Method for producing tread rubber member and tire production method
AssigneeToyo Tire Corporation
InventorHiroyuki Takahashi
Life of this patent
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Abstract
Provided are a method for producing a tread rubber member that can improve low heat generation properties while maintaining workability and tear resistance, and a tire production method. A method for producing a tread rubber member, having a step for kneading a diene rubber, carbon black, a compound represented by the following formula (1) (in the formula, R1 and R2 represent a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group, and M+, is Na+, K+ or Li+) and zinc flower, and a step for adding silica to the kneaded product obtained in the above step, followed by kneading.
Claims21
1-4. (canceled)
A method for producing a tread rubber member, having:
- a step for kneading a diene rubber, carbon black, a compound represented by the following formula (I) and zinc flower, and
- a step for adding silica to the kneaded product obtained in the above step, followed by kneading:
- wherein R1 and R2 represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 1 to 20 carbon atoms or an alkynyl group having 1 to 20 carbon atoms, R1 and R2 may be the same or different, and M+ represents a sodium ion, a potassium ion or a lithium ion.
Dependencies are inferred from the claim text.