耐紫外聚氨酯研究进展  

Research Progress of UV Resistant Polyurethane

作　　者：田玉 黄高尚 黄淼铭 刘浩[1] 刘文涛[1] 何素芹[1] Tian Yu;Huang Gaoshang;Huang Miaoming;Liu Hao;Liu Wentao;He Suqin(School of materials science and engineering,Zhengzhou University,Zhengzhou 450000,China)

机构地区：[1]郑州大学材料科学与工程学院,郑州450000

出　　处：《工程塑料应用》2022年第7期175-180,共6页Engineering Plastics Application

摘　　要：针对聚氨酯在紫外线照射下易老化黄变的问题,介绍了几种可以提高聚氨酯耐紫外性能的方法和改性添加剂,综述了提高聚氨酯耐紫外老化能力的研究进展。分析表明,通过调整合成聚氨酯的软硬段及比例、在聚氨酯中加入有机类添加剂、纳米功能填料及天然高分子等,聚氨酯的耐紫外性能被大大提高,在户外环境下其耐老化黄变能力显著增强。研究结果对推广聚氨酯在交通运输、航空航天等领域的应用,延长聚氨酯产品的使用寿命具有一定的实践意义。In response to the problem that polyurethane is easy to aging and yellowing under ultraviolet irradiation,several methods and modified additives that can improve the UV resistance of polyurethane were introduced,and the research progress of improving the UV aging resistance of polyurethane was summarized.The analysis shows that by adjusting the soft and hard segments and proportion of synthetic polyurethane,adding organic additives,nano functional fillers and natural polymers into polyurethane,the UV resistance of polyurethane is greatly improved,and its aging and yellowing resistance is significantly enhanced in outdoor environment.The research results have certain practical significance for popularizing the application of polyurethane in transportation,aerospace and other fields and prolonging the service life of polyurethane products.

关 键 词：聚氨酯 耐紫外性能 软硬段比例 有机类添加剂 纳米功能填料 天然高分子 

分 类 号：TQ327.6[化学工程—合成树脂塑料工业]