硅烷偶联剂改性磷酸锌对环氧涂层防腐性能的影响
师超1,2,邵亚薇2(
),熊义1,刘光明1,俞跃龙1,杨志广1,许传钦1
),熊义1,刘光明1,俞跃龙1,杨志广1,许传钦1
Influence of Silane Coupling Agent Modified Zinc Phosphate on Anticorrosion Property of Epoxy Coating
SHI Chao1,2,SHAO Yawei2(),XIONG Yi1,LIU Guangming1,YU Yuelong1,YANG Zhiguang1,XU Chuanqin1
),XIONG Yi1,LIU Guangming1,YU Yuelong1,YANG Zhiguang1,XU Chuanqin1
图4. 不同浸泡时间下涂层/金属体系的等效电路图
Fig.4. Equivalent electrical circuits of the coating/steel system after immersion for different time: (a) one time constant, (b) two time constants with Warburg impedance, (c) two time constants without Warburg impedance
