杨名亮,吴建华,李至秦,苏雅丽,方大庆,郑添水.仿贻贝粘附蛋白聚合物的合成及其防腐机理研究[J].表面技术,2018,47(8):211-219.
YANG Ming-liang,WU Jian-hua,LI Zhi-qin,SU Ya-li,FANG Da-qing,ZHENG Tian-shui.Synthesis and Inhibition Mechanism of Mussel-inspired Adhesive Polymers in Waterborne Coatings on Carbon Steel[J].Surface Technology,2018,47(8):211-219 |
| 仿贻贝粘附蛋白聚合物的合成及其防腐机理研究 |
| Synthesis and Inhibition Mechanism of Mussel-inspired Adhesive Polymers in Waterborne Coatings on Carbon Steel |
| 投稿时间：2018-04-16 修订日期：2018-08-20 |
| DOI：10.16490/j.cnki.issn.1001-3660.2018.08.029 |
| 中文关键词: 仿贻贝粘附蛋白 粘附聚合物 合成 缓蚀剂 环氧涂层 |
| 英文关键词:PHEA-DOPA adhesive polymer synthesis inhibitor waterborne epoxy coating |
| 基金项目:“十二五”科技支撑计划项目（2014BAE12B01）；中国-瑞典联合研发项目（OS2014GR0462） |
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| Author | Institution |
| YANG Ming-liang | 1.School of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China; 3.Xiamen Sunrui Ship Coating Co., Ltd, Xiamen 361101, China |
| WU Jian-hua | 1.School of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China; 2.State Key Laboratory for marine Corrosion and Protection, Qingdao 266101, China; 3.Xiamen Sunrui Ship Coating Co., Ltd, Xiamen 361101, China |
| LI Zhi-qin | 3.Xiamen Sunrui Ship Coating Co., Ltd, Xiamen 361101, China |
| SU Ya-li | 3.Xiamen Sunrui Ship Coating Co., Ltd, Xiamen 361101, China |
| FANG Da-qing | 3.Xiamen Sunrui Ship Coating Co., Ltd, Xiamen 361101, China |
| ZHENG Tian-shui | 3.Xiamen Sunrui Ship Coating Co., Ltd, Xiamen 361101, China |
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| 中文摘要: |
| 目的 合成水性含多巴胺功能基团的仿贻贝粘附蛋白聚合物（PHEA-DOPA），研究在水性环氧涂层中的腐蚀防护机理。方法 通过聚琥珀酰亚胺与乙醇胺和多巴胺的连续氨解反应，成功制备了 PHEA-DOPA 粘附聚合物，并用红外光谱（FTIR）仪、核磁（1HNMR）共振波谱仪和紫外-可见分光光度计对其结构进行了表征。通过电化学阻抗谱（EIS）、扫描电子显微镜（SEM）、石英晶体微天平（QCM-D）和拉曼光谱，对含有 PHEA-DOPA 的水性环氧涂层在碳钢表面的防护性能与机理进行了研究。结果 红外光谱、核磁光谱和紫外-可见光谱结果表明，成功合成了 PHEA-DOPA 聚合物。EIS 和 SEM 结果表明，PHEA-DOPA 的加入能够明显提高涂层的防护性能。QCM-D 和拉曼光谱结果表明 PHEA-DOPA 的防腐机理为：PHEA-DOPA 结构中的 DOPA 基团与 Fe 离子有较强的吸附络合作用，并在碳钢表面和涂层内部反应生成不溶性的 [Fe(DOPA)3]3+络合物，可抑制铁的溶解过程，提高涂层的致密性。结论 PHEA-DOPA 粘附聚合物的加入能够明显提高涂层的防护性能。 |
| 英文摘要: |
| The work aims to study corrosion prevention mechanism of synthesized waterborne PHEA-DOPA containing dopamine pendant functional groups in waterborne epoxy anticorrosive coatings. A PHEA-DOPA adhesive polymer was successfully prepared based upon continuous aminolysis reactions among polysuccinimide, ethanolamine and dopamine. Structure of this adhesive polymer was characterized by FTIR, 1HNMR and UV-Vis spectrophotometer. Furthermore, protective properties and mechanism of the waterborne epoxy coating containing PHEA-DOPA were investigated by EIS, scanning electron microscope (SEM), quartz crystal microbalance with dissipation monitoring (QCM-D) and Raman microspectroscopy. The results of FTIR, 1HNMR and UV-Vis measurements demonstrated that the PHEA-DOPA polymer was successfully synthesized. The EIS and SEM results indicated that the addition of PHEA-DOPA could significantly improve protection properties of waterborne epoxy coatings. The evidences of QCM-D and Raman microspectroscopy demonstrated that the DOPA group in PHEA-DOPA structure had strong adsorptive complex effects on Fe3+, and could generate in soluble [Fe(DOPA)3]3+ complexes on the surface of carbon steel and inside the coatings, which inhibited dissolution process of Fe and improved coating density. Addition of PHEA-DOPA adhesive polymer can significantly improve protective properties of waterborne coatings. |
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