【作者】 高凤；

【导师】 古国华；

【作者基本信息】 青岛科技大学 ， 无机化学， 2008， 硕士

【摘要】 本论文主要采用水热等方法合成了两种绿色环保防腐蚀颜料,用红外、核磁、X射线衍射等分析方法对颜料的组成和结构进行了表征,并将它们应用到水性涂料中。通过对涂料的腐蚀性能检测,探讨了两种颜料在水性涂料中的最佳用量且从理论上进一步讨论了两种颜料的防腐机理。本论文内容主要由三部分组成:第一部分综述了防腐颜料在国内、外的研究现状、理论研究和实际应用的最新进展及目前存在的优点、不足及今后发展的方向。第二部分合成了一种新型防腐颜料磷钼酸锌钙,以红外、X射线衍射和X射线光电子能谱法对该颜料进行了组成和结构的表征。将合成的颜料磷钼酸锌钙应用到环氧丙烯酸树脂涂料中,按一定配方涂覆于不锈钢表面,对试片进行了耐盐水、耐盐雾、极化曲线测腐蚀电位等的腐蚀性能进行了检测,讨论了该颜料的防腐机理及在水性涂料中应用的最佳颜基比。第三部分合成了月桂酸咪唑啉表面活性剂并对其进行了质谱和红外表征,然后选用该表面活性剂及磷酸、钼酸铵等为原料,采用水热合成方法制备了一种新型有机/无机杂化超分子防腐颜料,用红外、核磁等各种分析方法对组成和结构进行了表征,结果表明该超分子颜料是由有机的月桂酸咪唑啉和无机杂多酸以氢键或静电作用结合在一起的超分子化合物。将超分子颜料应用到水性涂料中,并对各配方涂料进行了性能测试,通过检测结果讨论了该颜料的最佳用量及最佳的涂料配方并从理论上进一步探讨了颜料的防腐机理。更多还原

【Abstract】 In this paper, two kinds of green anti-corrosion pigments were synthesized by solventhermal and other methods, and characterized by FT-IR, NMR, X-ray diffraction, et al. They were used in the waterborne coatings and the best ratio was obtained according to the results of their anticorrosive functions. Also, the preservation of the two pigments was further discussed in theory.This paper consists of three parts. In the first part, the research progress, the importance of the theoretical study and practical application, the advantages and disadvantages as well as the developing direction of the anti-corrosion pigments were reviewed.In the second part, zinc & calcium phosphomolybdate, a new type of anticorrosive pigment was synthesized and its composition and structure were characterized through FT-IR, NMR and XPS. The zinc & calcium phosphomolybdate were also introduced into epoxy resin coating according to a certain ratio, which was used to coat at the surface of stainless steel as anticorrosive materials. The anticorrosive properties, such as resistance of salty water and salty spray were detected. Their corrosion potentials were also detected by polarization curves. According to the experiment results, the optimizing ratio of the pigment in the waterborne coating and the anticorrosive mechanism of the pigment were discussed.In the third part, the lauric acid imidazoline surfactant was firstly synthesized and characterized by mass spectrometry and FT-IR. Then, the surfactant, phosphoric acid and ammonium molybdate were used as the materials to prepare a new type of super-molecular anticorrosive pigment through hydrothermal synthesis route. The pigment was also characterized by FT-IR, NMR and other analytical methods. The results showed that the super-molecular pigment was the combination of organic and inorganic compounds through the hydrogen bond. The super-molecular pigment and acrylic emulsion were mixed to produce the waterborne coating. The resistance of salty water and spray of the coating were also tested, and the results showed that the anti-corrosive function was greatly improved after the addition of the super-molecular pigment into the coating. The best formula was obtained through the optimization of the experimental conditions.更多还原