Antiviral vinyl-chloride resin composition, antiviral sheet of vinyl-chloride resin, process for producing the same, interior decorative sheet, process for producing interior decorative sheet, interior decorative sheet of poly (vinyl chloride) resin, antiviral wallpaper, and process for producing antiviral wallpaper

An antiviral wallpaper comprising:

• a resin layer containing a resinous ingredient containing a vinyl chloride resin for paste into which a sulfonic-acid surfactant is incorporated in an amount of 2.0% by weight or larger based on the resinous ingredient;
• a base layer on a surface of the resin layer;
• and
• a topcoat layer on another surface of the resin layer, the another surface of the resin layer being on an opposite side of the resin layer from the surface of the resin layer,
• wherein the antiviral wallpaper is a surface-reinforced wallpaper, and
• wherein the topcoat layer has interstices therein so that the sulfonic-acid surfactant contained in the resin layer is partly exposed through the interstices.