华侨大学学报（自然科学版）2025，Vol.46Issue(6)：654-659,6.DOI:10.11830/ISSN.1000-5013.202509034
抗紫外线涂层延缓氧化石墨烯薄膜光感速率变化
Anti-Ultraviolet Coating for Retards Change in Photosensitive Rate of Graphene Oxide Film
摘要
Abstract
Graphene oxide(GO)was dispersed in a waterborne polyurethane(WPU)matrix by a homogeni-zer,and a GO/WPU photosensitive film was prepared on a mirror stainless steel plate adopting the blade coating process.Subsequently,ultraviolet(UV)absorbers were dispersed in varnish to form an anti-UV var-nish coating on the surface of the GO/WPU photosensitive film,in order to systematically investigate the effects of coating thickness and the types of UV absorbers on the film photosensitive properties.The results show that GO could be uniformly dispersed in the WPU matrix.Compared with the GO/WPU photosensitive film,when UV-531 was used as the UV absorber and the coating thickness was controlled at 0.2 mm,the photosensitive rate of the film was improved significantly,and the photosensitive change time was delayed ob-viously.The anti-UV coating significantly enhanced the hydrophobicity of the film with its water contact angle reaching 80.27°.关键词
氧化石墨烯/水性聚氨酯/光感薄膜/光稳定性/紫外线吸收剂Key words
graphene oxide/waterborne polyurethane/photosensitive film/photostability/ultraviolet absorb-er分类
化学工程引用本文复制引用
杨宇辰,李梓璇,郑南之,蒋展炜,陈国华..抗紫外线涂层延缓氧化石墨烯薄膜光感速率变化[J].华侨大学学报（自然科学版）,2025,46(6):654-659,6.基金项目
国家自然科学基金资助项目(51373055) （51373055）
福建省石墨烯粉体及复合材料工程技术研究中心建设项目(2017H2001) （2017H2001）
福建省厦门市高分子与电子功能材料重点实验室项目(2023-01) （2023-01）
