Pneumatic tire

Details Pneumatic tire Pneumatic tire

1991-04-26

1993-10-05

Kight, III, John

Stone working

Turning

Grinding-wheel dressing

525383, 524432, 524526, 524571, 524573, 524575, C08F26502, C08F26702

Patent

active

052506304

ABSTRACT:
A heat resistant pneumatic tire whose tread is composed of a rubber composition comprising, as a main rubber component, a modified, conjugated diene based polymer prepared by adding an .alpha., .beta.-unsaturated carboxylic acid represented by the following general formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 independently represent hydrogen atom, halogen atom, or an alkyl, alkenyl or allyl group having at most 5 carbon atoms, or a substituted alkyl, alkenyl or allyl group,
to a conjugated diene based polymer in an amount within the range between 0.1% and 5.0% based on the weight of the conjugated diene based polymer. This tire is suitable for continuous running at high temperatures and maintains a good road-surface-grip performance even during such running.

REFERENCES:
patent: 4513110 (1985-04-01), Radar

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