This review is about sisal fiber,construction,properties and application of short sisal fiber rein- forced composites.The review of sisal fiber mostly includes the compendium of sisal fiber and the comparison with other fibers,the method of surface treatment and the token for sisal fiber.The review of short sisal fiber reinforced composites mostly includes the study of short sisal fiber reinforced thermoplastic resin,thermosetting resin,rubber, cement,gypsum and other matrix composites.

Acrylic acid was grafted onto PP and sisal fiber (SF), and SF/PP, SF/PP-g-AA and SF-g-AA/PP composites were prepared by means of sheet laminated moulding, the mechanical properties of the composites were measured and the morphology of the fractured section of the composite was studied The results showed that the comprehensive mechanical properties of SF/PP-g-AA were much better than those of SF/PP composite, while the comprehensive mechanical properties of SF-g-AA/PP were worse than those of SF/PP composite

采用含氟防水剂和硅烷偶联剂对剑麻纤维进行表面处理.通过扫描电镜(SEM)、热重分析(TG)、红外光谱(IR)、X-射线光电子能谱(XPS)和表面张力试验等手段表征了处理前后的剑麻纤维表面状况和热性能的变化.结果表明,防水剂与剑麻纤维的作用主要以化学作用为主,并使得剑麻纤维束的结合力减弱,但是防水剂能有效地降低剑麻纤维的吸水性.KH-550与剑麻纤维的作用主要以物理作用为主,并使得剑麻纤维束结合得更紧

采用片状层压工艺制备了短切剑麻纤维(SF)/聚丙烯(PP)复合材料,用高级仪器化摆锤冲击试验机对复合材料的冲击过程进行了全面分析,并借助扫描电子显微镜对复合材料的冲击破坏断口进行观察.结果表明:当SF的长度为20 mm、wpp=30%时,SF对PP的增韧效果最好.采用短切SF增强PP基体,可使复合材料断裂过程吸收的能量增加,裂纹扩展缓慢,断裂后期吸收能量增大.

本文介绍了剑麻纤维(SF)增强聚丙烯(PP)复合材料的制备方法,测定了不同纤维长度下,采用不同PP含量复合材料的无缺口冲击强度、弯曲强度和弯曲模量,并借助扫描电子显微镜对SF/PP复合材料的无缺口冲击破坏断口进行观察.结果表明,在一定范围内增加纤维长度和降低基体含量有利于复合材料力学性能的提高.