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1. 发明授权

US06852777B1 Water-based ink for ink-jet recording 有权
标题翻译：水性墨水用于喷墨记录
公开(公告)号：US06852777B1
公开(公告)日：2005-02-08
申请号：US09623166
申请日：1999-12-28
申请人： Yukihiro Nakano , Isao Tsuru , Kohji Azuma , Michitaka Sawada , Takehiro Tsutsumi
发明人： Yukihiro Nakano , Isao Tsuru , Kohji Azuma , Michitaka Sawada , Takehiro Tsutsumi
IPC分类号： C09D11/00 , C09D11/322 , C09D11/10 , C08L25/08
CPC分类号： C09D11/32
摘要： A water-based ink for inkjet printing comprising a water dispersion of vinyl polymer particles prepared by containing a pigment in a vinyl polymer prepared by copolymerizing a monomer mixture comprising (a) a salt-forming group-containing monomer, (b) a macromer, and (c) a monomer copolymerizable with the salt-forming group-containing monomer and the macromer; and a process for preparing a water-based ink for inkjet printing comprising a water dispersion of vinyl polymer particles prepared by containing a pigment in a vinyl polymer, comprising dissolving in an organic solvent a vinyl polymer prepared by copolymerizing a monomer mixture comprising (a) a salt-forming group-containing monomer, (b) a macromer, and (c) a monomer copolymerizable with the salt-forming group-containing monomer and the macromer; adding a pigment to the resulting solution; pre-kneading the mixture; thereafter adding a neutralizing agent and water and kneading the mixture, to give an oil-in-water dispersion; and distilling off the organic solvent from the resulting kneaded product.
摘要翻译：一种用于喷墨印刷的水性油墨，其包含乙烯基聚合物颗粒的水分散体，该乙烯基聚合物颗粒通过在包含（a）含有成盐基团的单体，（b）大分子单体，和（c）可与含有成盐基团的单体和大分子单体共聚的单体; 以及制备用于喷墨印刷的水性油墨的方法，其包括通过在乙烯基聚合物中含有颜料制备的乙烯基聚合物颗粒的水分散体，包括在有机溶剂中溶解通过共聚单体混合物制备的乙烯基聚合物，所述单体混合物包含（a）含成盐基团的单体，（b）大分子单体和（c）可与含有成盐基团的单体和大分子单体共聚的单体; 向所得溶液中加入颜料; 预混合混合物; 然后加入中和剂和水，并捏合混合物，得到水包油分散体; 并从所得捏合产物中蒸除有机溶剂。

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