植物纤维具有来源广泛、成本低廉、可再生、可降解等诸多优点,广泛应用于生物复合材料。但是植物纤维表面存在大量羟基基团,与树脂基体相容性差,因此提高纤维与基体之间的界面粘结强度对于提高植物纤维生物复合材料力学性能具有重要作用。总结了近年来植物纤维生物复合材料界面改性的研究进展,重点介绍了植物纤维表面改性、基体树脂改性和相容剂法,并展望了植物纤维生物复合材料未来的发展方向。
Plant fibers have many advantages,such as wide source,low cost,renewability and degradability,and are widely used in biocomposites.However,there are a large number of hydroxyl groups on the surface of plant fibers,leading to poor compatibility with resin matrix.Therefore,it is important for improving the interfacial adhesion strength between fibers and matrix to enhance the mechanical properties of biocomposites.The recent research progress on interfacial modification of plant fiber biocomposites,with the emphasis on surface modification of plant fiber,matrix resin modification and compatibilizer method,was summarized,and the future development direction of plant fiber biocomposites was prospected.
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