纺织基材上P(St-MAA)/WPU复合光子晶体生色结构的快速制备及其性能  

Rapid preparation and properties of P(St-MAA)/WPU composite photoniccrystal color-generating structure on textile substrate

作　　者：何文玉 高雅芳 张耘箫 金梦婷 周岚[1,2] 王相林 刘国金[1,2] HE Wenyu;GAO Yafang;ZHANG Yunxiao;JIN Mengting;ZHOU Lan;WANG Xianglin;LIU Guojin(Zhejiang Provincial Key Laboratory of Fiber Materials and Manufacturing Technology,Zhejiang Sci-Tech University,Hangzhou 310018,China;Key Laboratory of Advanced Textile Materials and Manufacturing Technology,Ministry of Education,Zhejiang Sci-Tech University,Hangzhou 310018,China;Xinghua Dadilan Silk Spinning Textile Co.,Ltd.,Taizhou 225700,China)

机构地区：[1]浙江理工大学浙江省纤维材料和加工技术研究重点实验室,杭州310018 [2]浙江理工大学先进纺织材料与制备技术教育部重点实验室,杭州310018 [3]兴化市大地蓝绢纺有限公司,江苏泰州225700

出　　处：《现代纺织技术》2022年第2期159-168,共10页Advanced Textile Technology

基　　金：国家自然科学基金项目(52003242);浙江省自然科学基金项目(LQ19E030022,LY20E030006);浙江理工大学科研启动基金项目(18012212-Y);2020年国家级大学生创新创业训练计划项目;2019年泰州市高层次创新创业人才(团队)引进计划。

摘　　要：为快速制备兼顾结构色效果和结构稳定性的光子晶体生色结构,提出了一种采用填充法制备复合光子晶体的方法。先将聚(苯乙烯-甲基丙烯酸)(P(St-MAA))胶体微球预组装液喷涂于涤纶基材上制备光子晶体,再利用水性聚氨酯(WPU)对P(St-MAA)光子晶体上进行二次喷涂,最终得到P(St-MAA)/WPU复合光子晶体。探究WPU质量分数对光子晶体排列、结构色效果、结构稳定性的影响,并分析P(St-MAA)/WPU复合光子晶体的光学性能。结果表明:喷涂WPU不会破坏光子晶体原有的规整排列,其会优先渗入P(St-MAA)微球间的缝隙中,逐渐替代原光子晶体内中的空气,最终实现对P(St-MAA)微球的包裹;WPU的填充使得P(St-MAA)/WPU复合光子晶体的平均折射率增加,结构色色相产生红移现象;P(St-MAA)/WPU复合光子晶体的结构稳定性高于P(St-MAA)光子晶体,且WPU的质量分数越大,稳定性改善程度越明显;喷涂WPU后所得的复合光子晶体结构仍呈现出良好的结构色效果且虹彩效应明显。研究结果为在纺织基材上快速制备兼具鲜艳结构色和稳定结构的光子晶体提供了简便方法,可推动光子晶体生色结构的实际应用。In order to quickly prepare a photonic crystal color-generating structure with both good structural color effects and high structural stability,a filling method is put forward to fabricate composite photonic crystals.First of all,the pre-assembly solution of poly(styrene-methacrylic acid)(P(St-MAA))colloidal microspheres is sprayed on the polyester substrate to obtain photonic crystals,and then waterborne polyurethane(WPU)is sprayed on these P(St-MAA)photonic crystals.Finally,P(St-MAA)/WPU composite photonic crystals are obtained.The impact of the mass fraction of WPU on the arrangement of photonic crystals,structural color effects,and structural stability are investigated and optical properties of P(St-MAA)/WPU composite photonic crystals are analyzed.The results show that spraying WPU doesn’t cause damage to the original regular arrangement of photonic crystals,but infiltrates into the gap between P(St-MAA)microspheres preferentially,gradually replaces air in the original photonic crystals,and finally wraps P(St-MAA)microspheres.The filling of WPU increases the mean refractive index of the P(St-MAA)/WPU composite photonic crystals,leading to a red shift in the hue of structural color.The structural stability of P(St-MAA)/WPU composite photonic crystal is superior to that of P(St-MAA)photonic crystals.Moreover,the greater mass fraction of WPU,the more obviously the stability is improved.The composite photonic crystals obtained by spraying WPU still show good structural color effects and obvious iridescent effects.The research findings provide a simple method for rapid preparation of photonic crystals with bright structural colors and stable structures on textile substrates,and effectively facilitate the practical application of photonic crystal color-generating structure.

关 键 词：光子晶体 结构色 稳定性 水性聚氨酯(WPU)溶液 聚(苯乙烯-甲基丙烯酸) (P(St-MAA)) 胶体微球 

分 类 号：TS193[轻工技术与工程—纺织化学与染整工程]