Leather-like material

Claim 1

A PERMEABLE LEATHER-LIKE MATERIAL COMPRISING A NONWOVEN FABRIC OF TEXTILE FIBERS WITH THE FIBERS IMPREGNATED WITH SUCCESSIVE LAYERS OF (A) A RUBBERY INTERPOLYMER OF A MAJOR PROPORTION OF BUTADIENE-1,3 AND A MINOR PROPORTION OF A NITRILE SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, SAID INTERPOLYMER BEING PRESENT IN A QUANTITY OF ABOUT 5 TO ABOUT 150% BY WEIGHT OF INTERPOLYMER BASED ON THE ORIGINAL FIBERS, AND (B) A POLYESTERURETHANE DERIVED FROM THE REACTION IN THE PRESENCE OF MOISTURE OF ABOUT 1.2 TO 2.0 MOL EQUIVALENTS OF AN ORGANIC DIISOCYANATE WITH ONE MOL EQUIVALENT OF A POLYESTER OF AN ALIPHATIC DICARBOXYLIC ACID AND A GLYCOL OF THE FORMULA HO-R-OH WHEREIN R IS AN ALKYLENE RADICAL CONTAINING 2 TO 10 CARBON ATOMS, SAID POLYESTER BEING ESSENTIALLY HYDROXYL TERMINATED AND HAVING A MOLECULAR WEIGHT FROM ABOUT 4000 TO ABOUT 9000, SAID POLYESTERURETHANE BEING PRESENT IN A QUANTITY OF ABOUT 10 TO 200% BY WEIGHT OF POLYESTERURETHANE BASED ON THE ORIGINAL FIBERS, AND THE TOTAL QUANTITY OF BOTH LAYERS (A)