离子液体改性的多模态抗菌纤维素水凝胶的制备及其性能研究

逯璞昂; 杨苗秀; 张丽静; 鲁宾; 徐甜甜; 钱立伟; 宋文琦; 黄举; 刘振华; 张景雯

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Preparation and Performance Study of Multimodal Antibacterial Cellulose Hydrogels Modified by Ionic Liquids

Received:July 08, 2025 Revised:July 29, 2025

DOI：10.11981/j.issn.1000-6842.2025.04.83

Key Words:cellulose hydrogel;antibacterial;photothermal performance;ionic liquid

Fund Project:国家自然科学基金青年基金项目（22323083）；陕西省教育厅科学研究计划青年创新团队项目（24JP198）。

Author Name	Affiliation	Postcode
LU Pu’ang^*	College of Bioresources Chemical & Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
YANG Miaoxiu^*	China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102	100102
ZHANG Lijing	College of Bioresources Chemical & Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
LU Bin	Zhejiang Jingxing Paper Industry Co.， Ltd.， Pinghu， Zhejiang Provice， 314214	314214
XU Tiantian	College of Bioresources Chemical & Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
QIAN Liwei^*	College of Bioresources Chemical & Materials Engineering， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021	710021
SONG Wenqi^*	Technological Institute of Materials & Energy Science （TIMES）， Xijing University， Xi’an， Shaanxi Province， 710123	710123
HUANG Ju	China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102	100102
LIU Zhenhua	China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102	100102
ZHANG Jingwen	China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102	100102

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Abstract:

This paper designed and synthesized copper/nickel-coordinated imidazolium ionic liquids (denoted as IL/Cu and IL/Ni， respectively) and further investigated their properties. Multifunctional cellulose hydrogels， designated as CH-CTA-PIL/Cu and CH-CTA-PIL/Ni， were successfully fabricated via a grafting polymerization strategy. The results showed that resulting hydrogels exhibited exceptional photothermal responsiveness under 808 nm near-infrared (NIR) irradiation， achieving a temperature elevation of 27 ℃， along with favorable thermal stability. Antibacterial evaluation demonstrated their effective inhibition of S.aureus and E.coli growth both with and without light exposure， antibacterial rates of these hydrogels exceeded 96% and 99% against S.aureus and E.coli， respectively， under NIR irradiation. Cytotoxicity analysis indicated excellent biocompatibility of these hydrogels with NIH3T3 cells.

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