<p>A process for preparing an encapsulated pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion comprising a pigment, a liquid medium and a dispersant comprising the repeat units from copolymerising the ethylenically unsaturated monomers in components a) to c): a) from 75 to 97 parts of one or morehydrophobic ethylenically unsaturated monomers comprising at least 50 parts benzyl (meth) acrylate; b) from 3 to 25 parts one or more hydrophilic ethylenically unsaturated monomers having one or more ionic group(s); c) from 0 to 2 parts of one or more hydrophilic ethylenically unsaturated monomers having a hydrophilic non-ionic group; and wherein the parts are by weight and the sum of the parts a) to c) add up to 100; II) cross-linking the dispersant in the presence of the pigment and the liquid medium.</p>
申请公布号
WO2010038071(A1)
申请公布日期
2010.04.08
申请号
WO2009GB51285
申请日期
2009.10.01
申请人
FUJIFILM IMAGING COLORANTS LIMITED;ANNABLE, TOM;O'DONNELL, JOHN;HOLBROOK, MARK;TALLANT, NEIL
发明人
ANNABLE, TOM;O'DONNELL, JOHN;HOLBROOK, MARK;TALLANT, NEIL