耐海洋环境中霉菌腐蚀有机涂层的研究  

Study on Organic Coatings for Mould Corrosion Resistance in Ocean Climate

作　　者：石娇[1] 曲彦平[1] 

机构地区：[1]沈阳工业大学材料科学与工程学院,沈阳110078

出　　处：《表面技术》2011年第1期56-58,89,共4页Surface Technology

基　　金：国家自然科学基金(50804031)

摘　　要：为了提高铝合金耐海洋环境中霉菌腐蚀的性能,先在铝合金表面涂覆硅烷膜作为过渡层,然后在硅烷膜上涂覆成分配比不同的有机硅改性环氧树脂涂料,对比研究了涂层的表面形貌、相组成及霉菌腐蚀的性能,并探讨了涂层与基体的结合机理。结果表明:硅烷膜与铝合金基体、有机涂层之间发生了化学反应,使涂层与铝合金基体结合良好;按有机硅改性环氧树脂、二甲苯、邻苯二甲酸二丁酯、聚酰胺的质量比为50∶10∶1∶30制备涂料时,所得有机涂层能明显改善铝合金的耐霉菌腐蚀性能,加入绢云母粉则效果更佳。In order to improve the mold corrosion resistance of aluminum alloy in the ocean.First,coated silane films as buffer layer on the surface of aluminum alloy,and then coated with different composition ratio of silicone modified epoxy resin coating on the silane film.The coating surface morphology,phase composition,corrosion resistance,fungal performance were comparated and the combination of coating and substrate mechanism was dissussed.The results show that chemical reaction between silane film,the aluminum alloy and the organic coating was taken,so the binding force between the coating and aluminum substrate is well;When the weight ratio of silicone modified epoxy resin,xylene,dibutyl phthalate and polyurethane is 50∶10∶1∶30,the obtained organic coating can significantly improve the corrosion resistance of mold of aluminum alloy.The effect of organic coating with sericite powder is better.

关 键 词：铝合金 有机硅改性 环氧树脂 涂层 硅烷膜 耐霉菌腐蚀 结合力 

分 类 号：TG174.46[金属学及工艺—金属表面处理]