淀粉接枝共聚物对Zn的缓蚀性能

王亚婷, 王棵旭, 高鹏翔, 刘冉, 赵地顺, 翟建华, 屈冠伟

Inhibition for Zn Corrosion by Starch Grafted Copolymer

WANG Yating, WANG Kexu, GAO Pengxiang, LIU Ran, ZHAO Dishun, ZHAI Jianhua, QU Guanwei

表7 由ln (ν/T)-1/T直线拟合得到的腐蚀动力学参数

Table 7 Corrosion kinetic parameters obtained by fitting ln (ν/T)-1/T straight lines

c / mg·L-1 R2 ΔH≠ / kJ·mol-1 ΔS≠ / J·mol-1·K-1 0 0.9952 7.57 -184.35 10 0.9937 19.09 -157.48 20 0.9896 25.36 -139.21 30 0.9974 26.73 -137.63 40 0.9989 28.21 -135.33 50 0.9888 29.30 -132.55 60 0.9907 31.22 -130.28 70 0.9915 32.14 -127.71 80 0.9891 33.54 -126.33