Method of manufacturing resin article having plating layer

Abstract

There is provided with a method of manufacturing a resin article having a plating layer. A surface of a polycarbonate member 110 is irradiated with ultraviolet rays, and thereby the surface is modified. A plating layer 130 is formed on the modified surface by electroless plating. Neither a strong acid treatment nor a strong alkali treatment is performed between the modification and the forming.

What is claimed is: 
     
         1 . A method of manufacturing a resin article having a plating layer, comprising:
 modifying a surface of a polycarbonate member by irradiating the surface with ultraviolet rays; and   forming a plating layer on the modified surface by electroless plating,   wherein neither a strong acid treatment nor a strong alkali treatment is performed between the modification and the forming.   
     
     
         2 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein neither the strong acid treatment nor the strong alkali treatment is performed in the forming.   
     
     
         3 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein the strong acid treatment is an acid treatment that uses a treatment solution having a pH of 1 or less, and   the strong alkali treatment is an alkali treatment that uses a treatment solution having a pH of 13 or more.   
     
     
         4 . A method of manufacturing a resin article having a plating layer, comprising:
 modifying a surface of a polycarbonate member by irradiating the surface with ultraviolet rays; and   forming a plating layer on the modified surface by electroless plating,   wherein an energy density at a primary wavelength of the ultraviolet rays applied to the surface in the modification is 5.0 mW/cm 2  or less, and an irradiation time is 5 minutes or more.   
     
     
         5 . A method of manufacturing a resin article having a plating layer, comprising:
 modifying a surface of a polycarbonate member by irradiating the surface with ultraviolet rays; and   forming a plating layer on the modified surface by electroless plating,   wherein the modification is performed such that in the modified surface, an existence ratio of carbon-oxygen double bonds is larger than an existence ratio of carbon-oxygen single bonds.   
     
     
         6 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein the surface of the polycarbonate member includes a first region and a second region,   the modification includes irradiating the first region with ultraviolet rays such that the second region is not irradiated with ultraviolet rays, and   in the forming, the plating layer is formed on the first region such that the plating layer is not formed on the second region.   
     
     
         7 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein in the modification, irradiation with ultraviolet rays having a primary wavelength of 243 nm or less is performed under an atmosphere containing at least one of oxygen and ozone.   
     
     
         8 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein in the forming, the electroless plating is performed by an activator-accelerator method.   
     
     
         9 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein the polycarbonate member before being modified in modification has a surface roughness Ra of 100 nm or less.   
     
     
         10 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein the modified surface of the polycarbonate member has a surface roughness Ra of 100 nm or less.   
     
     
         11 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein the polycarbonate member at an interface between the polycarbonate member and the plating layer has a surface roughness of 100 nm or less.   
     
     
         12 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein the plating layer has a surface roughness of 100 nm or less.   
     
     
         13 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein a portion where the plating layer is not provided in the polycarbonate member has a surface roughness of 100 nm or less.   
     
     
         14 . The method of manufacturing a resin article having a plating layer according to  claim 1 ,
 wherein a light reflectance at a wavelength of 650 nm of the plating layer via the polycarbonate member is 65% or more.