2-piece cans for laminated steel sheet and two-piece laminate cans

摘要

PROBLEM TO BE SOLVED: To provide a laminated steel sheet suitable for manufacturing the two-piece can enhanced in processing degree capable of preventing the peeling and breakage of a laminate resin layer even in a can body enhanced in processing degree like an aerosol two-piece can.;SOLUTION: The laminated steel sheet for the two-piece can, wherein the height (h), maximum radius (r) and minimum radius (d) (including a case that r and d are same) of a final formed product satisfy the relations of 0.1≤d/R≤0.25 and 1.5≤h/(R-r)≤4 with respect to the radius R of a circular sheet before forming becoming equivalent to the final formed product in weight has a resin coating layer, which comprises a mixed resin wherein a main phase based on a polyester and a sub-phase comprising a resin incompatible with the main phase, present in the main phase in a dispersed state and having a glass transition point (Tg) of 5°C or below are mixed and is characterized in that the volume ratio of the sub-phase in the mixed resin is 3-30 vol.% and the cross-sectional shape in the lamination direction of the sub-phase is 0.50 or below in flatness, at least on its one side.;COPYRIGHT: (C)2007,JPO&INPIT