文献类型：期刊文献

英文题名：Mass preparation and anticorrosion mechanism of highly triple-effective corrosion inhibition performance for co-modified zinc phosphate-based pigments

作者：Xue, Ya-Nan[1,2];Xue, Xi-Zi[1,2];Miao, Min[1,2];Liu, Jin-Ku[1,2]

机构：[1]East China Univ Sci & Technol, Sch Chem & Mol Engn, Key Lab Adv Mat, Shanghai 200237, Peoples R China;[2]Key Lab Sichuan Prov, Mat Corros & Protect, Zigong 643000, Sichuan, Peoples R China

年份：2019

卷号：161

起止页码：489

外文期刊名：DYES AND PIGMENTS

收录：;EI(收录号：20184105925438);WOS:【SCI-EXPANDED(收录号:WOS:000449241200059)】；

基金：This work is supported by the National Natural Science Foundation of China (Grant 21878090), Fundamental Research Funds for the Central Universities (Grant 222201717003), Project of State Key Laboratory of High Performance Ceramics and Superfine Microstructure (Grant SKL201605SIC) and the Opening Project of Material Corrosion and Protection Key Laboratory of Sichuan Province (Grant 2017CL15).

语种：英文

外文关键词：In situ self-heating; GO; Zinc phosphate; Triple-effect synergistic anticorrosion; Benzotriazole

摘要：The benzotriazole and GO co-modified zinc phosphate (ZP/BTA/GO) pigments with chemically oriented laminated structure are synthesized massively by in situ self-heating method for the first time. The heat released from the formation of ZP increases the solubility of BTA achieving the self-sufficiency of system energy in one step. After modification by BTA, the anticorrosive blind region of ZP pigments in the initial corrosion stage is repaired. With the co-modification by BTA and GO, the strong interaction among ZP, BTA and GO makes the compact laminated structure of ZP/BTA/GO pigments more stable, exerting bidirectional shielding effect on the penetration of corrosive medium. Meanwhile, the electrochemical impedance spectroscopy (EIS) and polarization curve tests reveal that the anticorrosion performance of ZP/BTA/GO pigments is increased by 366.1% compared to ZP pigments. The remarkable improvement of corrosion inhibition is attributed to the synergistic complementary anticorrosion mechanism containing the extension of electrons transport path, the deviation of electrons transfer and the formation of diversified passive films. The formation of zinc phosphate-based laminated pigments with full-covered anticorrosion time and excellent corrosion inhibition performance promotes the industrial production and development of anticorrosion materials.