Medical adhesive tape or sheet, and first-aid adhesive tape
AssigneeNitto Denko Corporation
InventorsTetsuo Watanabe, Takashi Kinoshita, Fumiya Shirai
Life of this patent
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Abstract
To 100 parts by weight of a thermoplastic resin such as polypropylene resin, a blend of polypropylene resin and elastomer, or a copolymer of polypropylene resin and elastomer, 10 to 200 parts by weight of a silicic acid compound such as zeolite or talc were added to form a film for a supporting substrate. Using this film as a supporting substrate, an adhesive layer comprising an acrylic adhesive is provided on the supporting substrate to obtain a medical adhesive tape or sheet according to the present invention. An absorbent pad is provided at a central region on the surface of the adhesive layer to obtain a first-aid adhesive tape.
Claims9
A medical adhesive tape for adhering onto a skin surface comprising a supporting substrate and an adhesive layer directly or indirectly laminated thereon, wherein said supporting substrate comprises a composition which comprises 100 parts by weight of a thermoplastic resin and 10 to 200 parts by weight of a silicic acid compound, wherein said medical adhesive tape is adhereable to a skin surface, and wherein said supporting substrate has a stress relaxation ratio of 60% or less.
Dependencies are inferred from the claim text.