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A new study examines the effects of polyols on the corrosion resistance of aolic acid coatings prepared with dry oils.
coating contains resins derived from vegetable oils. Aliclicic resins have regained their importance because they consist mainly of bio-based components recovered from biofuel production and agro-industrial waste
. By accelerating corrosion tests (salt spray and sulfur dioxide tests), the corrosion resistance of moderate aliclicic acid coatings modified with Sacha inchi and flaxseed oils was compared, as well as the corrosion resistance of different proportions of glycelin and triglycerols.
Improve the performance of aliclicylic resins
The study focused on comparing the effects of polyols and oil types on the physiculation properties of resin solutions and curing membranes, and therefore on the corrosion resistance of coatings prepared with the resin.
results show that the mixture of glycol and Sacha inchi oil improves the performance of alkyd resins and enhances the corrosion resistance of alkyd coatings in accelerated weathering tests.
the study has been published in Volume 145 of Progress in Organic Coatings.
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