纤维素基湿度响应形状记忆材料的研究进展

Research Progress of Cellulose-based Humidity-responsive Shape Memory Materials

关键词:  纤维素  湿度响应  形状记忆性  形变疲劳

Key Words:cellulose  humidity-responsive  shape memory  deformation fatigue

摘要:纤维素制备的湿度响应形状记忆智能材料在湿度传感器、智能穿戴组件、医用植入材料、柔性电子设备等领域具有重要的应用前景。本文综述了纤维素基湿度响应形状记忆材料的形变机理及研究现状，并提出了目前研究面临的问题及材料性能的优化策略。最后，展望了纤维素形状记忆材料未来的发展方向，为后续针对性地精准构筑高湿度敏感性、快速响应、形变稳定的全生物降解型纤维素基形状记忆材料提供借鉴。

Abstract:Humidity-responsive shape memory intelligent materials prepared with cellulose have important application prospects in the fields of humidity sensors， intelligent wearable components， medical implant materials and flexible electronic devices. In this paper， the shape memory mechanism and the recent advances of cellulose-based humidity-responsive shape memory materials were reviewed， and the existing problems and optimization strategies for shape memory properties were put forward. Finally， the development trend of cellulose-based shape memory materials in the future was forecasted， which would provide key reference for more accurate construction of cellulose-based shape memory materials with excellent humidity sensitivity， fast response and deformation stability.