Ultra-fast self-repairing of anti-corrosive coating based on synergistic effect between cobalt octoate and linseed oil

Publisher:
Elsevier
Publication Type:
Journal Article
Citation:
Progress in Organic Coatings, 2022, 166, pp. 106776
Issue Date:
2022-05-01
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A new microcapsule was prepared by a facile emulsions process for improving the self-repairing speed of anti-corrosive polymer coating. The microcapsule is based on the cobalt octoate/linseed oil and GO nanosheets, which acts as core and shell. The new microcapsule in polyurethane coating provided the ultra-fast self-repairing speed (ca.5.0 min). The result was attributed to synergistic catalytic curing reaction of linseed oil in presence of cobalt octoate and O2. Furthermore, it also improved their anti-corrosion properties due to the good barrier of the GO nanosheets. The work confirms the formation of anti-corrosive polymer coating with ultra-fast self-repairing performance for various applications.
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