JP2018199341A5 - - Google Patents

Claims (15)

A laminate comprising at least a base layer, a primer layer, and a metal thin film layer laminated in this order;
The primer layer has a glass transition point observed contains a cured product of -30 ° C. ~ 50 ° C. of the resin,
A decorative sheet, wherein the metal thin film layer side is a design surface . It is used for the decoration application of the resin molded product which has a curved part,
The decorative sheet according to claim 1, wherein the curved portion has a shape that requires stretching at a maximum stretching ratio of 150% or more with respect to the decorative sheet. The resin having a glass transition temperature of -30 ° C to 50 ° C is at least one selected from the group consisting of polyester resins, polyurethane resins, polyacrylic resins, and polyolefin resins. The decorative sheet described in. The resin having a glass transition temperature of -30 ° C to 50 ° C is a polyol resin,
The decorative sheet according to any one of claims 1 to 3, wherein the primer layer is formed of a cured product of the polyol resin and an isocyanate compound.   The decorative sheet according to claim 4, wherein the polyol resin is a polyester polyol.   The decorative sheet according to claim 4 or 5, wherein the isocyanate compound is an aliphatic isocyanate compound.   The decorating sheet in any one of Claims 1-6 which has an adhesive layer between the said base material layer and the said primer layer.   The decorative sheet according to claim 7, wherein the adhesive layer contains a chlorine-based resin.   The metal thin film layer is formed of at least one metal selected from the group consisting of tin, indium, chromium, aluminum, nickel, copper, silver, gold, platinum, zinc, and an alloy containing at least one of them. The decorating sheet in any one of Claims 1-8.   The decorative sheet according to any one of claims 1 to 9, wherein a surface protective layer is further laminated on the metal thin film layer.   The decorative sheet according to any one of claims 1 to 10, wherein a transparent film layer is further laminated on the metal thin film layer.   The decorative sheet according to any one of claims 1 to 11, wherein the primer layer further comprises a colorant. At least a molded resin layer, a base material layer, a primer layer, and a metal thin film layer are formed of a laminate in this order,
The primer layer has a glass transition point observed contains a cured product of -30 ° C. ~ 50 ° C. of the resin,
The decorated resin molded product whose said metal thin film layer side is a design surface . A vacuum forming step of forming the decorative sheet according to any one of claims 1 to 12 into a three-dimensional shape in advance by a vacuum forming die,
Trimming the excess portion of the vacuum-formed decorative sheet to obtain a molded sheet, inserting the molded sheet into an injection mold, closing the injection mold, and injection molding the resin in a fluid state An integration step of injecting into a mold to integrate the resin and the molded sheet;
The manufacturing method of a decorating resin molded article provided with these. The decorated resin molded product has a curved portion,
The manufacturing method of the decorating resin molded product of Claim 14 which extends | stretches the decorating sheet located in the said curved part to 150% or more of maximum draw ratio in at least one process of the said vacuum forming process and the said integration process. .