EASY-OPEN END CLOSURE

摘要

An easy-open end closure which exhibits satisfactory corrosion resistance and opening characteristics in spite of its being made by using a bisphenol A-free primer and is excellent in hygiene and environmental protection, more specifically, an easy-open end closure composed of an aluminum substrate having an organic/inorganic treatment layer containing both a zirconium compound and/or a titanium compound and an organic compound on the side to constitute the inside surface of the closure, a primer layer formed on the treatment layer, and a polyester film formed on the primer layer, characterized in that the primer layer is made from a primer comprising a polyester resin containing at least 30% by weight of a carboxylated polyester resin and a phenol resin at a weight ratio of 50:50 to 85:15.