Ti3C2Tx@CNF nanohybrid improving the corrosion resistance of waterborne epoxy coating under 15 MPa alternating hydrostatic pressure

被引：62
|
作者：
Wu, Yangmin [1 ,2 ]
Zhao, Wenjie [1 ]
Liu, Sheng [3 ]
Wang, Liping [1 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo 315201, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Tech Ctr Zibo Customs, Zibo 255031, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2022年 / 438卷
关键词：
Ti3C2Tx MXene; Cellulose nanofiber; Epoxy composite coating; Alternating hydrostatic pressure; Anti-corrosion; ONE-STEP SYNTHESIS; FAILURE BEHAVIOR; GRAPHENE OXIDE; PERFORMANCE; ANTICORROSION; OXIDATION; CELLULOSE; SYSTEM; CARBON;
D O I：
10.1016/j.cej.2022.135483
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Cellulose nanofiber was grafted on Ti3C2Tx (Ti3C2Tx@CNF) and then Ti3C2Tx@CNF nanohybrid acted as nanofiller to endow epoxy coating superior barrier property. Electrochemical tests and corrosion products revealed that incorporation of & nbsp;Ti3C2Tx@CNF into epoxy could significantly improve its anti-corrosion performance. Even immersion in marine alternating hydrostatic pressure (AHP) environment for 240 h, the impedance modulus of composite coating was one order of magnitude higher as compared with controlled samples. Besides, cross-sectional structure confirmed that Ti3C2Tx@CNF remarkable improve the compactness of coating and thus conferring active adhesion strength with twice higher than that of pure epoxy after 240 h immersion in AHP.
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页数：11
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