Production process for self-dispersible pigment, self-dispersible pigment, ink, ink cartridge and ink jet recording method
Abstract:
The invention provides a production process for a self-dispersible pigment, having a step of bonding a functional group containing a hydrophilic group to a particle surface of a pigment by causing at least one treatment agent selected from the group consisting of a compound represented by the following general formula (1) and a compound represented by the following general formula (2) to react with the particle surface of the pigment: wherein A1 and A2 are each a carboxylic acid group or the like.
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