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AQUEOUS CARBON BLACK DISPERSION, AQUEOUS INK USING THE SAME AND METHOD FOR MANUFACTURING AQUEOUS CARBON BLACK DISPERSION
AQUEOUS CARBON BLACK DISPERSION, AQUEOUS INK USING THE SAME AND METHOD FOR MANUFACTURING AQUEOUS CARBON BLACK DISPERSION
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机译:水性碳黑分散体,使用其的水性油墨和制造水性碳黑分散体的方法
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摘要
PROBLEM TO BE SOLVED: To provide a high content aqueous carbon black dispersion which is suitably applied to a high concentration aqueous ink for meeting quality improvement and its manufacturing method, further an aqueous ink prepared by using the dispersion, a recording method performed by using the ink, and a record.;SOLUTION: The aqueous carbon black dispersion comprises at least (A) 12-30 wt.% surface-modified carbon black and (B) a nonionic surface active agent having an HLB value of 7-18 and an acetylene skeleton and has a surface tension at 25°C of 30-55 mN/m. The aqueous ink is prepared by using the aqueous carbon black dispersion, and the compounding amount of the surface modified carbon black is 4-12 wt.% based on the total ink amount.;COPYRIGHT: (C)2005,JPO&NCIPI
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