Process for the manufacture of waxes for carbon paper

Details Process for the manufacture of waxes for carbon paper Process for the manufacture of waxes for carbon paper

1976-04-07

1977-12-20

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260423, 260 28R, 106 31, 106270, 106285, C09F 702, C11C 300

Patent

active

040641490

ABSTRACT:
For coating carbon paper waxes are required which are not only capable to disperse high amounts of carbon black but also have good oil binding properties. For this purpose natural waxes carrying ester groups are treated with oxygen until they have a high carbon black absorption. The waxes are oxidized in the melt. They can also be oxidized in admixture with hydrocarbon waxes or the derivatives thereof.

REFERENCES:
patent: 1834865 (1931-12-01), Pungs et al.
patent: 2095338 (1937-10-01), Luther et al.
patent: 2426248 (1947-08-01), Sugarman
patent: 2783259 (1957-02-01), Hessler
patent: 2806827 (1957-09-01), Wilder
patent: 3060046 (1962-10-01), Kaupp et al.
patent: 3564032 (1971-02-01), Zinnert et al.
patent: 3941608 (1976-03-01), Ehrhardt et al.

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