Synthesis of polyaspartic acid/2-amino-2-methyl-1,3-propanediol graft copolymer and evaluation of its scale inhibition and corrosion inhibition performance

被引：8

作者：

Zhang, Ben ^{[1
]}

Li, Juan ^{[1
]}

Lv, Xiaogai ^{[1
]}

Cui, Yuanchen ^{[1
]}

Xu, Ying ^{[1
]}

机构：

[1] Henan Univ, Coll Chem & Chem Engn, Kaifeng 475004, Peoples R China

来源：

DESALINATION AND WATER TREATMENT | 2015年 / 54卷 / 07期

关键词：

Corrosion inhibition; Scale inhibition; Polyaspartic acid/2-amino-2-methyl-1,3-propanediol; POLY(ASPARTIC ACID); GREEN INHIBITORS; WATER;

D O I：

10.1080/19443994.2014.895779

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Polyaspartic acid/2-amino-2-methyl-1,3-propanediol graft copolymer, a novel non-phosphorus scale and corrosion inhibitor, was synthesized and characterized by infrared spectroscopy. Its performance was evaluated by static scale inhibition method and dynamic corrosion testing. It was found that the graft copolymer showed excellent inhibition ability against CaCO3, CaSO4, and Ca-3(PO4)(2) scales and a definite inhibition corrosion performance as well. The inhibition efficiency was close to 99.9% against CaCO3, CaSO4, and Ca-3(PO4)(2) when the inhibitor was at an appropriate concentration. The inhibitor had still possessed higher antiscale efficiency against CaCO3 with increasing concentration of Ca2+ and heating time. In addition, The graft copolymer could change the structure of crystals CaCO3, CaSO4, and Ca-3(PO4)(2) by observation of scanning electron microscopy.

引用

页码：1998 / 2004

页数：7

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