Functionalized boron carbide for enhancement of anticorrosion performance of epoxy resin

被引：22
作者：
Wang, Jizhuang [1 ,2 ]
He, Yi [1 ,2 ]
Xie, Zhengfeng [1 ,2 ]
Chen, Chunlin [1 ,2 ]
Yang, Qiangbin [1 ,2 ]
Zhang, Chunli [1 ,2 ]
Wang, Binyan [3 ]
Zhan, Yingqing [1 ,2 ]
Zhao, Tianhong [1 ,2 ]
机构：
[1] Southwest Petr Univ, Coll Chem & Chem Engn, Chengdu 610500, Sichuan, Peoples R China
[2] Southwest Petr Univ, Oil & Gas Field Appl Chem Key Lab Sichuan Prov, Chengdu 610500, Sichuan, Peoples R China
[3] Shanghai Univ Finance & Econ, Dept Appl Math, Shanghai 200433, Peoples R China
来源：
POLYMERS FOR ADVANCED TECHNOLOGIES | 2018年 / 29卷 / 02期
关键词：
anticorrosion; boron carbide; composite coating; epoxy resin; KH560; WATER TRANSPORT BEHAVIORS; CORROSION PROTECTION; SURFACE MODIFICATION; MECHANICAL-PROPERTIES; SILICA NANOPARTICLES; IMPEDANCE MODELS; MILD-STEEL; SILANE; RESISTANCE; COMPOSITE;
D O I：
10.1002/pat.4181
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this study, epoxy coatings were modified by adding various compositions of B4C particles. In order to achieve proper dispersion of particles in the epoxy coating and increasing chemical interactions between particles and polymeric coating, the surface of the B4C particles was treated with -(2,3-epoxypropoxy) propytrimethoxysilane (KH560). The surface modification and microstructure of B4C were characterized by Fourier transform infrared, X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and transmission electron microscopy. Electrochemical impedance spectroscopy was also used to evaluate the impedance of coatings. The results revealed that the KH560 not only enhanced the interaction between B4C particles and epoxy resin but also exhibited a remarkable ability to improve the anticorrosion performance of epoxy resin. The epoxy coating with the 3wt% B4C-KH560 particles exhibited the best anticorrosion performance, which can be attributed to the best uniform dispersion of the B4C-KH560 particles, and the particles effectively block the aggressive species (Cl-, O-2, and H2O) from the coating.
引用
收藏
页码：758 / 766
页数：9
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