Preparation and Properties of Multi-responsive Double-network Photonic Crystal Hydrogels

Chao Zhang; Guang-na Feng; Tao Chen; Fei Chen; Hai-li Zhao

doi:10.11777/j.issn1000-3304.2026.26084

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Preparation and Properties of Multi-responsive Double-network Photonic Crystal Hydrogels

更新时间：2026-07-27

- Preparation and Properties of Multi-responsive Double-network Photonic Crystal Hydrogels
- Acta Polymerica Sinica Pages: 1-11(2026)
- 作者机构：
  
  昆明理工大学化学工程学院昆明 650504
- 作者简介：
  
  Hai-li Zhao, E-mail: hlzhao@kust.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2026.26084
  CLC：
- CSTR：32057.14.GFZXB.2026.7637
- Received：21 March 2026，
  
  Accepted：26 May 2026，
  
  Online First：27 July 2026，
- 稿件说明：
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章超, 冯光娜, 陈涛, 陈飞, 赵海利. 多重响应型双网络光子晶体水凝胶的制备及性能. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26084.

Zhang, C.; Feng, G. N.; Chen, T.; Chen, F.; Zhao, H. L. Preparation and properties of multi-responsive double-network photonic crystal hydrogels. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26084.
章超, 冯光娜, 陈涛, 陈飞, 赵海利. 多重响应型双网络光子晶体水凝胶的制备及性能. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26084. DOI： CSTR： 32057.14.GFZXB.2026.7637.

Zhang, C.; Feng, G. N.; Chen, T.; Chen, F.; Zhao, H. L. Preparation and properties of multi-responsive double-network photonic crystal hydrogels. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26084. DOI： CSTR： 32057.14.GFZXB.2026.7637.

摘要

以丙烯酸(AA)、丙烯酰胺(AM)为聚合反应单体，壳聚糖季铵盐(QCS)为第二网络组分制备由P(AA-

-AM)第一网络和QCS第二网络构成的双网络水凝胶膜，采用扫描电子显微镜(SEM)和万能拉伸试验机对所制备水凝胶膜的表面形貌和力学性能进行表征分析，结果表明双网络结构能够有效增强水凝胶在干燥过程中的抗收缩及抗破损能力，且双网络间的协同增强效应能显著提升水凝胶的断裂韧性与抗拉强度；同时，QCS的引入还能在有效抑制水凝胶过度溶胀的同时增强其保水性能. 采用改进的Stöber方法合成SiO

纳米颗粒，之后通过垂直沉积法和模板刻蚀法依次制备SiO

光子晶体模板和双网络光子晶体水凝胶膜，该膜能够响应拉伸应变而呈现出明显的结构色变化. 通过在反应体系引入苯硼酸以赋予水凝胶膜多重刺激响应特性，结果表明所制备的光子晶体水凝胶膜可通过结构色变化实现对糖溶液的可视化检测. 得益于优异的力学性能以及对机械力和糖类物质的双重响应特性，本研究所制备的光子晶体水凝胶在可穿戴器件和可视化健康检测等领域展现出巨大的应用前景.

Abstract

A photonic crystal (PC) hydrogel film with a double-network structure and dual-responsive properties was prepared. Using acrylic acid (AA) and acrylamide (AM) as polymerizable monomers and quaternized chitosan (QCS) as the second-network component

the double network hydrogels composed of the first network of P(AA-

-AM) and the second network of QCS were prepared. Scanning electron microscopy (SEM) and a universal testing machine were used to characteriz

e the surface morphology and mechanical properties of the hydrogel film. The results indicated that the double network structure can effectively prevent shrinkage and damage of the hydrogel in the drying process

thereby enabling it to retain a smooth and intact surface. Besides

the synergistic reinforcement effect between the two networks significantly improves the fracture toughness and tensile strength of the hydrogel film. Meanwhile

the introduction of QCS effectively inhibited excessive swelling and improved the water-retention capacity of the hydrogel. The Stöber method was used to synthesize SiO

nanoparticles

following by fabricating sequentially the SiO

PC template and double network PC hydrogel film

via

vertical deposition and sacrificial template methods. Due to the flexibility of the hydrogel and the photonic band gap of the PC

the prepared film exhibited distinct structural color changes under tensile strain. By introducing phenylboronic acid into the reaction system

the resulting PC hydrogel gained multi-stimulus responsive characteristics

allowing for the visual detection of sugar solutions

via

structural color changes. The prepared PC hydrogel film

with excellent mechanical properties and dual-stimuli-responsive behavior

exhibits great potential for applications in wearable devices and visual health monitoring.

关键词

Keywords

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