WATER BASED BLACK INK FOR USE IN THE PRINTING INDUSTRY;BLACK;
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Technical Examples
There are provided a carbon black according to which long-term stable storage is possible, clogging is not prone to occurring, and the OD value is high and hence printing with a deep black color is possible, or a carbon black that can be used in a water-based ink that is used in ink jet printer printing, that has low settleability and can thus be stored stably for a long period, for which clogging is not prone to occurring, and for which the reflection density is high and hence printing with a high printing density and a deep black color is possible, a carbon black dispersion having the carbon black dispersed therein, and a water-based ink containing the carbon black. An embodiment of a modified carbon black of the present invention is a modified carbon black obtained by carrying out oxidation treatment on a carbon black having a primary particle diameter of 11 to 18 nm, a BET specific surface area of at least 180 m