纺织学报 ›› 2022, Vol. 43 ›› Issue (12): 1-7.doi: 10.13475/j.fzxb.20220301907

• 纤维材料 •    下一篇

基于液态光子晶体固定化的柔性结构生色膜制备及其性能

高益平1, 李义臣1,2, 王晓辉1, 刘国金1,3, 周岚1,3, 邵敏1,3, 邵建中1,3()   

  1. 1.浙江理工大学 生态染整技术教育部工程研究中心, 浙江 杭州 310018
    2.苏州大学 纺织与服装工程学院, 江苏 苏州 215021
    3.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, 浙江 杭州 310018
  • 收稿日期:2022-03-04 修回日期:2022-09-19 出版日期:2022-12-15 发布日期:2023-01-06
  • 通讯作者: 邵建中
  • 作者简介:高益平(1997—),男,硕士。主要研究方向为光子晶体结构生色材料。
  • 基金资助:
    国家自然科学基金项目(51773181);国家自然科学基金项目(52003242);浙江省自然科学基金项目(LY20E030006);浙江省公益技术研究项目(LGC20E030001)

Preparation and properties of flexible structural color film based on immobilization of liquid photonic crystals

GAO Yiping1, LI Yichen1,2, WANG Xiaohui1, LIU Guojin1,3, ZHOU Lan1,3, SHAO Min1,3, SHAO Jianzhong1,3()   

  1. 1. Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
    2. College of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215021, China
    3. Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
  • Received:2022-03-04 Revised:2022-09-19 Published:2022-12-15 Online:2023-01-06
  • Contact: SHAO Jianzhong

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摘要：

针对光子晶体材料结构稳定性较差的问题,以光固化型单体取代常规组装介质水制备液态光子晶体,通过紫外光聚合固化构建纳米微球嵌入弹性体式的非密堆积阵列光子晶体,制备结构稳定的柔性光子晶体结构生色膜,并对其结构和性能进行分析。结果表明:液态光子晶体的光学性质可通过胶体体系中SiO2纳米微球的体积分数及其粒径进行调控,随SiO2体积分数由22%增大至40%,其微球间的平均间距逐渐减小,液态光子晶体结构色蓝移;固定SiO2微球体积分数,当其粒径由123 nm增加至178 nm时,液态光子晶体结构色红移;液态光子晶体色彩鲜艳、饱和度高,经紫外光辐照后,所构建的固态光子晶体膜具有明显的虹彩效应和优异的柔韧性,并表现出显著的力致变色性能,展示了其在智能可穿戴纺织材料领域良好的应用潜能。

关键词: 液态光子晶体, 结构色, 光固化, 结构生色膜, 柔韧性, 力致变色, 纺织基材

Abstract:

Aiming at the poor structural stability of photonic crystal materials, photo-curable flexible monomers were used to replace conventional assembly medium of water to prepare liquid photonic crystals. A non-close-packed photonic crystals array was built with SiO2 nanospheres embedded in an elastomer polymerized by UV-curing, to produce a flexible photonic crystals film with structural stability. The optical properties of liquid photonic crystals were regulated and controlled by the volume fraction of SiO2 nanospheres in the colloidal system and the particle size of SiO2 nanospheres. It is revealed that as the volume fraction of SiO2 nanospheres increases from 22% to 40%, the average spacing between the microspheres gradually decreases, and the structure color shifts to blue accordingly, while fixing the volume fraction of SiO2 nanospheres causes the structural color shifts to red when increasing the particle size of SiO2 nanospheres from 123 nm to 178 nm. The liquid photonic crystals show bright color with high saturation, and after ultraviolet irradiation the target product of solid photonic crystals film shows obvious iridescent effect and excellent flexibility. The results indicate excellent force-induced color change performance and a promising application potential in the field of smart wearable textile materials.

Key words: liquid photonic crystal, structural color, photo-curing, structural color film, flexibility, mechanochromic, textile substrate

中图分类号: 

  • TS193.5

图1

SiO2/PHEA液态光子晶体光学性质的调控"

图2

LPCs的动态恢复性"

图3

SiO2/P(PHEA)柔性光子晶体结构生色膜的制备"

图4

SiO2/P(PHEA)光子晶体结构表面和截面的SEM照片"

图5

柔性光子晶体结构色膜的力致变色性能"

图6

柔性光子晶体结构生色织物的虹彩效应"

图7

卷曲及拉伸状态下的结构生色织物"

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