A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 15/24 (2006.01) A61L 15/58 (2006.01) C09J 133/14 (2006.01)
Patent
CA 2183353
A medical pressure-sensitive adhesive is provided, having a high steam permeability (at least 1100 g/(m2.24Hr) at a temperature of 37 ~C and an RH of 40 %), and exhibiting such an appropriate adhesive strength as the dressing material coated with the pressure-sensitive adhesive is not easily peeled off and a wound is not inflicted on the skin when the dressing material is peeled from the skin, and also exhibiting durability of such an appropriate adhesive strength as well as an appropriate cohesive force. A medical pressure- sensitive adhesive, comprising a polymer containing above 50 wt. % of a unit derived from an alkoxyalkyl acrylate, the Tg value of the homopolymer thereof being -35 ~C or less is also provided.
La présente invention concerne un adhésif médical autocollant. Celui-ci est caractérisé par une perméabilité à la vapeur d'au moins 1100 g/(m?2¿.24 H) dans des conditions de température de 37 ~C et d'humidité relative de 40 %. Il présente un pouvoir adhésif tellement approprié que la substance de pansement enduite dudit adhésif autocollant ne se décolle pas facilement et que le décollage de la substance à pansement ne provoque aucune blessure de la peau. Cet adhésif conserve sur la durée son même pouvoir adhésif approprié ainsi que sa même force de cohésion appropriée. L'invention concerne également un adhésif médical autocollant comprenant un polymère dont la teneur pondérale d'un dérivé d'un acrylate d'alkoxyalkyle est d'environ 50 %, la valeur du paramètre Tg de son homopolymère étant de -35 ~C au maximum.
Imamura Kengo
Nanakubo Hiroyasu
Sonoda Hirofumi
Takamatsu Yorinobu
Minnesota Mining And Manufacturing Company
Smart & Biggar
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