Marcel Schumacher, Marvin Foith, Manuel Trömer, Nadine Tänzer, Sabine Rosenfeldt, Markus Retsch, André H Gröschel
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引用次数: 0
摘要
聚合物立方体(PCs)是最近出现的一类自组装纳米结构,因其孔隙率高、比表面积大而具有巨大的应用潜力。目前,大多数报道的立方体都是由聚苯乙烯嵌段共聚物(BCP)组成的,人们对其自组装参数了解得比较清楚。改变嵌段化学成分以引入更多功能是可取的,但使自组装过程适应新化学成分的知识仍然有限。这项研究报告了聚环氧乙烷-嵌段-聚(4-乙酰氧基苯乙烯)及其与苯乙烯共聚物的合成过程,并提供了将它们自组装成具有高产率和高内有序性的 PC 的条件。研究表明,起始溶剂对电晕块的极性可以通过控制电晕体积和堆积参数来调整最终形态。
Synthesis and Self-Assembly of Poly(4-acetoxystyrene) Cubosomes.
Polymer cubosomes (PCs) are a recent class of self-assembled nanostructures with great application potential due to their high porosity and surface area. Currently, most reported PCs consist of polystyrene block copolymers (BCPs), for which self-assembly parameters are rather well understood. Changing the block chemistry would be desirable to introduce more functionality; however, knowledge of adapting the self-assembly process to new chemistries remains limited. This work, reports on synthesizing poly(ethylene oxide)-block-poly(4-acetoxystyrene) and its copolymers with styrene, and provide conditions for their self-assembly into PCs with high yield and high inner order. It is shown that the polarity of the starting solvent toward the corona block allows tuning of the final morphology by controlling the corona volume and packing parameter.
期刊介绍:
Macromolecular Rapid Communications publishes original research in polymer science, ranging from chemistry and physics of polymers to polymers in materials science and life sciences.