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    • 30. 发明授权
    • Process for the modification of a material surface
    • 用于修饰材料表面的工艺
    • US06586038B1
    • 2003-07-01
    • US09697859
    • 2000-10-27
    • Peter ChabrecekDieter Lohmann
    • Peter ChabrecekDieter Lohmann
    • G02B110
    • G02B1/043C08J7/12C08J7/16
    • The invention relates to a process for coating a material surface. The process comprises the steps of: (a) covalently binding polymerization initiator radicals to the surface; (b) graft polymerizing a vinyl monomer carrying a reactive group onto the initiator-modified material surface and thereby providing a primary polymer coating comprising reactive groups; and (c) reacting the reactive groups of the primary polymer coating with a hydrophilic telomer having a functional group that is coreactive with the reactive groups of the primary polymer coating. The coated articles that are obtainable by the process of the invention have desirable characteristics regarding adherence to the substrate, durability, hydrophilicity, wettability, biocompatibility and permeability and are thus useful for the manufacture of biomedical articles such as ophthalmic devices.
    • 本发明涉及一种涂覆材料表面的方法。 该方法包括以下步骤:(a)将聚合引发剂基团与表面共价结合; (b)将携带反应性基团的乙烯基单体接枝聚合到引发剂改性的材料表面上,从而提供包含反应性基团的初级聚合物涂层; 和(c)使主聚合物涂层的反应性基团与具有与主聚合物涂层的反应性基团相互作用的官能团的亲水性调聚物反应。 通过本发明的方法可获得的涂覆制品具有关于对基材的粘附性,耐久性,亲水性,润湿性,生物相容性和渗透性的所需特性,因此可用于制造生物医学制品如眼科装置。