Process for production of deep colored small particle size gas b

Details Process for production of deep colored small particle size gas b Process for production of deep colored small particle size gas b

1975-01-28

1976-08-31

Garvin, Patrick P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

423450, 423452, 106307, 260 4244, 260 4219, C09C 148

Patent

active

039780198

ABSTRACT:
Deeply colored carbon black having a low content of extractable matter and a primary particle size of about 8-25 nanometers is made by the gas black process using as the carrier gas for the vapors of the carbon black forming oil a hydrogen rich mixture containing over about 50 volume % hydrogen and then collecting the separated carbon black deposited on a cooling roll.

REFERENCES:
patent: 1811854 (1931-06-01), Lewis
patent: 2665194 (1954-01-01), Jordan

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