Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Patent
1984-06-18
1985-12-10
Lilling, Herbert J.
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
106288B, 106307, 106308B, 524 87, 524 89, 524 91, 524 92, 524 94, 524496, 525237, 525347, 525375, 525377, 525381, C08C 400, C08K 535, C08K 304
Patent
active
045573069
ABSTRACT:
Carbon black products useful in rubber compositions, and rubber compositions (uncured or cured) containing said carbon black products are described. The carbon black products of the invention comprise carbon black having a surface area of at least 20 m.sup.2 /g. and up to about 10% by weight, based on the weight of the carbon black of at least one aromatic furazan oxide. Useful furazan oxides have both carbons of the furazan ring as part of a fused aromatic ring, and particular examples include benzofurazan oxide, and its methyl and methoxy analogs. Improvements in the processability of uncured rubber compositions containing the carbon black products of the invention have been observed.
Filled rubber vulcanizates containing the carbon black products of the invention exhibit many improved properties such as increased filler-rubber interaction and decreased hysteresis. Tires made from the vulcanizates prepared with the carbon black products of the invention show lower running temperatures and improved rolling resistance.
REFERENCES:
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patent: 2974120 (1961-03-01), Miller
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patent: 4024327 (1977-05-01), Diefenbach
patent: 4185018 (1980-01-01), Fah
Rehner & Flory, Ind. & Eng. Chem. 38, pp. 500 et seq.
Rubber Chem. & Tech. 49, p. 119, (1976).
Tanka, Kogyo Kagah Zasshu 74(8), 1701-6.
Hall Daniel N.
Lilling Herbert J.
The Firestone Tire & Rubber & Company
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