木塑复合材料老化机理及耐老化性能提升研究进展  

Research Progress in Aging Mechanism and Aging Resistance of Wood-Plastic Composites

作　　者：张晓敏[1] 王欣[1,2] 胡建鹏 Zhang Xiaomin;Wang Xin;Hu Jianpeng(College of Materials Science and Art Design,Inner Mongolia Agricultural University,Hohhot 010018,China;Inner Mongolia Autonomous Region Key Laboratory for Sand Shrubs Fibrosis and Energy Development and Utilization,Hohhot 010018,China)

机构地区：[1]内蒙古农业大学材料科学与艺术设计学院,呼和浩特010018 [2]内蒙古自治区沙生灌木资源纤维化和能源化开发利用重点实验室,呼和浩特010018

出　　处：《世界林业研究》2023年第4期64-69,共6页World Forestry Research

基　　金：内蒙古自治区直属高校基本科研业务费专项“湿热条件下沙柳纤维增强聚乳酸全生物降解复合材料静动态力学性能衰变机制研究”(BR220124);内蒙古自然科学基金项目“湿热循环作用下沙柳纤维增强聚乳酸全生物降解复合材料老化降解机制研究”(2020BS03039);内蒙古农业大学高层次人才引进科研启动项目“沙柳/聚乳酸全生物降解复合材料的研制”(NDYB2016-02)。

摘　　要：木塑复合材料在使用环境中会发生老化降解,直接影响其使用寿命,因此解析木塑复合材料的老化机理、提升其耐老化性能具有重要意义。文中从老化测试方法的角度综述木塑复合材料在自然老化、湿热老化、热氧老化、光老化、溶液老化、霉变腐朽菌老化以及冻融循环老化过程中的老化机理,从化学添加剂、物质填料以及其他工艺方式3个方面综述木塑复合材耐老化性能提升的途径,并针对当前研究中存在的问题展望了相关领域的研究趋势,以期为进一步系统研究木塑复合材老化降解机理、提升耐老化性能提供科学依据。Wood-plastic composites will be subject to aging and degradation during their use,which directly affects its lifespan.It is of great significance to study the aging mechanism and improve aging resistance of wood-plastic composites.The paper reviews the aging mechanism of wood-plastic composites in the process of natural aging,wet heat aging,hot oxygen aging,light aging,solution aging,mold decay bacteria aging and freeze-thaw cycle aging from the perspective of aging testing methods,and summarizes the approaches to improving the aging resistance of wood plastic composite in terms of chemical additives,material fillers and other processes.In view of the problems arising in the current research,the prospects of the research in related fields are discussed in order to provide a scientific basis for further systematic research on the aging degradation mechanism of wood-plastic composites and improve the aging resistance.

关 键 词：木塑复合材料 老化方法 降解机理 耐老化 

分 类 号：S784[农业科学—林学] TQ321.5[化学工程—合成树脂塑料工业]