A novel design for water-based modified epoxy coating with anti-corrosive application properties

被引：45
|
作者：
Liu, Bin [1 ]
Wang, Yinghan [1 ]
机构：
[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn China, Chengdu, Sichuan, Peoples R China
来源：
PROGRESS IN ORGANIC COATINGS | 2014年 / 77卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Polysulfide rubber; Emulsion; Modification; Corrosion prevention; Water-based coatings; LIQUID RUBBER; RESIN; MORPHOLOGY; PAINTS; MISCIBILITY; MICROSCOPY; KINETICS; BEHAVIOR;
D O I：
10.1016/j.porgcoat.2013.09.007
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this study, a polysulfide rubber emulsion was synthesized through the pre-emulsification of polysulfide rubber by mixed-emulsifiers and polyvinyl alcohol as a weight stabilizer and the emulsification by adding deionized water dropwise at a speed of 1 ml/min, stirring at a speed of 1500 rpm and adjusting pH to 8 by ammonia. The epoxy coating was modified by the polysulfide rubber emulsion. The anticorrosive coating was prepared by using waterborne amine dispersion as a curing agent and polysulfide rubber as a modifier. It had a good chemical resistance and excellent overall mechanical performance. The coatings were characterized by Tafel polarization curves and Scanning electron microscope. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：219 / 224
页数：6
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