木塑复合材料的耐老化性能研究  

Study on the Aging Properties of Wood-Plastic Composites

作　　者：胡晗[1] 吴章康[1] 王云[2] 关成[1] 黄伟[2] 

机构地区：[1]西南林业大学材料工程学院,云南昆明650224 [2]西双版纳华坤生物科技有限公司,云南西双版纳666100

出　　处：《安徽农业科学》2013年第9期3956-3957,3993,共3页Journal of Anhui Agricultural Sciences

基　　金：国家自然科学基金项目(31060098)

摘　　要：木塑复合材料的老化性能直接关系其使用寿命和适用范围。该研究使用稻壳、橡胶木锯末和橡胶籽壳分别与回收聚乙烯混合制备木塑复合材料,通过色差分析、红外光谱分析研究了3种木塑复合材料经荧光紫外老化后表面颜色、化学成分的变化。结果表明,经2 000 h老化后,3种木塑复合材料表面均出现褪色、羰基浓度增大,并随着老化时间增加而增加。其中橡胶籽壳基WPCs的变化最大,稻壳次之,橡胶锯末最小。Aging properties of wood-plastic composites are directly related to its life and application. Rice husk, rubber wood fiber and rubber seed shell were mixed with HDPE respectively to make wood-plastic composites. The changes of surface colors and chemical composition of three different materials subjected to UV weathering were monitored using color analysis and Fourier transform infrared spectroscopy. The re- sults showed that after 2 000 hours aging, the surface of three materials faded and the carbonyl group concentration increased. The changes of the rubber seed shell based WPCs were the biggest, followed by the rice husk and rubber wood fiber.

关 键 词：木塑复合材料 紫外加速 老化性能 

分 类 号：S784[农业科学—林学]