A water based ink including a colored microparticle dispersion having water and a microparticle containing {TAIL ~ 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 a cross linking {HEAD ~ agent} 
A water based ink including a colored microparticle dispersion having water and a microparticle containing { TAIL ~ 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 a cross linking { HEAD ~ agent }
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