SYNOPSISLinseed oil was epoxidized in situ with perbenzoic or peracetic acid to produce epoxidized linseed oil (I). Effect of type and concentration of the peracid and the reaction time on the characteristics of the produced epoxidized oil were studied. Various epoxidized polyurethanes (11) with different NCO/OH ratios as well as epoxidized polyesters (111) were prepared from (I). The results obtained for the evaluation of resins (11) and (

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Linseed oil fatty acids were epoxidized by peracetic acid, then reacted with diethanolamine to give epoxidized hydroxy ethyl linseed oil fatty acid amide (I). This amide was rejected with toluene diisocyanate to produce epoxidized polyurethane‐amide (II). Component I was also reacted with phthalic anhydride to give epoxidized polyesteramide (III). Resins II and III were evaluated as coating materials. The results obtained were compared with commercial epoxy resin, and show that resins II and III may be suitable to use as petroleum pipeline coatings.