Patent ID: 7390563
Filing Date: 2008-06-24
Classification: B32B,B65D,C08J,C09K,Y10T

Abstract:
1. An electroconductive polypropylene resin sheet, comprising: a foamed layer consisting of a foamed combination of a high melt tension polypropylene resin and a linear crystalline polypropylene resin, and a blowing agent, and an electroconductive layer that is coated on at least one side of the foamed layer, wherein the electroconductive layer is comprised of an electroconductive coating material that is comprised of electrically conductive particles in a methyl methacrylate/methacrylate copolymer resin binder, wherein the electroconductive polypropylene resin sheet has a density of at least 180 kg/m wherein the foamed layer is directly adjacent and in continuous contact with the electroconductive layer, and wherein the linear crystalline polypropylene resin is present in an amount of from 50 to 90% by weight of the foamed combination of the foamed layer.