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Tuesday, 17 September 2019
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Raw materials & technologies, Technologies, Functional coatings

Self-healing ability of capsule embedded coatings investigated

Thursday, 4 October 2012

Researchers in Iran synthesised urea-formaldehyde (UF) capsules in micro and nano sizes, containing linseed oil.

The micro- and nanocapsules investigated contained linseed oil

Source: Theo Gott/Fotolia

The micro- and nanocapsules investigated contained linseed oil

Source: Theo Gott/Fotolia

In a new study, researchers from Petroleum University of Technology and Shahid Chamran University, Iran, investigated the self-healing ability and adhesion strength of capsule embedded coatings. The scientists synthesised urea-formaldehyde (UF) capsules in micro and nano sizes, containing linseed oil (LO). The micro- and nanocapsules were incorporated through epoxy coatings and the coatings were applied on C-steel panels. Then the self-healing performance of the coatings was investigated. The corrosion resistance, adhesion strength and its retaining after immersion of nanocapsule incorporated coatings were compared with the optimum microcapsule incorporated ones. Results are reported in the journal "Progress in Organic Coatings”, Vol. 75, Issue 4 (http://dx.doi.org/10.1016/j.porgcoat.2012.08.006).

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