Inversion carbon blacks and method for their manufacture

Details Inversion carbon blacks and method for their manufacture Inversion carbon blacks and method for their manufacture

1998-09-25

2000-05-02

Cain, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

524495, 524496, C01D 300, C08K 300

Patent

active

060569336

ABSTRACT:
Inversion carbon blacks and a method for their manufacture and disclosed. The inversion carbon blacks have a smaller rolling resistance with identical or improved wet sliding behavior. The particle size distribution contains a smaller proportion of particles with large diameters. This leads to an improved abrasion behavior of rubber compounds which were prepared using these carbon blacks. The inversion carbon blacks can be manufactured in conventional carbon black reactors by controlling the combustion in the combustion chamber in such a manner that carbon black nuclei form, which are immediately brought into contact with the carbon black raw material. The carbon blacks present a lower proportion of larger particles if the additions of combustion air and carbon black raw material are increased in an appropriate manner.

REFERENCES:
patent: 5320826 (1994-06-01), Yoshii et al.
patent: 5393821 (1995-02-01), Shiel et al.

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