期刊
PROGRESS IN ORGANIC COATINGS
卷 153, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2020.106040
关键词
Zinc rich epoxy coatings; Corrosion; Cathodic protection; Graphene; Carbon nanotubes
This review article summarizes the utilization and development trends of zinc rich epoxy primer systems in the field of metal corrosion protection, discussing the impact of different types of fillers on their performance enhancement, as well as the new strategies used by researchers to improve electrical conduction, barrier effect, and corrosion resistance.
Zinc rich primer systems are one of the most utilized organic coating systems for corrosion protection of metals designed to operate at moderate to room temperature. Because of this reason, it remains the first choice of researchers for improvements by introducing different innovative functionalities. Nowadays a wide range of highly efficient micro and nano materials have been explored that can be integrated within the organic coatings to enhance their performance. In this review article, we present a comprehensive literature gathered with a view towards assessing the potentiality of zinc rich epoxy primer systems to protect the metal against corrosion. This review is mainly focused on recent progress in zinc rich epoxy coatings embedded with different kinds of filler materials to enhance their corrosion protection efficiency. Several new strategies and approaches have been used by researchers to increase electrical percolation, barrier effect and galvanic longevity so that the coatings provide extended service for a long period of time. Various topics covering fundamentals of protection mechanisms, performance evaluation, challenges and future research directions pertaining to zinc rich epoxy composite coatings are briefly discussed.
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