纳米氧化锌改性纤维筋用环氧树脂的老化性能研究  

Study on Aging Properties of Epoxy Resin Modified byNano-Zinc Oxide for Fiber Reinforcement

作　　者：熊宇鹏 李常胜 郭书辉 曹海琳 翁履谦 XIONG Yupeng;LI Changsheng;GUO Shuhui;CAO Hailin;WENG Lyuqian(Shenzhen Aerospace New Material Technology Co.,Ltd.,Shenzhen 518057,China;Harbin Institute of Technology(Shenzhen),Shenzhen 518055,China)

机构地区：[1]深圳市航天新材科技有限公司,广东深圳518057 [2]哈尔滨工业大学(深圳),广东深圳518055

出　　处：《河南化工》2024年第1期8-12,共5页Henan Chemical Industry

基　　金：广东省重点领域研发计划项目(2019B111107001)。

摘　　要：通过添加一定比例的纳米氧化锌材料与UV-329、UV-531等紫外吸收剂复合改性环氧树脂,研究改性树脂材料的力学性能和抗紫外线老化的性能。实验表明:引入多官能团的酸酐体系有较好的抗湿热老化性能;添加适量的紫外吸收剂和纳米氧化锌能有效降低树脂基体对紫外光的吸收,并且不会影响树脂的固化程度,紫外加速老化360 h后,改性树脂弯曲强度保持率优于未改性树脂。Epoxy resin is modified by adding a certain proportion of nano zinc oxide material and UV absorbers such as UV-329 and UV-531.The mechanical properties and anti-ultraviolet aging properties of modified resin materials are studied.Experiments show that the anhydride system with multi-functional groups has better resistance to hygrothermal aging performance.Adding an appropriate amount of ultraviolet absorber and nano zinc oxide can effectively reduce the absorption of ultraviolet light by the resin matrix,and does not affect the curing degree of the resin.After UV accelerated aging for 360 h,the flexural strength retention rate of the modified resin is better than that of the unmodified resin.

关 键 词：环氧树脂 纳米复合材料 UV吸收剂 紫外老化 

分 类 号：TB383[一般工业技术—材料科学与工程] TQ326.6[化学工程—合成树脂塑料工业]