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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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钢板电镀锌表面聚苯胺膜硅烷改性的研究
, PP. 404-408
Keywords: 镀锌钢板,聚苯胺,交流阻抗,耐蚀性
Abstract:
在加入硅烷偶联剂γ-APS的苯胺中性溶液中采用恒电流法在电镀锌钢板上制备聚苯胺膜,采用SEM观测其表面形貌,测试不同条件下聚合膜的厚度.交流阻抗和盐雾实验表明,加入？-APS后,聚苯胺膜层的致密性和防护性明显提高,接近铬酸盐钝化膜.通过XPS分析,得到γ-APS改性聚苯胺膜掺杂度为11%、氧化度为64%;与改性前聚苯胺膜相比较,掺杂度降低、氧化度增高.结合红外光谱和XPS分析,发现聚苯胺膜中存在4种化学环境C-Si-O-Si,C-Si-OH,C-Si-O-C,C-Si-O-Zn.
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