A water based ink including a colored microparticle dispersion having water and {TAIL ~ a microparticle} containing a resin and a colorant, wherein the microparticle has a core part and a shell part to form a core shell structure and the core part and the shell part are cross linked with {HEAD ~ a cross} linking agent 
A water based ink including a colored microparticle dispersion having water and { TAIL ~ a microparticle } containing a resin and a colorant , wherein the microparticle has a core part and a shell part to form a core shell structure and the core part and the shell part are cross linked with { HEAD ~ a cross } linking agent
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