天然植物纤维复合材料界面改性研究进展

天然植物纤维基复合材料性能优异,但天然植物纤维独特的结构性能,致使其与聚合物复合还存在诸多问题。提高天然植物纤维在聚合物基体中的分散性,增加纤维与聚合物基体的相容性对于提高天然植物纤维复合材料力学性能有着至关重要的作用。概述了天然植物纤维及其复合材料制备在界面改性方面的研究进展,总结了纤维改性对复合材料性能的影响,目前天然植物纤维改性处理的方法主要有热处理法、碱处理法、偶联剂法、酰化法、表面接枝法、复合处理法等。随着天然植物纤维改性研究的不断深入,天然植物纤维基复合材料应用前景将更加广阔。

Progress in Interfacial Modification Methods of Natural Fiber Composites

The performances of natural fiber composites are excellent,but due to the unique structure perfor-mance of natural fiber,there are still many problems about nature fiber composites.It is very important for improving the mechanical properties of the natural fiber composites to increase the dispersion of natural fiber in resin and enhance the interfacial compatibility between natural fiber and resin.The latest research progress of natural fiber interface modification methods and their impacts on the performance of natural fiber composite are summarized.At present the modification methods of natural fiber main include heat treatment method,alkali treatment method,coupling agent method,acylation method,surface grafting method,composite processing method,etc.With the modification research deepening of the natural plant fiber,the natural fiber composite materials will have more broad application prospect.