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    • 4. 发明授权
    • Medical adhesive composition and adhesive tape or sheet using the composition
    • 医用粘合剂组合物和胶带或片用组合物
    • US06777518B2
    • 2004-08-17
    • US10226427
    • 2002-08-23
    • Tsuyoshi KasaharaMasayoshi KuniyaYasuyuki SasakiTakahisa Konishi
    • Tsuyoshi KasaharaMasayoshi KuniyaYasuyuki SasakiTakahisa Konishi
    • C08F22068
    • A61L15/58A61L24/06Y10T428/28Y10T428/2891C08L33/00
    • The present invention provides a medical adhesive composition containing a copolymer obtained by copolymerization of a monomer mixture containing an acrylic acid alkyl ester having C4-C12 alkyl group, a (meth)acrylic acid, and a methacrylic acid alkyl ester having C1-C4 alkyl group, which mixture is free of a multifunctional monomer having two or more unsaturated double bonds in a molecule, wherein the copolymer has a gel-sol ratio of 35:65 to 55:45 and a weight average molecular weight of the sol portion of 300,000 to 500,000, or a copolymer obtained by copolymerization of the above-mentioned monomer mixture and having a gel fraction of 35 to 55% and a swelling ratio of a gel portion of 50 to 90 times. The medical adhesive of the present invention is superior in the balance between adhesiveness and cohesiveness and can be preferably used for various medical adhesive tapes or sheets.
    • 本发明提供一种医用粘合剂组合物,其含有通过使含有具有C 4〜C 12烷基的丙烯酸烷基酯,(甲基)丙烯酸和具有C 1〜C 4烷基的甲基丙烯酸烷基酯的单体混合物共聚获得的共聚物 该混合物不含分子中具有两个或更多个不饱和双键的多官能单体,其中该共聚物的凝胶溶胶比为35:65至55:45,溶胶部分的重均分子量为30万至 500,000,或通过上述单体混合物的共聚获得的凝胶分数为35〜55%,凝胶部分的溶胀比为50〜90倍的共聚物。 本发明的医用粘合剂在粘合性和粘结性之间的平衡方面是优异的,并且可以优选用于各种医用胶带或片材。