PLASTA CONTAINING ETOFENAMATE

PURPOSE:To obtain a plasta having excellent autohesion to the affected part, peelability on removal and excellent long-durative percutaneous absorption by spreading a specifically composed adhesive containing etofenamate. CONSTITUTION:An adhesive containing 20-40wt.% of styrene-isoprene-styrene bloc...

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1. Verfasser: KAWACHI TOSHIKUNI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To obtain a plasta having excellent autohesion to the affected part, peelability on removal and excellent long-durative percutaneous absorption by spreading a specifically composed adhesive containing etofenamate. CONSTITUTION:An adhesive containing 20-40wt.% of styrene-isoprene-styrene block copolymer, 40-60wt.% of a tackifying resin such as alicyclic saturated hydrocarbon petroleum resin, or hydrogenated rosin, 0.1-2wt.% of fluid paraffin, 5-20wt.% of liquid rubber, and 0.01-5wt.% of an antioxidant such as dibutylhydroxytoluene, is combined with 1-20wt.% of etofenamate (2-(2- hydroxyethoxy)ethyl-N-(alpha,alpha,alpha-trifluoro-m-tolyl)anthranilate) and the product is spread on the support. The unit weight of the adhesive product spread is usually in the range from 50 to 500g/m .