Effect of boron nitride modified by sodium tripolyphosphate on the corrosion resistance of waterborne epoxy coating

被引：3
|
作者：
Yao, Hongrui [1 ,2 ]
Bi, Wenya [1 ]
Yin, Xu [1 ]
Mu, Shenglong [1 ]
Sha, Shiqiang [2 ,3 ]
Wang, Na [1 ,2 ]
机构：
[1] Shenyang Univ Chem Technol, Liaoning Prov Key Lab Preparat & Applicat Special, Shenyang 110142, Peoples R China
[2] Shenyang Res Inst Ind Technol Adv Coating Mat, Shenyang 110142, Peoples R China
[3] Liaoning Shunfeng New Mat Technol Co Ltd, Shenyang 110142, Peoples R China
来源：
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2023年 / 20卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Waterborne epoxy; Hexagonal boron nitride (h-BN); Synergetic effect; Tripolyphosphate (STP); Anticorrosive performance; GRAPHENE OXIDE; THERMAL-CONDUCTIVITY; ANTICORROSIVE REINFORCEMENT; POLYANILINE NANOPARTICLES; THIN-FILMS; COMPOSITES; PROTECTION; NANOHYBRIDS; PERFORMANCE; FABRICATION;
D O I：
10.1007/s11998-022-00637-7
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this work, h-BN@STPP was successfully obtained by facile co-modification of sodium tripolyphosphate (STPP) and silane coupling agent (KH-550) on h-BN nanosheets, with waterborne epoxy coatings incorporated for metallic substrate corrosion protection. Results showed that the impedance modulus at the lowest frequency (Z(f)(=)(0.1 Hz)) of h-BN@STPP composite coating increased three orders of magnitude in comparison with neat waterborne epoxy coating, exhibiting outstanding corrosion resistance. The reinforced anticorrosion performances of h-BN@STPP composite coatings could be attributed to the "labyrinth effect" of h-BN and passivation effect of STPP on the metal substrates.
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页码：1513 / 1527
页数：15
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