申请人:NITTO DENKO CORPORATION
公开号:EP1867347A1
公开(公告)日:2007-12-19
The present invention provides a medical adhesive and a medical adhesive tape or sheet superior in the fixing performance, particularly perspiration-resistant fixing, which shows low skin irritation and suitable adhesive strength. The present invention provides a medical adhesive containing a water-dispersed copolymer obtained by copolymerizing 100 parts by weight of a monomer mixture containing (meth)acrylic acid alkyl ester and 0.005-2 parts by weight of a silane monomer copolymerizable with the ester, and an organic liquid component compatible with the copolymer; a medical adhesive containing a water-dispersed copolymer obtained by copolymerizing a monomer mixture containing (meth)acrylic acid alkyl ester and a silane monomer copolymerizable with the ester, and an organic liquid component compatible with the copolymer, wherein the gel fraction after crosslinking of the copolymer is 40-80 wt%, and the weight average molecular weight of a sol component after crosslinking is not less than 300000; and a medical adhesive tape or sheet having the medical adhesive at least on one surface of a support.
本发明提供了一种医用粘合剂和医用胶带或薄片,其固定性能优越,特别是耐汗固定,对皮肤刺激小,粘合强度合适。本发明提供了一种医用粘合剂,它含有一种水分散共聚物,该共聚物是由 100 份(重量)含(甲基)丙烯酸烷基酯的单体混合物和 0.005-2份(重量)可与该酯共聚的硅烷单体,以及与该共聚物相容的有机液体组分;一种医用粘合剂,含有通过共聚含有(甲基)丙烯酸烷基酯和可与酯共聚的硅烷单体的单体混合物以及与共聚物相容的有机液体组分而得到的水分散共聚物,其中共聚物交联后的凝胶部分为 40-80 wt%,交联后溶胶组分的重量平均分子量不小于 300000;以及一种医用胶带或片材,在支撑物的至少一个表面上具有该医用粘合剂。