Patent ID: 7282253

Claim:
A non-woven fabric with a melange appearance and high-durability comprising: a fiber part including at least one of a melange appearance fiber and a mixture of at least two fibers with different dyeability characteristics; a matrix binder comprising a polyurethane including soft segments and rigid segments, the soft segments consisting of at least one polycarbonate polyol selected from the group consisting of polypentamethylenecarbonatoglycol, polyhexamethylenecarbonatoglycol and polyheptamethylenecarbonatoglycol and at least one polyester polyol selected from the group consisting of polyhexamethyleneadipateglycol, polyneopentyladipateglycol, and polycaprolactonediol, and the rigid segments consisting of urethane groups derived from the reaction of isocyanate with polyols, and ureic groups derived from the reaction between isocyanate groups and water.