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    • 6. 发明公开
    • Room temperature-curable polymers
    • BEI RAUMTEMPERATURHÄRTBAREPOLYMERE
    • EP2537879A1
    • 2012-12-26
    • EP12180872.9
    • 2006-12-14
    • ABBOTT LABORATORIES
    • Hauenstein, Dale
    • C08G77/442A61F2/02A61L33/00C08L53/00C08L83/10C09D183/10A61L29/08
    • C08G77/442A61L29/10A61L29/16A61L31/10A61L31/16A61L2300/606C08G77/045C08G77/06C08G77/16C08G77/18C08G77/42C08L83/04C08L83/10C09D183/10
    • Methods of making room temperature-curable polymers. Reactants include siloxane-terminated polymers and silanols. The reactants are mixed, and the polymerization allowed to proceed in air at room temperature. The polymers are exceptionally useful because they allow for the incorporation into the polymers themselves of one or more therapeutic compounds. Thus, medical devices from which controlled drug release is desirable (for either local or systemic delivery) can be coated with therapeutic compound-containing polymers of the invention. In a preferred embodiment, a polymer of poly(MPC w :LAM x :HPMA y :TSMA z ) where w, x, y, and z represent the molar ratios of monomers used in the feed for preparing the polymer; MPC represents the unit 2-methacryoyloxyethylphosphorylcholine, LMA represents the unit lauryl methacrylate, HPMA represents the unit 2-hydroxypropyl methacrylate, and TSMA represents the unit 3-trimethoxysilylpropyl methacrylate is reacted with polydimethylsiloxane. In another preferred embodiment, a therapeutic compound is incorporated into the polymer, such as dexamethasone.
    • 室温固化聚合物的制备方法。 反应物包括硅氧烷封端的聚合物和硅烷醇。 将反应物混合,并使聚合在室温下在空气中进行。 聚合物是特别有用的,因为它们允许将一种或多种治疗化合物本身掺入聚合物本身。 因此,可以用本发明的含治疗化合物的聚合物涂覆受控药物释放的医疗装置(用于局部或全身输送)。 在优选的实施方案中,聚(MPC w:LAM x:HPMA y:TSMA z)的聚合物其中w,x,y和z表示用于制备聚合物的进料中使用的单体的摩尔比; MPC代表2-甲基丙烯酰氧基乙基磷酰胆碱单元,LMA代表甲基丙烯酸月桂酯单元,HPMA代表甲基丙烯酸2-羟丙酯单元,TSMA代表甲基丙烯酸3-三甲氧基甲硅烷基丙酯与聚二甲基硅氧烷反应。 在另一个优选的实施方案中,将治疗化合物掺入聚合物中,例如地塞米松。