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    • 50. 发明授权
    • Bottle-brush type coatings with entangled hydrophilic polymer
    • 带有缠结亲水性聚合物的瓶刷型涂料
    • US06835410B2
    • 2004-12-28
    • US10142300
    • 2002-05-09
    • Peter ChabrecekJörg LeukelDieter Lohmann
    • Peter ChabrecekJörg LeukelDieter Lohmann
    • A61L2700
    • A61L27/34
    • The invention relates to a process for coating a material surface comprising the steps of: (a) providing an inorganic or organic bulk material having covalently bound to its surface initiator moieties for radical polymerization; (b) graft polymerizing a hydrophilic ethylenically unsaturated macromonomer from the bulk material surface in the presence of a biocompatible hydrophilic polymer being devoid of polymerizable ethylenically unsaturated groups and thereby entrapping said hydrophilic polymer within the polymer matrix formed by the polymerization of the macromonomer. Composite materials obtainable according to 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.
    • 本发明涉及一种用于涂覆材料表面的方法,包括以下步骤:(a)提供与其表面引发剂部分共价结合的无机或有机本体材料用于自由基聚合;(b)将亲水烯属不饱和大分子单体从 在生物相容性亲水性聚合物存在下,不存在可聚合的烯键式不饱和基团,从而将所述亲水性聚合物包埋在通过大分子单体聚合形成的聚合物基质中。根据本发明方法可获得的复合材料具有关于 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,因此可用于制造诸如眼科装置的生物医学制品。