Hyperbranched polymeric dispersants and non-aqueous pigment dispersions
    1.
    发明授权
    Hyperbranched polymeric dispersants and non-aqueous pigment dispersions 失效
    超支化聚合物分散剂和非水性颜料分散体

    公开(公告)号:US08567935B2

    公开(公告)日:2013-10-29

    申请号:US13391845

    申请日:2010-09-08

    IPC分类号: C09D11/00

    摘要: A polymeric dispersant having a hyperbranched polyurethane architecture obtained by reacting a polyisocyanate core with a mixture of: a) 40 to 65 mol % of an anchor represented by Formula (I) and/or (II): wherein n represents an integer selected from 0 to 7; and X and Y each independently represent a primary amine group or a hydroxyl group; b) 5 to 25 mol % of a polypropylene oxide crosslinker; c) 15 to 40 mol % of a polypropylene oxide graft; and wherein the amount of the crosslinker and the graft taken together is at least 35 mol %; and wherein 100 mol % of the mixture corresponds with the total amount of isocyanate groups in the polyisocyanate core.

    摘要翻译: 一种具有超支化聚氨酯结构的聚合物分散体,其通过使多异氰酸酯芯与以下混合物反应获得:a)40至65mol%的由式(I)和/或(II)表示的锚定基:其中n表示选自0 到7; X和Y各自独立地表示伯胺基或羟基; b)5〜25摩尔%的聚环氧丙烷交联剂; c)15-40摩尔%的聚环氧丙烷接枝物; 并且其中交联剂和接枝在一起的量为至少35mol%; 并且其中100摩尔%的混合物对应于多异氰酸酯芯中的异氰酸酯基团的总量。

    POLYMERIC DISPERSANTS AND NON-AQUEOUS DISPERSIONS
    6.
    发明申请
    POLYMERIC DISPERSANTS AND NON-AQUEOUS DISPERSIONS 有权
    聚合物分散剂和非水性分散体

    公开(公告)号:US20120071593A1

    公开(公告)日:2012-03-22

    申请号:US13320757

    申请日:2010-06-03

    摘要: A non-aqueous pigment dispersion includes a pigment, a non-aqueous dispersion medium, and a polymeric dispersant including at least one oxalylamide structural unit according to Formula (I): wherein: R1 represents a first polymeric moiety selected from the group consisting of a linear polymeric moiety, a star shaped polymeric moiety, a dendritic polymeric moiety, a branched polymeric moiety, and a hyperbranched polymeric moiety; and R2 represents a second polymeric moiety selected from the group consisting of a polyester, a polyether, a polyamide, a polyacrylate, a polymethacrylate, or copolymers thereof.

    摘要翻译: 非水性颜料分散体包括颜料,非水分散介质和包含根据式(I)的至少一种草酰胺结构单元的聚合物分散剂:其中:R1表示选自以下的第一聚合物部分: 线性聚合物部分,星形聚合物部分,树枝状聚合物部分,支化聚合物部分和超支化聚合物部分; 并且R 2表示选自聚酯,聚醚,聚酰胺,聚丙烯酸酯,聚甲基丙烯酸酯或其共聚物的第二聚合物部分。