低共熔凝胶、其制备方法及其应用
By polymerizing acrylamide monomers, acrylic monomers, and crosslinking agents in a eutectic solvent and adding cellulose nanocrystals, a eutectic gel was prepared that solved the environmental stability and mechanical property problems of traditional gels, enabling high-performance sensor applications and recyclability.
CN119775494BActive Publication Date: 2026-07-17天津大学浙江研究院
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 天津大学浙江研究院
- Filing Date
- 2024-12-31
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Traditional gel sensors suffer from poor environmental stability, weak mechanical properties, and are not recyclable.
Method used
A eutectic gel was prepared by polymerizing acrylamide monomers, acrylic monomers, and crosslinking agents in a eutectic solvent and adding cellulose nanocrystals. The selective toughening effect of cellulose nanocrystals in different phases was utilized, combined with the conductivity and environmental stability of the eutectic solvent.
Benefits of technology
The prepared eutectic gel exhibits excellent environmental stability, mechanical properties, and dual temperature and strain response characteristics, and is recyclable.
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Figure CN119775494B_ABST
Abstract
本发明公开了一种低共熔凝胶、其制备方法及其应用，低共熔凝胶至少包括：由丙烯酰胺类单体、丙烯酸类单体和交联剂在低共熔溶剂中聚合得到的聚体；所述聚体中还添加有纤维素纳米晶。制备方法为准备低共熔溶剂；至少将丙烯酰胺类单体、丙烯酸类单体、交联剂和纤维素纳米晶加入到低共熔溶剂中，混匀；进行聚合反应，得低共熔凝胶。本发明利用与低共熔溶剂相容性不同的两种聚合物单体共聚，制备得到具有相分离的低共熔凝胶，同时利用与低共熔凝胶中两相具有不同相互作用的纤维素纳米晶作为增韧剂，有效增强了低共熔凝胶的机械性能，而且低共熔凝胶具有温度、应变双重响应特性，环境稳定性好。
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