Carbon black useful for pigment for black lacquers

Details Carbon black useful for pigment for black lacquers Carbon black useful for pigment for black lacquers

1981-06-01

1982-12-28

Vertiz, O. R.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423449, 106307, C01B 3102, C01B 3100

Patent

active

043661386

ABSTRACT:
An oxidized carbon black (gas black) is prepared within the MCC (medium color channel black) area showing primary particle sizes of an average diameter of 16 to 18 nm and a content of volatiles of at least 15% which, as secondary characteristics, has a specific surface area (BET) of 300 to 420 m.sup.2 /g, an oil absorption (stiff paste) conducted on carbon black powder of 430 to 560 g/100 g, an oil absorption (stiff paste) conducted on carbon black beads of 370 to 450 g/100 g, a pH value of 2 to 5, a nigrometer index of 68 to 72 and a maximum content of volatiles of 25%. The carbon black is used as a pigment in high jet black lacquers.

REFERENCES:
patent: 2707273 (1955-05-01), Sweitzer et al.
patent: 3365637 (1971-02-01), Dennenberg et al.
patent: 3383232 (1968-05-01), Jordan et al.
patent: 3398009 (1968-08-01), Deery
patent: 3595618 (1971-07-01), Kiyonaga et al.
patent: 3978019 (1976-08-01), Oelmann et al.

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