Patent ID: 8202600

Claim:
An artificial leather substrate, the artificial leather substrate being in the form of a sheet and comprising an upper-layer nonwoven fabric A and a base nonwoven fabric B, the upper-layer nonwoven fabric A being a wet-laid nonwoven fabric having a density of 0.30 to 0.50 g/cm 3 and being produced with synthetic fibers in which component fibers have a fineness of 0.005 to 1.1 dtex, a fiber length of 3 to 10 mm and a weight per unit area of 20 to 150 g/m 2 , the base nonwoven fabric B being a layer of a nonwoven fabric having a density of 0.15 g/cm 3 or more and less than 0.28 g/cm 3 and being produced with synthetic fibers in which component fibers have a fineness less fine than that of the component fibers of the upper-layer nonwoven fabric A and 4.5 dtex or less, a fiber length of 2 to 60 mm and a weight per unit area of 50 to 400 g/m 2 , the upper-layer nonwoven fabric A and the base nonwoven fabric B being layered, made into a single body by entanglement of the component fibers of both layers, and impregnated with an elastic polymer.