An object of the present invention is to provide a foamed polyolefin resin sheet
which exhibits a high adhesive strength when laminated with a layer formed of a
saponified ethylene-vinyl ester copolymer and which still exhibits a high adhesive
strength even when laminated with a layer of a thermoplastic resin having relatively
low polarity such as a polyolefin resin. This object is attained by a foamed polyolefin
resin sheet including a foamed polyolefin resin layer and a non-foamed surface
layer formed of a thermoplastic resin composition having an A1/A2 ratio falling
within a range between 110-;8 and 110-;1, wherein
A1 is a maximum absorbance of the infrared absorption spectrum of the thermoplastic
resin composition within an infrared ray wave number region of from 1700 to 1750
cm-;1 and A2 is a maximum absorbance of the infrared absorption spectrum
of the thermoplastic resin composition within an infrared ray wave number region
of from 1455 to 1465 cm-;1.
