The multicontinuous network nature of polymer nanostructures provides them with many opportunities to fabricate multifunctional materials with specific mechanical, transport, optical, and other novel properties. In this paper, we generate an effective design principle to craft a series of multicontinuous network structures with controllable channels, including multicontinuous gyroid and O⁷⁰ network morphologies via the self-assembly of ABC-type block copolymers. Importantly, we achieve a much wider (∼25%) compositional range than that of AB diblock copolymers (∼3%), which would increase the widespread application of these multicontinuous polymer networks. Even for the simplest ABC linear system, this method is valid for generating multicontinuous network structures, where gyroids and O⁷⁰ are found to possess large phase regions. This finding can theoretically explain the experimental observation of gyroid and O⁷⁰ phases. We believe that our proposed design principle along with the calculated phase diagram provides a compelling panacea for the fabrication of multicontinuous 3D network nanostructures.

中文翻译：

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在ABC型嵌段共聚物中增加复杂性的多连续3D网络纳米结构的形成。

聚合物纳米结构的多连续网络性质为它们提供了许多机会来制造具有特定机械，传输，光学和其他新颖特性的多功能材料。在本文中，我们产生了有效的设计原理，以通过ABC型嵌段共聚物的自组装来制造一系列具有可控通道的多连续网络结构，包括多连续回旋和O ⁷⁰网络形态。重要的是，我们实现了比AB二嵌段共聚物（〜3％）更大的组成范围（〜25％），这将增加这些多连续聚合物网络的广泛应用。即使对于最简单的ABC线性系统，该方法也适用于生成多连续网络结构，其中回旋波和发现O ⁷⁰具有大的相区。这一发现可以从理论上解释旋涡和O ⁷⁰相的实验观察。我们相信，我们提出的设计原理以及计算出的相图为制造多连续3D网络纳米结构提供了令人信服的灵丹妙药。