A water based ink including a colored microparticle dispersion having water and 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 {HEAD ~ the core part} and the shell part are cross linked with {TAIL ~ a cross} linking agent 
cross linked with
A water based ink including a colored microparticle dispersion having water and 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 { HEAD ~ the core part } and the shell part are cross linked with { TAIL ~ a cross } linking agent
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