研究了添加不同颜基比(P/B)纳米Ag·SiO2对环氧树脂涂层在金黄色葡萄球菌环境中防腐性能的影响.利用原子力显微镜(AFM)观察了涂层在金黄色葡萄球菌溶液中浸泡前的表面形貌,测试了涂层浸泡前后的交流阻抗谱(EIS).结果表明:添加纳米Ag·SiO2由于增加了涂层多孔性而导致其阻抗不同程度下降,P/B为0.3％时涂层的阻抗降至106 Ω·cm2以下,基本失去了保护作用;在金黄色葡萄球菌溶液浸泡过程中纳米Ag·SiO2的杀菌作用开始显现,浸泡后未添加纳米Ag·SiO2涂层的耐蚀性能直线下降,而P/B为0.1％时涂层的耐蚀性能基本保持不变.
参考文献
| [1] | Yebra DM;Kiil S;Dam-Johansen K .Antifouling technology - past, present and future steps towards efficient and environmentally friendly antifouling coatings[J].Progress in Organic Coatings: An International Review Journal,2004(2):75-104. |
| [2] | 刘超,付玉彬,郑纪勇.环境友好型防污剂及海洋防污涂料的研究进展[J].材料开发与应用,2009(04):69-74. |
| [3] | Dror-Ehre, A.;Mamane, H.;Belenkova, T.;Markovich, G.;Adin, A. .Silver nanoparticle-E. coli colloidal interaction in water and effect on E. coli survival[J].Journal of Colloid and Interface Science,2009(2):521-526. |
| [4] | Bardi G;Malvindi MA;Gherardini L;Costa M;Pompa PP;Cingolani R;Pizzorusso T .The biocompatibility of amino functionalized CdSe/ZnS quantum-dot-Doped SiO2 nanoparticles with primary neural cells and their gene carrying performance.[J].Biomaterials,2010(25):6555-6566. |
| [5] | Xin-Sheng Zhang;Jie-Xin Wang;Ke Xu;Yuan Le;Jian-Feng Chen .Monodisperse Ag@SiO_2 Core-Shell Nanoparticles as Active Inhibitors for Marine Anticorrosion Applications[J].Journal of nanoscience and nanotechnology,2011(4):3481-3487. |
| [6] | 曹楚南;张鉴清.电化学阻抗谱导论[M].北京:科学出版社,2002 |
| [7] | Zhang F;Liu JJ;Li XY;Gu M .Study of degradation of organic coatings in seawater by using EIS and AFM methods[J].Journal of Applied Polymer Science,2008(3):1890-1899. |
| [8] | CHRISTOPHE L P;COLETTE L;NADINE P .Structure of waterborne coatings by electrochemical impedance spectroscopy and a thermostimulated current method:influence of fillers[J].Progress in Organic Coatings,2000,39(2 -4):167-175. |
| [9] | 杨立红,刘福春,韩恩厚.纳米氧化锌改性聚氨酯复合涂层的防腐性能[J].材料研究学报,2006(04):354-360. |
| [10] | 张金涛,胡吉明,张鉴清.有机涂层的现代研究方法[J].材料科学与工程学报,2003(05):763-768. |
| [11] | 陆春华,张秋平,闵磊,谭伟民,倪亚茹,许仲梓.碳纳米管/氟碳树脂复合材料的制备及性能研究[J].涂料工业,2009(07):21-24. |
| [12] | Feng Q.L.;Wu J. .A mechanistic study of the antibacterial effect of silver ions on Escherichia coli and Staphylococcus aureus[J].Journal of biomedical materials research, Part B. Applied biomaterials,2000(4):662-668. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%