Zhulina Ekaterina B, Sheiko Sergei S, Borisov Oleg V
Institute of Macromolecular Compounds of the Russian Academy of Sciences, 199004 St. Petersburg, Russia.
Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA.
ACS Macro Lett. 2019 Sep 17;8(9):1075-1079. doi: 10.1021/acsmacrolett.9b00498. Epub 2019 Aug 14.
Theory of microphase segregation in the melt of diblock copolymers comprising two strongly incompatible blocks of similar or different topologies is developed. The spectrum of considered architectures include copolymers with arbitrary combinations of bottlebrush-like, dendritic, cycled blocks, and so on. Our theory provides quantitative predictions of how the morphology of the microphase segregated structures can be controlled not only by the volume fractions of the incompatible blocks, but also by their architecture. These predictions open perspectives for developing new materials, for example, photonic crystals, with independently adjustable volume fractions and morphology of the domains.
我们提出了一种关于由两个具有相似或不同拓扑结构且高度不相容的嵌段组成的二嵌段共聚物熔体中的微相分离理论。所考虑的结构谱包括具有刷状、树枝状、环状嵌段等任意组合的共聚物。我们的理论不仅可以定量预测微相分离结构的形态如何由不相容嵌段的体积分数控制，还可以由它们的结构控制。这些预测为开发新材料（例如光子晶体）开辟了前景，这些新材料的域的体积分数和形态可以独立调节。
