Photonic Resins: Designing Optical Appearance via Block Copolymer Self-Assembly.,Macromolecules

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Photonic Resins: Designing Optical Appearance via Block Copolymer Self-Assembly.
Macromolecules ( IF 5.1 ) Pub Date : 2018-03-15 , DOI: 10.1021/acs.macromol.7b02288
Dong-Po Song ₁ , Gianni Jacucci ₁ , Feyza Dundar ₂ , Aditi Naik ₂ , Hua-Feng Fei ₂ , Silvia Vignolini ₁ , James J Watkins ₂

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Despite a huge variety of methodologies having been proposed to produce photonic structures by self-assembly, the lack of an effective fabrication approach has hindered their practical uses. These approaches are typically limited by the poor control in both optical and mechanical properties. Here we report photonic thermosetting polymeric resins obtained through brush block copolymer (BBCP) self-assembly. We demonstrate that the control of the interplay between order and disorder in the obtained photonic structure offers a powerful tool box for designing the optical appearance of the polymer resins in terms of reflected wavelength and scattering properties. The obtained materials exhibit excellent mechanical properties with hardness up to 172 MPa and Young's modulus over 2.9 GPa, indicating great potential for practical uses as photonic coatings on a variety of surfaces.

中文翻译：

光子树脂：通过嵌段共聚物自组装设计光学外观。

尽管已经提出了多种通过自组装生产光子结构的方法，但缺乏有效的制造方法阻碍了它们的实际应用。这些方法通常受到光学和机械性能控制不佳的限制。在这里，我们报道了通过刷状嵌段共聚物（BBCP）自组装获得的光子热固性聚合物树脂。我们证明，控制所获得的光子结构中有序和无序之间的相互作用为设计聚合物树脂在反射波长和散射特性方面的光学外观提供了强大的工具箱。所得材料表现出优异的机械性能，硬度高达172 MPa，杨氏模量超过2.9 GPa，表明在各种表面上作为光子涂层具有巨大的实际应用潜力。

更新日期：2018-03-15

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