木塑复合材料紫外耐老化性能研究进展  

Research progress on ultraviolet anti-aging properties of wood-plastic composites

作　　者：陈航 方海[1] 霍瑞丽[1] CHEN Hang;FANG Hai;HUO Ruili(College of Civil Engineering,Nanjing Tech University,Nanjing 211800,China)

机构地区：[1]南京工业大学土木工程学院,江苏南京211800

出　　处：《南京工业大学学报（自然科学版）》2023年第4期378-385,共8页Journal of Nanjing Tech University(Natural Science Edition)

基　　金：国家重点研发计划(2019YFD1101205)。

摘　　要：木塑复合材料因其外形美观、力学性能优异、对环境友好,被广泛运用于建筑模板、公共设施等领域,但现阶段服役于室外环境中的木塑复合材料存在颜色稳定性差、耐老化性能较弱等问题。本文基于国内外相关学者对木塑复合材料紫外老化性能进行的大量理论分析与试验研究,系统地总结了材料老化后微观形貌、表观颜色、力学性能3个方面的研究进展;并对改善木塑复合材料紫外耐老化性能的措施进行了阐述,其中添加耐老化助剂这一方法经济成本低且效果较好,被广泛研究应用。通过系统综述,总结了现阶段木塑复合材料紫外耐老化性能研究中存在的问题,并对未来发展趋势进行展望,以期促进木塑复合材料的研究与工程应用,满足更多领域日益发展的特殊功能需求。Wood-plastic composites have been widely used in such as building formwork,public facilities and other fields due to their advantages of nice shape,excellent mechanical properties and environmental friendliness.However,structural applications of this material in civil engineering remains very limited due to their weak anti-aging resistance and poor color stability.This paper aimed to systematically summarize the research progress of wood-plastic composites in terms of micro-morphology,apparent color and mechanical properties based on the theoretical analysis and experimental research.A series of approaches were introduced to improve the ultraviolet anti-aging properties of the materials.The test results indicated that adding aging-resistant auxiliaries was an effective method to improve the mechanical behavior of the materials.Moreover,a systematic review of development status,limitations of application and prospects of the wood-plastic composites in the infrastructure field was presented.The results can promote the research and engineering application of composite material structures and satisfy the increasing demand for special functions in more fields.

关 键 词：木塑复合材料 紫外老化 耐老化性能 微观形貌 力学性能 工程应用 

分 类 号：TB332[一般工业技术—材料科学与工程]