镀锌紧固件表面有机-无机复合转化膜的制备和性能

李庆鹏, 安晓云, 尚颖, 刘佳兴, 栾钧涵, 李永智, 王娜

Preparation and Property of High-performance Organic-inorganic Composite Conversion Film for Galvanized Fasteners

LI Qingpeng, AN Xiaoyun, SHANG Ying, LIU Jiaxing, LUAN Junhan, LI Yongzhi, WANG Na

表1 不同比例/不同硅酸盐制备的有机-无机复合转化膜的耐硫酸铜滴定时间

Table 1 Titration time of copper sulfate-resistant copper sulfate for organic-inorganic composite conversion membranes prepared with different ratios/silicates

Na2SiO3-type composite silane film K2SiO3-type composite silane film Bits of time / s Average time / s Bits of time / s Average time / s 9:1 5 4.5 10 10 5 13 4 8 4 9 8:2 9 8 15 15 8 16 7 14 8 15 7:3 15 14.75 20 21.25 17 22 14 22 13 21