Patent ID: 7175897

Claim:
An article for fluid transport comprising: a substrate having at least one fluid transport structure; at least one adhesive article, the adhesive article comprising: a base layer having a first and second surface; and at least one coating layer on at least one surface of a base layer, the coating layer comprising: (A) at least one adhesive resin and (B) at least one hydrophilic polymer, at least one surfactant or a combination of at least one hydrophilic polymer and at least one surfactant, with the proviso that when (B) is only a surfactant, then the coating layer contains less than about 40% by weight polyurethane; and wherein the hydrophilic polymer is selected from cellulosic polymers, polyvinyl alcohol, polyvinyl pyrrolidone, dextran, nylons, polyamides, hydroxyethyl methacrylate, starches and gelatins: and wherein the at least one adhesive article is heat sealed to the substrate and covers the at least one fluid transport structure and the coating layer is positioned to contact fluid of the fluid transport structure.