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    • 3. 发明公开
    • SURFACE MODIFICATION METHOD AND SURFACE-MODIFIED ELASTIC OBJECT
    • 表面改性方法和表面改性弹性物体
    • EP3070117A1
    • 2016-09-21
    • EP14868847.6
    • 2014-11-12
    • Sumitomo Rubber Industries, Ltd.
    • MINAGAWA Yasuhisa
    • C08J7/18A61L29/00C08F2/00C08F2/50C08F279/02
    • C08J7/18A61L29/042A61L29/14A61L31/049A61L2400/18C08F279/02C08J2300/26C08J2311/00C08F2/54C08F2/48
    • Provided is a method for surface-modifying a rubber vulcanizate or a thermoplastic elastomer, which makes it possible to impart excellent sliding properties, durability after repeated sliding, and properties to prevent adsorption or aggregation of proteins, and further maintain good sealing properties for a long time, without using expensive self-lubricating resins. Also provided are surface-modified elastic bodies, including medical devices, e.g. a gasket for syringes, catheter, or blood or body fluid analyzer, etc., at least part of whose surface is modified by the method. Included is a method for surface-modifying an object made of a rubber vulcanizate or a thermoplastic elastomer, the method including: step 1 of forming polymerization initiation points on a surface of the object; step 2 of radically polymerizing a monomer starting from the polymerization initiation points to grow polymer chains on the surface; and step 3 of irradiating the grown polymer chains with an electron beam.
    • 本发明提供一种对橡胶硫化物或热塑性弹性体进行表面改性的方法,该方法可赋予优异的滑动性,重复滑动后的耐久性,防止蛋白质的吸附或凝集的性质,进一步长期保持良好的密封性 而不使用昂贵的自润滑树脂。 还提供了表面改性的弹性体,包括医疗装置,例如医疗装置。 用于注射器,导管或血液或体液分析仪等的垫圈,其至少一部分表面通过该方法进行了修改。 包括用于对由橡胶硫化橡胶或热塑性弹性体制成的物体进行表面改性的方法,所述方法包括:在物体的表面上形成聚合引发点的步骤1; 从聚合引发点开始自由基聚合单体以在表面上生长聚合物链的步骤2; 以及用电子束照射生长的聚合物链的步骤3。