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    • 3. 发明公开
    • 루이스 산을 이용한 자가분산형 착색제의 제조 방법 및상기 착색제를 포함하는 잉크 조성물
    • 使用含有酸性物质的自分散染色剂和包含着色剂的墨水组合物的方法
    • KR1020050030458A
    • 2005-03-30
    • KR1020030066947
    • 2003-09-26
    • 삼성전자주식회사
    • 이종인유승민정수아
    • C09D11/037C09B67/38
    • C09D11/324C09B43/006C09B69/00C09D11/037
    • Provided are a method for preparing a self-dispersive colorant by a single step, and an ink composition, a paint and a toner composition containing the self-dispersive colorant prepared by the method which is excellent in long period storage stability and dispersion stability. The method comprises the step of reacting a hydrophilic group-containing halide represented by X-L-R1 and a colorant in the presence of a Lewis acid catalyst to prepare a self-dispersive colorant where a hydrophilic group is introduced represented by (colorant)-L-R1, wherein L is a single bond or -C(=O)-; R1 is a hydrophilic group-containing substituted or unsubstituted C1-C20 alkyl group, a hydrophilic group-containing substituted or unsubstituted C6-C20 aryl group, a hydrophilic group-containing substituted or unsubstituted C2-C20 heteroaryl group, or a hydrophilic group-containing substituted or unsubstituted C7-C20 arylalkyl group; and X is F, Br, I or Cl.
    • 本发明提供了通过单步制备自分散着色剂的方法,以及含有通过长期保存稳定性和分散稳定性优异的方法制备的含有自分散性着色剂的油墨组合物,油漆和调色剂组合物。 该方法包括在路易斯酸催化剂存在下使由XL-R1表示的含亲水性基团的卤化物和着色剂反应以制备自分散着色剂的步骤,其中由(着色剂)-L- R1,其中L是单键或-C(= O) - ; R1是含有亲水基团的取代或未取代的C1-C20烷基,含亲水基团的取代或未取代的C6-C20芳基,含亲水基团的取代或未取代的C2-C20杂芳基或含亲水基团 取代或未取代的C7-C20芳烷基; X为F,Br,I或Cl。