Inkjet Ink Compositions Comprising Polymeric Dispersants Having Attached Chromophore Groups
申请人:Shakhnovich Alexander I.
公开号:US20110207860A1
公开(公告)日:2011-08-25
The present invention relates to an inkjet ink composition comprising a liquid vehicle, a pigment, and a polymeric dispersant. In one embodiment, the pigment comprises a colorant having the formula A-(B)
x
or is a carbon black pigment and the polymeric dispersant comprises a polymeric group and at least one group having the formula -A′-(B)
y
(C)
z
, wherein A and A′ are organic chromophore groups. In a second embodiment, the polymeric dispersant comprises a polymeric group and an organic chromophore group capable of interacting with the pigment.
本发明涉及一种喷墨墨水组合物,包括液体载体、颜料和聚合物分散剂。在一种实施例中,颜料包括具有A-(B)x公式的着色剂,或者是碳黑颜料,聚合物分散剂包括聚合物基团和至少一个具有-A′-(B)y(C)z公式的基团,其中A和A′是有机色团基团。在第二种实施例中,聚合物分散剂包括聚合物基团和能够与颜料相互作用的有机色团基团。