Non-aqueous quinacridone dispersions using dispersion synergists

作者: Nicolas Point , Geert Deroover

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摘要: A non-aqueous pigment dispersion includes a quinacridone pigment, polymeric dispersant, and synergist in medium wherein the is derivative substituted on one of two nitrogen atoms basic chromophore structure by group including at least carboxyl or salt thereof. Also, method for printing an ink-jet image with ink dispersion.

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