| 摘要 |
The water-based ink set for ink-jet recording includes a cyan ink and a blue ink with dynamic surface tensions thereof satisfying the following inequalities (I<SUB>CB</SUB>), (II<SUB>CB</SUB>), (III<SUB>CB</SUB>) and (IV<SUB>CB</SUB>) <?in-line-formulae description="In-line Formulae" end="lead"?>sigma<SUB>30C</SUB><=about 49 mN/m (I<SUB>CB</SUB>) <?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>sigma<SUB>30C</SUB>+sigma<SUB>30B</SUB><=about 100 mN/m (II<SUB>CB</SUB>) <?in-line-formulae description="In-line Formulae" end="tail"?> wherein sigma<SUB>30C </SUB>is the dynamic surface tension of the cyan ink at a lifetime of 30 ms and sigma<SUB>30B </SUB>is the dynamic surface tension of the blue ink at a lifetime of 30 ms, <?in-line-formulae description="In-line Formulae" end="lead"?>sigma<SUB>1000B</SUB>>=about 36 mN/m (III<SUB>CB</SUB>) <?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>sigma<SUB>1000C</SUB>+sigma<SUB>1000B</SUB>>=about 70 mN/m (IV<SUB>CB</SUB>) <?in-line-formulae description="In-line Formulae" end="tail"?> wherein sigma<SUB>1000C </SUB>is the dynamic surface tension of the cyan ink at a lifetime of 1,000 ms and sigma<SUB>1000B </SUB>is the dynamic surface tension of the blue ink at a lifetime of 1,000 ms.
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