Journal
PROGRESS IN ORGANIC COATINGS
Volume 77, Issue 1, Pages 219-224Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2013.09.007
Keywords
Polysulfide rubber; Emulsion; Modification; Corrosion prevention; Water-based coatings
Funding
- National Natural Science Foundation of China [51173115]
- Ministry of Education of China (the Foundation for Ph.D. training) of China [20110181110030]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry and Science [20071108-18-12]
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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.
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