重庆科技大学学报（自然科学版）2024，Vol.26Issue(4)：39-44,112,7.DOI:10.19406/j.issn.2097-4531.2024.04.005
植酸掺杂型三聚苯胺/氧化石墨烯水性复合涂层耐蚀性能研究
Study on the Corrosion Resistance of Phthalic Acid Doped Polyaniline/Graphene Oxide Waterborne Composite Coatings
摘要
Abstract
The work aims to study the corrosion resistance of phthalic acid doped polyaniline/graphene oxide water-borne composite coatings.GO/PA-AT was prepared by non-covalent functional modification of graphene oxide(GO)with phytic acid-doped trianiline(PA-AT),and GO/PA-AT was added to waterborne polyurethane as fill-er to prepare functionalized graphene oxide waterborne composite coating(GO/PA-AT/WPU).The structure and microstructure of the coating were analyzed by Fourier transform infrared spectroscopy(FTIR)and scanning elec-tron microscopy(SEM).Salt spray test,polarization curve test and adhesion strength test were carried out.The results showed that when the mass ratio of GO to PA-AT in the GO/PA-AT composite was 1∶3 and the addition amount of GO/PA-AT was 0.8 g,the corrosion resistance efficiency of the composite coatings was 99.90%.The adhesion of the coating was 3.57 MPa,and the sample after 168 h of salt spray test was tested for adhesion,and the loss was 38%.The GO/PA-AT/WPU coating had a film hardness of 4 H.The results of the contact angle test showed that the addition of GO/PA-AT made the pure WPU coating increase from 77.3°±1° to 105.4°±0.8°.The phytic acid-doped polyaniline/graphene oxide water-based coatings have good corrosion resistance,which is better than that of pure polyaniline coatings and graphene oxide coatings.关键词
氧化石墨烯/植酸掺杂型三聚苯胺/水性复合涂层/防腐性能Key words
graphene oxide/phthalic acid-doped polyaniline/waterborne composite coatings/corrosion resistance分类
矿业与冶金引用本文复制引用
邱会东,冯含宇,邹奇,宋燚,卢浩..植酸掺杂型三聚苯胺/氧化石墨烯水性复合涂层耐蚀性能研究[J].重庆科技大学学报（自然科学版）,2024,26(4):39-44,112,7.基金项目
重庆市教育委员会科学技术研究项目"三聚氰胺磷酸盐复合型海洋防腐涂料的设计制备与防腐机理研究"(KJQN202101549) （KJQN202101549）
