Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof (BROWN-TLO)
    3.
    发明申请
    Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof (BROWN-TLO) 有权
    接枝共聚物,将亲水链接枝到疏水性聚合物上的方法及其制品(BROWN-TLO)

    公开(公告)号:US20070219322A1

    公开(公告)日:2007-09-20

    申请号:US11541629

    申请日:2006-09-29

    IPC分类号: C08G63/91

    摘要: The present invention relates to synthetic methods for grafting hydrophilic chains onto polymers, particularly hydrophobic polymers such as poly(vinyl chloride) (PVC), poly(vinylidene fluoride) (PVDF), and chlorinated polypropylene (cPP). Resulting polymers include comb polymers which can have a microphase-separated structure of hydrophilic domains provided by the hydrophilic chains. Articles prepared from these comb polymers, particularly derived from PVDF, include membranes for water filtration in which the hydrophilic domains provide a pathway for water transport. PVC can be plasticized by grafting the PVC with hydrophilic chains. In addition, such articles, particularly articles having biomedical applications, can display anti-thrombogenic properties.

    摘要翻译: 本发明涉及将亲水链接枝到聚合物,特别是疏水性聚合物如聚(氯乙烯)(PVC),聚(偏二氟乙烯)(PVDF)和氯化聚丙烯(cPP))上的合成方法。 得到的聚合物包括梳状聚合物,其可以具有由亲水链提供的亲水结构域的微相分离结构。 由这些梳形聚合物制备的,特别是衍生自PVDF的制品包括用于水过滤的膜,其中亲水域提供水输送途径。 PVC可以通过亲水链接PVC来增塑。 此外,这些制品,特别是具有生物医学应用的制品,可以显示抗血栓形成性质。

    Graft copolymers
    4.
    发明授权
    Graft copolymers 失效
    接枝共聚物

    公开(公告)号:US07368505B2

    公开(公告)日:2008-05-06

    申请号:US11030576

    申请日:2005-01-05

    IPC分类号: C08L71/02 C08F259/00 C08J5/22

    摘要: This invention relates to methods of making graft copolymers, and articles having such graft copolymers. The methods may provide better control than in radicalization or photoinitiated polymerization techniques. For example, a graft copolymer can be prepared by reacting an alkoxide ion with a polymer. The alkoxide, in turn, can be provided by any suitable technique, for example, by reacting an alcohol with a base. In some embodiments of the invention, the graft copolymers may be a normally hydrophobic polymer, such as a polysulfone, that has been made more hydrophilic due to the attachment of hydrophilic side groups such as polyethylene glycol or polypropylene glycol. The copolymers of the invention have many uses, for example, in films or porous membranes.

    摘要翻译: 本发明涉及制备接枝共聚物的方法和具有这种接枝共聚物的制品​​。 该方法可以提供比在自由基化或光引发聚合技术更好的控制。 例如,可以通过使醇盐离子与聚合物反应来制备接枝共聚物。 醇盐又可以通过任何合适的技术提供,例如通过使醇与碱反应。 在本发明的一些实施方案中,接枝共聚物可以是通常疏水的聚合物,例如聚砜,由于亲水性侧基如聚乙二醇或聚丙二醇的附着而使其变得更亲水。 本发明的共聚物在膜或多孔膜中具有许多用途。

    Graft copolymers
    6.
    发明申请
    Graft copolymers 失效
    接枝共聚物

    公开(公告)号:US20060089461A1

    公开(公告)日:2006-04-27

    申请号:US11030576

    申请日:2005-01-05

    IPC分类号: C08F297/02 C08L81/00

    摘要: This invention relates to methods of making graft copolymers, and articles having such graft copolymers. The methods may provide better control than in radicalization or photoinitiated polymerization techniques. For example, a graft copolymer can be prepared by reacting an alkoxide ion with a polymer. The alkoxide, in turn, can be provided by any suitable technique, for example, by reacting an alcohol with a base. In some embodiments of the invention, the graft copolymers may be a normally hydrophobic polymer, such as a polysulfone, that has been made more hydrophilic due to the attachment of hydrophilic side groups such as polyethylene glycol or polypropylene glycol. The copolymers of the invention have many uses, for example, in films or porous membranes.

    摘要翻译: 本发明涉及制备接枝共聚物的方法和具有这种接枝共聚物的制品​​。 该方法可以提供比在自由基化或光引发聚合技术更好的控制。 例如,可以通过使醇盐离子与聚合物反应来制备接枝共聚物。 醇盐又可以通过任何合适的技术提供,例如通过使醇与碱反应。 在本发明的一些实施方案中,接枝共聚物可以是通常疏水的聚合物,例如聚砜,由于亲水性侧基如聚乙二醇或聚丙二醇的附着而使其变得更亲水。 本发明的共聚物在膜或多孔膜中具有许多用途。