Sheet for Decoration Simultaneous with Injection Molding and Decorated Resin Molding

Abstract

The present invention provides a laminate-type decorative sheet for use in simultaneous decoration and injection molding, including a base film and at least a decorative layer provided on the base film, the decorative sheet having an elongation at break as measured at 25° C. of 3 to 10%, and an elongation at break as measured at 120° C. of 200% or more. The laminate-type decorative sheet exhibits good conformability to the molding surface of a mold during the course of preforming, and is less likely to produce wrinkling, blistering, breakage, etc. when laminated on and united with a resin molding through injection molding. In addition, the decorative sheet enables easy trimming.

1 . A decorative sheet for simultaneous decoration and injection molding, which is a laminate and which comprises a base film and at least a decorative layer provided on the base film, the decorative sheet having an elongation at break as measured at 25° C. of 3 to 10%, and an elongation at break as measured at 120° C. of 200% or more. 
     
     
         2 . A decorative sheet for simultaneous decoration and injection molding according to  claim 1 , which has an elongation at break as measured at 25° C. of 3 to 7%. 
     
     
         3 . A decorative sheet for simultaneous decoration and injection molding according to  claim 1 , which has an elongation at break as measured at 120° C. of 200 to 400%. 
     
     
         4 . A decorative sheet for simultaneous decoration and injection molding according to  claim 1 , wherein the base film is formed of an acrylic resin composition. 
     
     
         5 . A decorative sheet for simultaneous decoration and injection molding according to  claim 4 , wherein the acrylic resin composition is a resin composition containing, as a primary component, a polyacrylate and/or a polymethacrylate. 
     
     
         6 . A decorated resin molded product comprising a resin molding, and a decorative sheet as recited in  claim 1 , the sheet being bonded onto the molding, wherein the decorative layer of the decorative sheet is bonded to the molding. 
     
     
         7 . A decorative sheet for simultaneous decoration and injection molding according to  claim 2 , which has an elongation at break as measured at 120° C. of 200 to 400%. 
     
     
         8 . A decorative sheet for simultaneous decoration and injection molding according to  claim 7 , wherein the base film is formed of an acrylic resin composition. 
     
     
         9 . A decorative sheet for simultaneous decoration and injection molding according to  claim 8 , wherein the acrylic resin composition is a resin composition containing, as a primary component, a polyacrylate and/or a polymethacrylate. 
     
     
         10 . A decorated resin molded product comprising a resin molding, and a decorative sheet as recited in  claim 9 , the sheet being bonded onto the molding, wherein the decorative layer of the decorative sheet is bonded to the molding.