Micron-scale ultrathin two-dimension zirconia nanosheets towards enhancing anticorrosion performance of epoxy coatings
文献类型：CNKI期刊论文
| 作者 | Xin-Ding Lv; Hao-Tong Li; Xiao-Gang Dai; Xiang-Nan Sun; Hai-Yong Zhang; Yan-Zhen Zheng; Xia Tao; Li-Hui Yang |
| 发表日期 | 2021-10-14 |
| 出处 | Tungsten
 |
| 关键词 | Zirconia Anticorrosion Nanosheet Epoxy coating |
| 英文摘要 | Polymer nanocomposite coatings have attracted great interest in the anticorrosion fields due to their excellent properties. Nanofillers are necessary to achieve high anticorrosion performance of the polymer coating. Herein, we report a wet-chemical template strategy to prepare large-size ZrO_2 nanosheets, in which the Zr~(4+) ions are anchored on the surface of a graphene oxide template via electrostatic adsorption, followed by a thermal treatment process to remove graphene. Atomic force microscopy(AFM) and scanning electron microscopy(SEM) images show that the size and thickness of as-prepared ZrO_2 nanosheets are more than 2 μm and ～ 4.5 nm, respectively. The micron-scale ultrathin two-dimension(2 D) ZrO_2 nanosheets, for the first time, are utilized as the anticorrosive fillers in the epoxy coating to reduce the porosity, consequently promoting the gas and water barrier properties of the composite coating. The polymer coating containing 1.0 wt% ZrO _2 nanosheets shows a high initial impedance(89.1 GΩ·cm~2) that can protect the metal substrate from being corroded during long-term immersion(60 days), which is better than that of the reduced graphene oxide(rGO)-incorporated coating and the ZrO_2 nanoparticles-incorporated coating. This work offers valuable insights into the design and preparation of novel and efficient 2 D electric-inert nanofillers for anticorrosion coatings. |
| 文献子类 | CNKI期刊论文 |
| 资助机构 | financially supported by National Natural Science Foundation of China (Grant Nos. 21476019 and 21676017) |
| 卷 | v.3期:04页:93-103 |
| 语种 | 英文; |
| 分类号 | TG174.4 |
| ISSN号 | 2661-8028 |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/187627]  |
| 专题 | 中国科学院海洋研究所 |
| 作者单位 | 1.NavyCoatingsAnalysisandTestCenter 2.StateKeyLaboratoryofOrganic-InorganicComposites,BeijingUniversityofChemicalTechnology 3.ShandongKeyLaboratoryofCorrosionScience,InstituteofOceanology,ChineseAcademyofSciences |
| 推荐引用方式 GB/T 7714 | Xin-Ding Lv,Hao-Tong Li,Xiao-Gang Dai,et al. Micron-scale ultrathin two-dimension zirconia nanosheets towards enhancing anticorrosion performance of epoxy coatings. 2021. |
入库方式： OAI收割
来源：海洋研究所
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