Patent ID: 7871699

Claim:
An iodine-containing hot melt pressure sensitive adhesive composition that is capable of being melted and coated at a temperature not higher than 100° C., comprising: (a) an iodine-containing hydrophilic gel, comprising (i) polyvinyl pyrrolidone-iodine complex, and (ii) a hydrophilic solvent with the polyvinyl pyrrolidone-iodine complex dissolved therein; (b) a hot melt pressure adhesive base having a softening point of not higher than 100° C., comprising ingredients that are essentially free of ethylenically and acetylenically unsaturated bonds and non-reactive with iodine, said pressure sensitive adhesive base comprising: (i) 15 to 30% by weight of a synthetic rubber consisting of a saturated type thermoplastic elastomer, (ii) 20 to 35% by weight of a tackifier that is non-reactive with iodine, and (iii) 35 to 50% by weight of a plasticizer that is non-reactive with iodine, based on the total weight of the hot melt pressure adhesive base; and (c) 0.1 to 0.5% by weight of a surfactant, based on the total weight of the iodine-containing hot melt pressure sensitive adhesive composition; wherein the surfactant is a sorbitan ester-type surfactant.