A novel antiscaling and anti-corrosive polymer-based functional coating

被引：21
|
作者：
Chen, Xixi [1 ]
Wang, Huaiyuan [1 ,2 ,3 ,4 ]
Wang, Chijia [1 ]
Zhang, Wenbo [1 ]
Lv, Chongjiang [1 ]
Zhu, Yanji [4 ]
机构：
[1] Northeast Petr Univ, Coll Chem & Chem Engn, Daqing 163318, Heilongjiang, Peoples R China
[2] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[3] Tianjin Univ, State Key Lab Chem Engn, Tianjin 300072, Peoples R China
[4] Tianjin Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
来源：
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2019年 / 97卷
基金：
美国国家科学基金会;
关键词：
Scale inhibitors; Zn2+ ions; Antiscaling; Corrosion protection; Functional composite coating; ANTI-FOULING PROPERTY; CALCIUM-CARBONATE; CORROSION PROTECTION; GROWTH; SURFACE; INHIBITION; ADHESION; BEHAVIOR; SILICA; CRYSTALLIZATION;
D O I：
10.1016/j.jtice.2019.01.016
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Carbon nanotubes (CNTs), as a carrier of diethylenetriaminepenta(methylphosphonic acid) (DTPMPA), combining with flake zinc and PVDF powders, were used to fabricate a novel organosilicon epoxy resinbased (EP) composite coating (EP/iDCNTs/Zn/PVDF) for antiscaling and anti-corrosion purposes. Compared with EP coating, the EP/iDCNTs/Zn/PVDF composite coating exhibited unique antiscaling properties with the CaCO3 deposition on the coating surface decreased by 81.6%. It was mainly because the coating surface contains DTPMPA, and Zn2+ , released by corrosion of Zn powder, which jointly inhibited the deposition behavior of CaCO3 . Meanwhile, the fabricated composite coating hardly adhered by CaCO3 crystals which was due to its higher hydrophobicity. Moreover, anti-corrosion tests proved that the prepared composite coating's impedance modulus was about 2 orders higher than that of the EP coating. This was ascribed to the improving shielding effect of fillers and high hydrophobicity of coating, preventing the water and oxygen molecules from penetrating into the composite coating. (C) 2019 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：397 / 405
页数：9
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