Rubber composition

Details Rubber composition Rubber composition

1992-04-23

1993-07-27

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524495, 423445, C08K 304

Patent

active

052311295

ABSTRACT:
A rubber composition comprising 100 parts by weight of a rubber ingredient compounded with 35-100 parts of a carbon black, said carbon black having a nitrogen adsorption specific surface area (N.sub.2 SA) of 60-160 m.sup.2 g and a dibutyl phthalate adsorption number (DBP) of 90-150 ml/100 g, and the intraaggregate mode diameter (Dp mode diameter) of the carbon black satisfying the following formula:
Dp mode diameter .gtoreq.75.2.times.(DBP/N.sub.2 SA)+8.0 wherein the Dp mode diameter refers to a mode diameter at the maximum frequency in the pore diameter distribution of carbon black particles measured by means of a differential scanning calorimeter (DSC).

REFERENCES:
patent: 4281703 (1981-08-01), Ahmad
patent: 4786680 (1988-11-01), Suzuki et al.
patent: 4871794 (1989-10-01), Itoh et al.
patent: 4914147 (1990-04-01), Mouri et al.
patent: 5093407 (1992-03-01), Komai et al.
patent: 5124396 (1992-06-01), Branan, Jr. et al.

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