Carbon black for low-hysteresis rubber compositions

Details Carbon black for low-hysteresis rubber compositions Carbon black for low-hysteresis rubber compositions

1976-04-30

1978-01-31

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4232, 260763, 423445, 423450, C08K 304, C01B 3100

Patent

active

040714969

ABSTRACT:
A carbon black with a tint residual below -6 in a rubber composition causes the hysteresis or heat buildup of such a rubber composition to be significantly lower than that of a rubber composition incorporating a carbon black with a higher tint residual, while the abrasion resistance of such rubber compositions incorporating these different blacks remains essentially unchanged. Tint residual is the difference between the measured tint and the tint calculated from the structure, nitrogen surface area and CTAB surface area in accordance with a specific formula disclosed.

REFERENCES:
patent: 2851337 (1958-09-01), Heller
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patent: 3364156 (1968-01-01), Kraus
patent: 3490869 (1970-01-01), Heller
patent: 3675009 (1972-07-01), Kraus
patent: 3681031 (1972-08-01), Johnson
patent: 3725103 (1973-04-01), Jordan et al.
patent: 3799788 (1974-03-01), Jordan et al.
patent: 3830774 (1974-08-01), Jordan et al.
patent: 3864305 (1975-02-01), Jordan et al.
patent: 3915653 (1975-10-01), Cheng

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