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    • 7. 发明授权
    • Medical adhesive and medical adhesive tape or sheet
    • 医用胶粘剂和医用胶带或片材
    • US07897683B2
    • 2011-03-01
    • US11802190
    • 2007-05-21
    • Atsushi HamadaTomonari NaitoNamiko MurayamaMiki FunahashiJun Ishikura
    • Atsushi HamadaTomonari NaitoNamiko MurayamaMiki FunahashiJun Ishikura
    • C08L33/00C08L43/04C08L31/02C08F2/16C08F2/22C08K5/00B32B7/12B32B9/04A61F13/02
    • A61L15/44A61L15/58A61L2300/00Y10T428/28Y10T428/2891Y10T428/31504
    • 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胶粘剂和医用胶带或片材,其特征在于定影性能,特别是耐汗固定,其显示出低的皮肤刺激性和合适的粘合强度。 本发明提供一种包含水分散共聚物的医用胶粘剂,其通过共聚100重量份含有(甲基)丙烯酸烷基酯的单体混合物和0.005-2重量份可与酯共聚的硅烷单体而得到, 与共聚物相容的有机液体组分; 含有通过使含有(甲基)丙烯酸烷基酯的单体混合物与可与该酯共聚的硅烷单体的单体混合物和与共聚物相容的有机液体成分共聚得到的水分散性共聚物的医用粘合剂,其中, 共聚物为40〜80重量%,交联后的溶胶成分的重均分子量为30万以上, 以及在支撑体的至少一个表面上具有医用粘合剂的医用胶带或片材。