相中互补的氢键促进了自组装并提高了机械性能。
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