Carbon black for tire tread

Details Carbon black for tire tread Carbon black for tire tread

1989-10-12

1991-10-22

Kunemund, Robert

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423449, 423450, 423458, C01B 3102, C09C 148

Patent

active

050594087

ABSTRACT:
There is disclosed carbon black for a tire tread which has a cetyltrimethylammonium bromide specific surface area (CTAB) of 120 to 160 M.sup.2 /g, a dibutly phthalate absorption number of compressed sample (24M4DBP) of at least 100 to 145 ml/100g, a tinting strength (Tint) of 100 to 150%, and such a value Ma defined by the following equation (1) as to satisfy the relationship expressed by the following formula (2): ##EQU1## wherein N.sub.2 SA is a nitrogen adsorption specific surface area (m.sup.2 /g), and Dst is the equivalent Stokes diameter (nm) at the maximum absorbance of the distribution curve of aggregates determined by the centrifugal classification method, and ps

REFERENCES:
patent: 4071496 (1978-01-01), Kraus et al.
patent: 4250145 (1981-02-01), Pobst et al.
patent: 4267160 (1981-05-01), Kraus et al.
patent: 4287743 (1981-09-01), Ruble
patent: 4316881 (1982-02-01), Pobst et al.
patent: 4500672 (1985-02-01), Suzuki et al.

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