Abstract: The disclosure provides a laminate having excellent flexibility and substrate conformability and favorable adhesive strength in a structure having an adhesive layer using a solvent-free adhesive in contact with an ink layer using a water-based flexo ink. The disclosure provides a package using the laminate and having excellent substrate conformability and adhesive strength. The above object is achieved by a laminate having a first substrate layer, an ink layer, an adhesive layer, and a second substrate layer in order, and satisfying the following (1) to (2): (1) the ink layer is a layer formed using a water-based flexo ink (F). (2) the adhesive layer is a layer formed using a solvent-free adhesive (S) containing a polyol (A) and a polyisocyanate (B), and has a storage elastic modulus (Er) of 600 MPa or less at 20° C. measured based on JIS K 7244.

Abstract: A solvent-type gravure ink for a laminate according to the present invention contains a pigment, a binder resin, an organic solvent, and water. The solvent-type gravure ink contains 80 to 100 mass % in total of a polyurethane resin and a vinyl chloride copolymer resin in 100 mass % of the binder resin, and the mass ratio of polyurethane resin to vinyl chloride copolymer resin is 95:5 to 40:60. The solvent-type gravure ink contains 1 to 50 mass % of a structural unit derived from a polyether in 100 mass % of the polyurethane resin. The solvent-type gravure ink contains 0.1 to 15 mass % of a glycol ether-based organic solvent serving as the organic solvent and 0.1 to 5 mass % of the water in 100 mass % of the gravure ink.

Abstract: A method of recovering and recycling solvents, comprising, during printing or coating of solvent-recoverable and recyclable printing ink composition comprising solvents, a step of recovering the solvents vaporized in a solvent recovery apparatus, a step of separating the solvents obtained into one or more single solvents and/or one or more azeotropic compositions of two or more solvents by multi-stage distillation, and a step of recycling them as a printing ink raw material and/or dilution solvent raw material.