Structural color in nature provides a new strategy for eco-friendly colorization. Biomimetic construction of amorphous photonic crystals (APCs) on the substrate surface can form a specific non-iridescent structural color, which can be widely used in textile, paint and other fields. However, the APCs structural color has the shortcomings of dim color and poor colorfastness, which restrict the industrial application. In this study, base on the structural design of APCs building blocks, a novel copolymer containing reactive epoxy groups of poly (styrene-co-glycidyl methacrylate) (P(St-co-GMA)) was synthesized, which was used for fabricating APCs structural color by rapid spray coating method. P(St-co-GMA) nanospheres with different particle diameters can be self-assembled into APCs showing different crack-free structural colors. This research reports for the first time that the polymer nanospheres with two different particle diameters were synthesized by one-pot polymerization to enhance the color brightness of structural color. P(St-co-GMA) nanospheres structural colorized fabrics showed excellent colorfastness, flexibility and air permeability. This research promotes the industrial application of structural color for the rapid larger-scale fabrication of APCs with excellent colorfastness on substrates through the synthesis of polymer nanospheres with reactive epoxy groups.

中文翻译：

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仿生制造具有优异色牢度的非虹彩结构彩色涂层，可实现纺织品的快速大规模着色

自然界的结构色为环保着色提供了新的策略。非晶光子晶体（APC）在基材表面的仿生构建可以形成特定的非虹彩结构色，可广泛应用于纺织、涂料等领域。然而APCs结构色存在颜色暗淡、色牢度差的缺点，限制了其工业应用。本研究基于APCs构建单元的结构设计，合成了一种含有反应性环氧基团的聚(苯乙烯-共-甲基丙烯酸缩水甘油酯)(P(St-co-GMA))新型共聚物，用于制备APCs采用快速喷涂法进行结构着色。不同粒径的P(St-co-GMA)纳米球可以自组装成显示不同无裂纹结构颜色的APC。该研究首次报道通过一锅聚合法合成两种不同粒径的聚合物纳米球，以增强结构色的颜色亮度。 P(St-co-GMA)纳米球结构彩色织物表现出优异的色牢度、柔韧性和透气性。这项研究通过合成具有反应性环氧基团的聚合物纳米球，促进了结构色的工业应用，以快速大规模地制造在基材上具有优异色牢度的APC。