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Thursday, 04 June 2020
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Raw materials & technologies, Technologies

Fully organic coating system modified with epoxidised soybean oil

Friday, 3 April 2020

A fully organic coating system modified with epoxidised soybean oil showed superior corrosion protection performance.

The coating system modified with epoxidised soybean oil showed superior corrosion protection performance. Image source: rdnzl - stock.adobe.com (symbol image).
The coating system modified with epoxidised soybean oil showed superior corrosion protection performance. Image source: rdnzl - stock.adobe.com (sy...

For the study, different loading ratios of epoxy resin (E) and epoxidised soybean oil (ESO) were introduced into acrylic–silicone polymeric blend with the presence of polyisocyanate (NCO) as the curing agent.

The developed coating systems were applied on pretreated cold rolled mild steel substrates and the overall performances were investigated.

Enhancing the overall performance

The obtained results revealed the ability of the combination of E and ESO at a certain concentration specifically, 9:1, to enhance the overall performance of the polymeric matrix as optimum curing level, better wettability, good physical-mechanical characteristics, thermal stability and significantly enhanced corrosion resistance were observed.

The results also demonstrated the ability of the fabricated single-layer coating system to serve as a primer, topcoat or single coating system that has promising potential to be applied for decorative, self-cleaning, thermal insulation and corrosion protection purposes.

The study can be found in Progress in Organic Coatings, Volume 140, March 2020.

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