Gravure ink set for retort, retort printing material, laminate, method for producing retort printing material, method of manufacturing laminate, packaging bag and lid material

摘要

Problem to be solved: to provide a retort gravure ink set having a retentive resisting resistance, a high metallic gloss, and a blocking resistance which can withstand the use of hyperphoto sterilization.SolutionThe gravure ink contains an untreated aluminum pigment (a) and a thermoplastic resin (b);The thermoplastic resin is acid modified vinyl chloride / vinyl acetate copolymer resinAnd polyurethane resin (B2), includingCuring agent solutionContains isocyanate compound (d) and solventThe solid weight ratio of the thermoplastic resin (b) in the gravure ink and the isocyanate compound (d) in the curing agent solution is(b) / (d) = 60 / 40 to 99The acid value of the acid modified vinyl chloride / vinyl acetate copolymer resin (B1) is 2 mgKOH / g or moreIt is characterized by two types of ink.Gravure ink set for retort.No selection