Page 36 - 《精细化工》2021年第4期
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·670·                             精细化工   FINE CHEMICALS                                 第 38 卷

                 续表 1
                    聚合物基质      协同改性材料        涂层厚度       腐蚀环境      腐蚀时间     质量分数           防腐效果          文献
             CeO 2    EP           —           —        3.5%NaCl    30 d    30 g/L   阻抗提升约 2 个数量级        [46]
                   EP              —           40       天然海水        15 d     10.0   R ct 值提升约 0.6 个数量级   [47]
                   EP           表面改性          200±5     3.5%NaCl   200 h     0.5    R c 值提升约 3 个数量级      [48]
                   EP           表面改性           70       3.5%NaCl    45 d    2 g/L   阻抗提升约 1.4 个数量级       [49]
                   EP           NiWO 4        65±5      3.5%NaCl    45 d     3.0    阻抗提升约 1 个数量级         [50]
                   EP           GO            75±5      3.5%NaCl    70 d     0.15   阻抗提升约 3 个数量级         [51]
                   EP           缓蚀剂           50±5      3.5%NaCl    5 d      5.0    阻抗提升约 3 个数量级         [52]
                   EP           缓蚀剂           30±2      3.5%NaCl    3 d      0.5    R c 值提升约 1 个数量级      [53]
                 注：阻抗中数量级的计算公式为=lg(改性涂层阻抗值)–lg(EP 涂层阻抗值)；腐蚀环境中 3.0%和 3.5%为质量分数；R c 为涂层电阻；
            R ct 为电荷转移电阻；I corr 为腐蚀电流密度。

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