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    UV curable inkjet compositions for high-density print heads
    195.
    发明公开
    UV curable inkjet compositions for high-density print heads 有权
    UV-härtbareTintenstrahlzusammensetzungenfürsehr dichteDruckköpfe

    公开(公告)号：EP2305762A1

    公开(公告)日：2011-04-06

    申请号：EP09172025.0

    申请日：2009-10-02

    Applicant: Agfa Graphics N.V. ,  Agfa-Gevaert

    Inventor： Van Dyck, Geert ,  Tilemans, David

    IPC: C09D11/10 ,  B41J2/435

    CPC classification number: C09D11/40 ,  B41J11/0015 ,  B41J11/002 ,  C09D11/101 ,  C09D11/30

    Abstract: A combination of:
    a) an inkjet print head having a nozzle density of at least 600 dpi and nozzles with an outer nozzle diameter D smaller than 25 µm; and
    b) a UV curable inkjet composition containing 0 to 10 wt% of one or more monofunctional monomers and at least A wt% of 2-(2-vinyloxyethoxy)ethyl acrylate, wherein both wt% are based on the total weight of the UV curable inkjet composition; and wherein A is defined by the formula : 100 w ⁢ t % - D x 3.0 w ⁢ t % / μ ⁢ m ≤ 100 w ⁢ t % - D x 1.0 w ⁢ t % / μ ⁢ m .
    An inkjet printer and an inkjet printing method are also disclosed

    Abstract translation: 以下的组合：a）具有至少600dpi的喷嘴密度的喷墨打印头和外喷嘴直径D小于25μm的喷嘴; 和b）包含0至10重量％的一种或多种单官能单体和至少A wt％的丙烯酸2-（2-乙烯氧基乙氧基）乙酯的UV可固化喷墨组合物，其中所述wt％都基于UV的总重量 可固化喷墨组合物; 其中A由下式定义：100 w ¢t％ - D x 3.0 w ¢t％/¼ ¢‰100 w ¢t％ - D x 1.0 w ¢t％/¼ ¢ m。 还公开了喷墨打印机和喷墨打印方法

    Polymeric dispersants and non-aqueous dispersions
    197.
    发明公开
    Polymeric dispersants and non-aqueous dispersions 有权
    Polymere Dispergiermittel und nichtwässrigeDispersionen

    公开(公告)号：EP2272893A1

    公开(公告)日：2011-01-12

    申请号：EP09163202.6

    申请日：2009-06-19

    Applicant: Agfa Graphics N.V.

    Inventor： André, Xavier ,  Loccufier, Johan

    IPC: C08G69/10 ,  C08G81/02 ,  C09D11/00

    CPC classification number: C09D11/36 ,  C08G69/26 ,  C08G73/0206 ,  C08L77/06 ,  C08L79/02 ,  C09D11/101 ,  C09D11/326 ,  C09D11/40

    Abstract: 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. Methods of preparation and non-aqueous pigment dispersions with the polymeric dispersant are also disclosed.

    Abstract translation: 包括根据式（I）的至少一种草酰胺结构单元的聚合物分散剂：其中：R1表示选自直链聚合物部分，星形聚合物部分，树枝状聚合物部分，支化聚合物部分 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。 还公开了与聚合物分散剂的制备方法和非水性颜料分散体。

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