Crosslinked main-chain-type polybenzoxazine coatings for corrosion protection of mild steel

被引：19
作者：
Lu, Xin [1 ]
Liu, Yan [1 ]
Zhang, Wenfei [1 ]
Zhang, Xueying [1 ]
Zhou, Changlu [1 ]
Xin, Zhong [1 ]
机构：
[1] East China Univ Sci & Technol, Shanghai Key Lab Multiphase Mat Chem Engn, Dept Prod Engn, Sch Chem Engn, Shanghai 200237, Peoples R China
来源：
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2017年 / 14卷 / 04期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Polybenzoxazine; Corrosion protection; Mild steel; RING-OPENING POLYMERIZATION; SURFACE FREE-ENERGY; IN-SITU POLYMERIZATION; NANOFIBROUS MEMBRANES; THERMAL-STABILITY; BENZOXAZINE; PRECURSORS; BARRIER; NANOCOMPOSITES; TEMPERATURE;
D O I：
10.1007/s11998-016-9902-5
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Bisphenol A/diaminodiphenylmethane (BAddm)-based polybenzoxazine precursor was synthesized from 4,4'-diaminodiphenylmethane, bisphenol A, and paraformaldehyde. The curing behavior of BA-ddm was studied by using differential scanning calorimeter and Fourier transform infrared spectrometer techniques. To verify the anticorrosion property, cured polybenzoxazine (PBA-ddm) coatings were prepared on mild steel (MS) through dip-coating and thermal curing methods. The surface properties of cured PBA-ddm coatings were characterized by microscopy and contact angle measurement. The electrochemical measurements were carried out to investigate the corrosion properties of PBA-ddm-coated MS. The results showed that PBA-ddm-coated MS samples exhibited high anticorrosive performance with the corrosion current reduced by two orders of magnitude than that of pristine MS.
引用
收藏
页码：937 / 944
页数：8
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