Oxidatively aftertreated carbon black

Details Oxidatively aftertreated carbon black Oxidatively aftertreated carbon black

C - Chemistry, Metallurgy

09

C

C09C 1/52 (2006.01) C09C 1/56 (2006.01) C09C 3/06 (2006.01) C09D 11/00 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2272768

The invention relates to an oxidatively aftertreated carbon black. It is characterised in that its content of volatile constituents is more than 10 wt.%, based on its total weight, and the ratio of its CTAB surface area to the iodine number is greater than 2 m2/mg. The carbon black according to the invention is used preferably as pigment carbon black for the production of water-based paints, printing inks and as inks for mechanical and manual recording and drawing instruments. The combination of properties imparts to the carbon black an excellent dispersibility in water-based binder systems. The paints, printing inks and printer inks produced from it have an outstanding stability in storage.

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