Tire tread rubber composition

Details Tire tread rubber composition Tire tread rubber composition

1984-07-20

1985-10-22

Lieberman, Allan M.

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...

524496, C08K 304, C08L 700, C08L 900, C08L 906

Patent

active

045489807

ABSTRACT:
A rubber composition, comprising from 20 to 150 parts by weight of carbon black incorporated in 100 parts by weight of rubber, said carbon black being a furnace carbon black having (1) a specific surface area (N.sub.2 SA) within the range of 75 to 105 as measured by the nitrogen adsorption technique, (2) the difference between said N.sub.2 SA value and the measured iodine adsorption (IA) being at least 15 (N.sub.2 SA-IA.gtoreq.15) and (3) the difference between said N.sub.2 SA value and the measured surface by the cetyltrimethylammonium bromide technique (CTAB) being not greater than 5 (N.sub.2 SA-CTAB.ltoreq.5), said furnace carbon black further having a dibutyl phthalate adsorption value (24M4 DBP) of not greater than 110 (ml/100 g) and a tinting strength (Tint) of 90 to 110, said carbon black having a storage elastic modulus E' of not greater than 12.5 MPa as specified by the ASTM-D 3191 method for carbon blacks.

REFERENCES:
patent: 3725103 (1973-04-01), Jordan et al.
patent: 4035336 (1977-07-01), Jordan et al.
patent: 4071496 (1978-01-01), Kraus et al.
patent: 4309318 (1982-01-01), Ahagon et al.

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