Novel hydrophile adhesive mass

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/58 (2006.01)

Patent

CA 2266690

The invention concerns a novel hydrophile adhesive mass to be used for medical purposes characterised in that said hydrophile adhesive mass comprises: (a) 10 to 35 parts by weight of a sequenced poly(styrene-olefin-styrene) copolymer, in particular poly(styrene-isoprene- styrene), (b) 25 to 50 parts by weight of a tackifier resin, (c) 2 to 15 parts by weight of an acrylate polymer having a glass temperature less than -20 ~C, (d) 2 to 25 parts by weight of a plasticizer, in particular a plasticizing oil, (e) 20 to 50 parts by weight of a hydrocolloid, (f) 0.1 to 2 parts by weight of at least one antioxidant. The invention also concerns the use of this adhesive mass for making protective bandages in particular for treating blisters, skin-deep dermo-epidermic lesions, exudative wounds and burns.

La présente invention concerne une nouvelle masse adhésive hydrophile utilisable à des fins médicales caractérisée en ce que ladite masse adhésive hydrophile comprend: (a) 10 à 35 parties en poids d'un copolymère séquencé poly(styrène-oléfine-styrène), en particulier poly(styrène-isoprène-styrène); (b) 20 à 50 parties en poids d'une résine tackifiante; (c) 2 à 15 parties en poids d'un polymère acrylate ayant une température de transition vitreuse inférieure à -20 ·C; (d) 2 à 25 parties en poids d'un plastifiant, notamment d'une huile plastifiante; (e) 20 à 50 parties en poids d'un hydrocolloïde; (f) 0, 1 à 2 parties en poids d'au moins un agent antioxydant. Elle concerne églament l'utilisaiton de cette masse adhésive hydrophile pour la réalisation de pansements protecteurs en particulier pour le traitement de l'ampoule, des lésions dermo-épidermiques superficielles de la peau, des plaies exsudatives et des brûlures.

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