Patent ID: 9079385
Filing Date: 2015-07-14
Classification: B32B,Y10T

Abstract:
1. A laminated sheet comprising: a foamable resin sheet including a resin and a foaming agent; and a pair of aluminum alloy sheets present on both sides of the foamable resin sheet through the medium of an adhesive, the resin having a melting point of 145° C. or higher, and the adhesive having a melting point higher than the melting point of the resin; the resin is block copolypropylene resin of propylene with ethylene or an a-olefin having 4 to 20 carbon atoms, wherein the laminated sheet has a peel strength between the foamable resin sheet and the aluminum alloy sheet of 1.0 N/mm or more in a T-peel test at a temperature of 150° C. and a peel rate of 100 mm/min.