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涂料工业  2010 

纳米al2o3/有机-无机杂化复合铝合金涂层的耐腐蚀性能研究

Keywords: 有机-无机,纳米al2o3,丙烯酸树脂,耐盐雾,耐腐蚀性能

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Abstract:

?在溶胶-凝胶法合成有机-无机杂化丙烯酸树脂的基础上,采用盐雾试验和电化学交流阻抗技术研究了纳米al2o3添加量对有机-无机杂化丙烯酸复合涂层材料的耐腐蚀性能的影响。研究表明:纳米al2o3添加量为12%时,涂层的耐腐蚀性能有了较大的提高,耐盐雾时间由100h提高到450h,涂层的阻抗值也由104ω·cm2提高至106ω·cm2以上。另外,通过扫描电镜观察了复合涂层的断面,发现涂层中纳米粒子分散均匀,并且粘接紧密,形成了较为致密的复合涂层。

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