公开(公告)号：DK465276A

公开(公告)日：1977-04-19

申请号：DK465276

申请日：1976-10-15

Applicant: HOECHST AG

Inventor： RIEGER K ,  STETTER K-H ,  WILDGRUBER J

IPC: B41M5/10 ,  C09F1/04 ,  C11B11/00 ,  C11C3/00 ,  C08H

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.