聚苯胺微乳液的制备及与叔氟丙烯酸酯乳液复合涂层的防腐性能*

李玉峰, 祝晶晶, 高晓辉, 徐莹

Preparation of Polyaniline Microemulsion and Anticorrosion Performance of Its Composite Coatings with Versatate-Fluoro-Acrylate Emulsion

LI Yufeng, ZHU Jingjing, GAO Xiaohui, XU Ying

表1 涂覆PANI/VFAc复合涂层Q235钢的吸水率,湿附着力及极化曲线拟合数据

Table 1 Water absorption, wet adhesion and fitting values of potentiodynamic polarization curves for Q235 steel coated by the PANI/VFAc composite coatings

PANI/VFAc Water absorption /% Wet adhesion /grade Corrosion rate /mma-1 Rp / Ω Icorr / Acm-2 Ecorr / V PEF / % PANI ---- 5 3.20×10-2 4.56×103 9.73×10-6 -0.49 ---- 3∶1 13.55 2 9.38×10-3 3.27×104 7.97×10-7 -0.41 86.06 2∶1 6.82 1 1.30×10-3 2.37×105 1.10×10-7 -0.35 98.08 1∶1 3.29 0 1.03×10-3 3.00×105 8.72×10-8 -0.30 98.48 1∶2 2.11 0 1.74×10-4 1.76×106 1.48×10-8 -0.28 99.74 1∶3 2.08 0 5.59×10-4 5.49×105 4.75×10-8 -0.36 99.17