涂覆有机涂层的镀锡薄钢板耐蒸煮性能电化学快速检测技术研究

刘喆, 邓成满, 魏军胜, 夏大海

Fast Evaluation of Resistance to High Temperature Steam Sterilization Process for Organic Coating Coated Tinplate by Electrochemical Method

LIU Zhe, DENG Chengman, WEI Junsheng, XIA Da-Hai

表2 蒸煮前后涂覆涂层的镀锡板的腐蚀电位和低频阻抗模值

Table 2 Open circuit potentials and impedance moduli of various samples without and with boiling sterilization at 0.01 Hz

Sample No. OCP |Z|0.01 Hz Sample No. OCP |Z|0.01 Hz Reduction of |Z|0.01 Hz VSCE 105 Ω⸱cm2 VSCE 105 Ω⸱cm2 A1-0 -0.490 1.810 A1-1 -0.503 1.330 26.5% A2-0 -0.546 199.0 A2-1 -0.525 153.0 23.1% A3-0 -0.484 78.00 A3-1 -0.528 37.70 51.7% B1-0 -0.499 1.110 B1-1 -0.518 0.875 21.2% B2-0 -0.538 80.20 B2-1 -0.655 63.90 20.3% B3-0 -0.522 93.90 B3-1 -0.552 52.10 44.5% C1-0 -0.482 2.740 C1-1 -0.478 0.761 72.2% C2-0 -0.554 167.0 C2-1 -0.529 158.0 5.4% C3-0 -0.530 70.70 C3-1 -0.487 68.10 3.7% D1-0 -0.511 3.090 D1-1 -0.537 0.935 69.7% D2-0 -0.547 397.0 D2-1 -0.534 130.0 67.3% D3-0 -0.546 149.0 D3-1 -0.560 64.20 56.9%