Patent ID: 7081560

Claim:
An absorbent article comprising: (a) a topsheet; (b) a backsheet formed from a moisture vapor permeable, substantially liquid impermeable composite sheet material, said composite sheet material comprising; (i) a first fibrous nonwoven web having a first side and an opposite second side; (ii) a second fibrous nonwoven web having a first side and an opposite second side, the first side of said second fibrous nonwoven web abutting the second side of said first fibrous nonwoven web; said first and second fibrous nonwoven webs each being powder-bonded webs wherein the fibers of said first and second fibrous webs are bonded to the other fibers of such web by a synthetic adhesive permeating said first and second nonwoven fibrous webs, and wherein the first and second fibrous nonwoven webs are bonded to each other by said adhesive; and (iii) a moisture vapor permeable thermoplastic film bonded to the second side of said second fibrous nonwoven web; wherein: (I) at least 90 weight percent of the fibers in said first fibrous nonwoven web are compatible with said adhesive; (II) between 25 and 75 weight percent of the fibers in said second fibrous nonwoven web are compatible with said adhesive and said thermoplastic film; (III) between 75 and 25 weight percent of the fibers in said second fibrous nonwoven web are incompatible with said adhesive and said thermoplastic film; and (IV) at least 50 weight percent of the polymer in said thermoplastic film is compatible with said adhesive; and (c) an absorbent core located between said topsheet and said backsheet.