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    • 8. 发明申请
    • INKS INCLUDING COLORANT PARTICLES WITH COVALENTLY ATTACHED DISPERSANTS
    • 墨水包括含有分散的分散剂的颜料颗粒
    • WO2013191707A1
    • 2013-12-27
    • PCT/US2012/043778
    • 2012-06-22
    • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.LIU, QinZHOU, Zhang-Lin
    • LIU, QinZHOU, Zhang-Lin
    • C09D11/00C09D11/10C03C3/00G02F1/13
    • C09D11/10C09D11/033C09D11/037G02F1/1347G02F2001/1678
    • Inks including colorant particles with covalently attached dispersants are disclosed. The inks include a non-polar carrier fluid and pigment particles dispersed in the non-polar carrier fluid. The pigment particles have block copolymer grafts, wherein each block copolymer graft comprises a block copolymer having two or three blocks: a first block attached to the pigment particle, a second block attached to the first block, and an optional third block attached to the second block, wherein one of the blocks contains either a dispersant, a solubilizing and sterically bulky group, or both, wherein another of the blocks contains either acidic or basic functionalized side groups that facilitate charging of the pigment particle, and wherein the optional block contains either a dispersant, a solubilizing and sterically bulky group, or both, with the proviso that the dispersant is present on at least one of the blocks.
    • 公开了包含具有共价连接的分散剂的着色剂颗粒的油墨。 油墨包括分散在非极性载体流体中的非极性载体流体和颜料颗粒。 颜料颗粒具有嵌段共聚物接枝,其中每个嵌段共聚物接枝物包括具有两个或三个嵌段的嵌段共聚物:附着到颜料颗粒上的第一嵌段,连接到第一嵌段的第二嵌段和连接到第二嵌段的任选的第三嵌段 嵌段,其中所述嵌段之一含有分散剂,增溶和空间庞大的基团或两者,其中所述嵌段的另一个包含促进所述颜料颗粒充电的酸性或碱性官能化侧基,并且其中所述任选嵌段含有 分散剂,增溶和空间庞大的基团,或两者,条件是分散剂存在于至少一个嵌段上。