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    • 1. 发明申请
    • Antimicrobial surfaces and methods for preparing antimicrobial surfaces
    • 抗微生物表面和制备抗菌表面的方法
    • US20080286319A9
    • 2008-11-20
    • US10887029
    • 2004-07-07
    • Alan RussellRichard KoepselSang LeeKrzysztof Matyjaszewski
    • Alan RussellRichard KoepselSang LeeKrzysztof Matyjaszewski
    • A01N25/34
    • A01N33/12A01N57/34A61L2/232
    • The present invention relates to biocidal articles. In an embodiment the biocidal article comprises a plurality of polymers having biocidally active groups. The polymers are attached to a surface and may have a polydispersity less than 3. The biocidally active groups may comprise at least one of a quaternary ammonium salt, a quaternary phosphonium salt or a chloroamine. The attached polymers may be any microstructure, topology or composition, such as, a homopolymer, block copolymer, multiblock copolymer, a random copolymer, graft polymer, a branched or a hyperbranched polymer, and a gradient copolymer. The present invention also comprises a process for the preparation of a biocidal article. Embodiments of the process comprise polymerizing radically polymerizable monomers from an initiator attached to a surface, wherein at least a portion of the monomers comprise a group capable of being converted to a biocidally active group, and converting the group to the biocidally active group.
    • 本发明涉及杀生物制品。 在一个实施方案中,杀生物制品包含多个具有生物活性基团的聚合物。 聚合物连接到表面并且可以具有小于3的多分散性。生物活性基团可以包含季铵盐,季鏻盐或氯胺中的至少一种。 连接的聚合物可以是任何微结构,拓扑结构或组合物,例如均聚物,嵌段共聚物,多嵌段共聚物,无规共聚物,接枝聚合物,支链或超支化聚合物和梯度共聚物。 本发明还包括制备杀生物制品的方法。 该方法的实施方案包括将可自由基聚合的单体从附着于表面的引发剂聚合,其中至少一部分单体包含能够转化为生物活性基团的基团,并将该基团转化为生物活性基团。
    • 2. 发明申请
    • Antimicrobial surfaces and methods for preparing antimicrobial surfaces
    • 抗微生物表面和制备抗菌表面的方法
    • US20060008490A1
    • 2006-01-12
    • US10887029
    • 2004-07-07
    • Alan RussellRichard KoepselSang LeeKrzysztof Matyjaszewski
    • Alan RussellRichard KoepselSang LeeKrzysztof Matyjaszewski
    • A01N25/34
    • A01N33/12A01N57/34A61L2/232
    • The present invention relates to biocidal articles. In an embodiment the biocidal article comprises a plurality of polymers having biocidally active groups. The polymers are attached to a surface and may have a polydispersity less than 3. The biocidally active groups may comprise at least one of a quaternary ammonium salt, a quaternary phosphonium salt or a chloroamine. The attached polymers may be any microstructure, topology or composition, such as, a homopolymer, block copolymer, multiblock copolymer, a random copolymer, graft polymer, a branched or a hyperbranched polymer, and a gradient copolymer. The present invention also comprises a process for the preparation of a biocidal article. Embodiments of the process comprise polymerizing radically polymerizable monomers from an initiator attached to a surface, wherein at least a portion of the monomers comprise a group capable of being converted to a biocidally active group, and converting the group to the biocidally active group.
    • 本发明涉及杀生物制品。 在一个实施方案中,杀生物制品包含多个具有生物活性基团的聚合物。 聚合物连接到表面并且可以具有小于3的多分散性。生物活性基团可以包含季铵盐,季鏻盐或氯胺中的至少一种。 连接的聚合物可以是任何微结构,拓扑结构或组合物,例如均聚物,嵌段共聚物,多嵌段共聚物,无规共聚物,接枝聚合物,支链或超支化聚合物和梯度共聚物。 本发明还包括制备杀生物制品的方法。 该方法的实施方案包括将可自由基聚合的单体从附着于表面的引发剂聚合,其中至少一部分单体包含能够转化为生物活性基团的基团,并将该基团转化为生物活性基团。
    • 4. 发明申请
    • Biocidal surfaces, articles with biocidal surface agents and methods of synthesizing and evaluating biocidal surface agents
    • 杀生物表面,具有杀生物表面活性剂的制品和合成和评估杀生物剂的方法
    • US20070122441A1
    • 2007-05-31
    • US11601949
    • 2006-11-20
    • Hironobu MurataRichard KoespelSang LeeAlan Russell
    • Hironobu MurataRichard KoespelSang LeeAlan Russell
    • A01N57/00A01N25/00
    • A01N25/34A01N33/12A01N37/36A01N43/40A01N55/00
    • A biocidal article, includes a surface including a plurality of polymers covalently attached to the surface. The polymers include biocidal cationic groups. The polymers have a molecular weight distribution or polydispersity less than 3. A grafting density of the polymers on the surface is controlled, average degree of polymerization of the polymers is controlled and repeat units of the polymers are chosen to provide a predetermined charge density arising from the cationic groups. A method of analyzing biocidal activity of biocidal surface agents includes the steps: attaching a plurality of chemical entities to one or more surfaces so that at least one physiochemical property is varied, each of the chemical entities comprising at least one biocidally active component; and exposing the chemical entities to at least one biological agent to determine the effect of the at least one physiochemical property upon biocidal activity. The biocidal activity can, for example, be antibacterial activity or sporicidal activity. The at least one physiochemical property can, for example, be varied in a preferably systematic manner.
    • 杀生物制品包括包含共价连接在表面上的多个聚合物的表面。 聚合物包括杀生物阳离子基团。 聚合物具有小于3的分子量分布或多分散性。控制聚合物在表面上的接枝密度,控制聚合物的平均聚合度,并且选择聚合物的重复单元以提供由 阳离子基团。 分析杀生物表面活性剂的杀生物活性的方法包括以下步骤:将多个化学实体连接到一个或多个表面,使得至少一个理化特性变化,每个化学实体包含至少一种生物活性成分; 以及将所述化学实体暴露于至少一种生物试剂以确定所述至少一种理化化学性质对杀生物活性的影响。 杀生物活性可以例如是抗菌活性或杀孢子活性。 至少一种理化特性可以例如以优选系统的方式变化。
    • 7. 发明申请
    • Ultra-hard low friction coating based on AlMgB14 for reduced wear of MEMS and other tribological components and system
    • 基于AlMgB14的超硬低摩擦涂层,减少MEMS和其他摩擦组件和系统的磨损
    • US20050100748A1
    • 2005-05-12
    • US10946051
    • 2004-09-21
    • Bruce CookYun TianJoel HarringaAlan ConstantAlan RussellPalaniappa Molian
    • Bruce CookYun TianJoel HarringaAlan ConstantAlan RussellPalaniappa Molian
    • B32B15/04B81B3/00B81B7/00C23C14/06C23C14/28C23C16/00
    • C23C14/067B81B3/0075B81C2201/032C23C14/28Y10S428/938Y10T428/12736Y10T428/1275Y10T428/31678
    • Performance and reliability of microelectromechanical system (MEMS) components enhanced dramatically through the incorporation of protective thin film coatings. Current-generation MEMS devices prepared by the LIGA technique employ transition metals such as Ni, Cu, Fe, or alloys thereof, and hence lack stability in oxidizing, corrosive, and/or high temperature environments. Fabrication of a superhard, self-lubricating coating based on a ternary boride compound AlMgB14 is described in this letter as a potential breakthrough in protective coating technology for LIGA microdevices. Nanoindentation tests show that hardness of AlMgB14 films prepared by pulsed laser deposition ranges from 45 GPa to 51 GPa, when deposited at room temperature and 573 K, respectively. Extremely low friction coefficients of 0.04-0.05, which are thought to result from a self-lubricating effect, have also been confirmed by nanoscratch tests on the AlMgB14 films. Transmission electron microscopy studies show that the as-deposited films are amorphous, regardless of substrate temperature; however, analysis of FTIR spectra suggests that the higher substrate temperature facilitates formation of the B12 icosahedral framework, therefore leading to the higher hardness.
    • 微机电系统(MEMS)组件的性能和可靠性通过并入保护性薄膜涂层而显着提高。 通过LIGA技术制备的当前一代MEMS器件采用过渡金属如Ni,Cu,Fe或其合金,因此在氧化,腐蚀性和/或高温环境中缺乏稳定性。 在本文中描述了基于三元硼化物AlMgB 14的超硬自润滑涂层的制造,作为LIGA微型器件的保护涂层技术的潜在突破。 纳米压痕测试显示,当分别在室温和573K下沉积时,通过脉冲激光沉积制备的AlMgB 14 N膜的硬度范围为45GPa至51GPa。 认为是由自润滑效应引起的非常低的摩擦系数0.04-0.05也已经通过AlMgB 14膜的纳米尺度试验证实。 透射电子显微镜研究表明,沉积膜是无定形的,不管基底温度如何; 然而,FTIR光谱的分析表明较高的底物温度有助于形成B 12二十面体骨架,因此导致更高的硬度。