Journal
PROGRESS IN ORGANIC COATINGS
Volume 102, Issue -, Pages 60-65Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2016.04.031
Keywords
Nanocontainer; Self-healing; Halloysite; Mesoporous silica; Salt spray test; Anticorrosion
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We carried out the comparative study of the effect of inhibitor-loaded nanocontainers on the corrosion protection performance of polyester powder coatings by neutral salt-spray test (5% NaCI, 35 degrees C, different time). Halloysites and mesoporous silica particles loaded with corrosion inhibitor 8-hydroxyquinoline were homogeneously distributed in powder coating effectively reducing corrosion of the metal substrate over 1000 h of salt-spray test. Addition of only 2 wt.% of inhibitor encapsulated either in halloysites or in mesoporous silica particles to the powder coating is sufficient to decrease the delamination effect by >4 times and to suppress the formation of the blisters on the low carbon steel substrates. (C) 2016 Elsevier B.V. All rights reserved.
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