Reference

Epoxy exterior coating for lap-seam beverage cans

Epoxy exterior coating for lap-seam beverage cans. Downs, John D.; Massa, Andrew L. (Mobil Oil Corp., USA). U.S. US 3949895 13 Apr 1976, 4 pp. Continuation of U.S. 3,888,808. (English). (United States of America). CODEN: USXXAM. CLASS: IC: B65D007-42. NCL: 220064000.Several substances with their cas registry numbers 59680-21-6 and 61790-12-3 may be metioned in this study. APPLICATION: US 72-293635 29 Sep 1972. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Applying bisphenol A-2,2-bis[4-(glycidyloxy)phenyl]propane copolymer (I) [25036-25-3] tall oil fatty acid ester soln. on the exterior surface of lap-seam beverage cans gave coatings with improved adhesion when the lap seam was sealed with polyester-amide adhesive. Thus, the peel adhesion was 55-60 lb. when 50% I (wt./epoxy 1800) fatty acid ester soln. in hydrocarbon-Cellosolve acetate mixt. was applied on a metal container having lap seams bonded with polyester-amide adhesive, and baked for .apprx.8 min at 410.degree.F. .