Patent ID: 8445391

Claim:
A leather-like sheet which comprises a microfine-fiber entangled body made of bundles of microfine fibers and an elastic polymer impregnated into the microfine-fiber entangled body, which meets the following requirements: (1) the bundles of microfine fibers comprises microfine monofibers having an average cross-sectional area of 0.1 to 30 μm 2 and an average cross-sectional area of the bundles of microfine fibers is 40 to 400 μm 2 ; (2) the bundles of microfine fibers exist in a density of 600 to 4000/mm 2 on a cross section taken along a thickness direction of the microfine-fiber entangled body; (3) the elastic polymer comprises 30 to 100% by mass of a polymer of ethylenically unsaturated monomer, and the polymer of ethylenically unsaturated monomer comprises 80 to 98% by mass of a soft component having a glass transition temperature (Tg) of lower than −5° C., 1 to 20% by mass of a crosslinkable component, 0 to 19% by mass of a hard component having a glass transition temperature (Tg) of higher than 50° C. and 0 to 19% by mass of another component; and (4) the polymer of ethylenically unsaturated monomer is bonded to microfine fibers in the bundles of microfine fibers.