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.

引用

页码：1513 / 1527

页数：15

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