木质纤维素功能材料的研究进展

Research progress of lignocellulosic multifunctional materials

木材独特的多层级结构、优异的各向异性结构、良好的力学性能和微纳米通道,赋予其一系列非凡的性能,为功能材料的设计提供了更多可能。为提高木质纤维素资源的利用率和高值化转化,基于木质纤维素自身结构和理化性能,概述了木质纤维素在系列功能材料领域的发展,总结了结构设计及调控对木质纤维素功能材料性能的影响,综述了其在结构调控材料、生物降解塑料、纳米流体材料、仿生生物材料及再生纤维素纤维方面的研究进展,指出其所面临的挑战以及未来发展方向,以期为木质纤维素的高值化转化和拓展其现代化应用提供理论参考。

The unique material structure,pronounced anisotropy,good mechanical properties,and micro/nano channels of nature wood endow the wood material with many remarkable properties,providing opportunities for the design of functional materials.In order to improve the utilization and high value transformation of lignocellulose,this review summarized the development of lignocellulose functional materials in view of the structure and the physical/chemical properties of lignocellulose.The effects of structural design and regulation on the properties of lignocellulosic functional materials were scrutinized.The research progress in using lignocellulosic multifunctional fiber materials as structural lightweight materials,biodegradable materials,nanofluids/energy materials,biological materials and textile materials in recent years was reviewed,and the challenges were discussed.The future development direction is proposed to provide theoretical basis and technical support for the high value transformation of lignocellulose and its modern application.