Mixing procedure for obtaining filled rubber vulcanizates contai

Details Mixing procedure for obtaining filled rubber vulcanizates contai Mixing procedure for obtaining filled rubber vulcanizates contai

1984-09-21

1986-02-18

Lilling, Herbert J.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152374R, 524 87, 524 89, 524 91, 524 92, 524 94, 524496, 525194, 525233, 525347, 525375, 525377, 525381, C08C 400, C08K 535, C08K 304

Patent

active

045706905

ABSTRACT:
Filled rubber vulcanizates containing aromatic furazan oxides exhibit many improved properties such as increased filler-rubber interaction and decreased hysteresis. Useful furazan oxides have both carbons of the furazan ring as part of a fused aromatic ring. Typical examples are benzofurazan oxide and its methyl and methoxy analogs. Tires made from the inventive vulcanizates show lower running temperatures and improved rolling resistance. The desirable effects of the aromatic furazan oxides may be improved by mixing the rubber, filler and furazan oxide in a conventional mechanical compounding device at specific temperatures and time periods such as about 200.degree.-400.degree. F. for 2-20 minutes.

REFERENCES:
patent: 3931106 (1976-01-01), Crosby

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