| 摘要 |
An ink composition having an array of encapsulating particles contained within a liquid medium. The encapsulating particles encapsulate one or more pigment particles. The ink composition is prepared and formulated such that the density of the encapsulating particles approximate the density of the liquid medium containing the encapsulating particles such that a neutral buoyancy is achieved. More particularly, in a case where the liquid medium is water, the density of the encapsulating particles ranges from 0.9 g/cc to 1.1 g/cc.
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