采用丙烯酸(AA)对木纤维表面进行改性处理,并对改性后的木纤维进行悬浮性测试.将改性处理后的木纤维与不饱和聚酯树脂复合,制备了木纤维增强不饱和聚酯复合材料,对其进行了拉伸和冲击等力学性能测试.结果表明:木纤维含量对复合材料的力学性能影响很大.随着木纤维含量的增加,复合材料的延伸率和拉伸强度均有所提高；当木纤维含量为15％时,改性处理试剂的最佳浓度为0.15 mol/L.此时,材料的延伸率和拉伸强度增加的幅度均趋于平稳,力学性能变化不明显.
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