Title:
タイヤ用ゴム組成物の製造方法
Document Type and Number:
Japanese Patent JP6958005
Kind Code:
B2
Abstract:
To provide a production method of a rubber composition for a tire, by which such a rubber composition for a tire can be obtained that is improved in dispersibility of silica and improved in high mileage property and wet grip performance in a balanced manner while achieving good processability.SOLUTION: The production method of a rubber composition for a tire includes: a base kneading step of kneading a rubber component, silica, a silane coupling agent and a vulcanization accelerator; a finish kneading step of kneading a kneaded material 1 obtained in the base kneading step with a vulcanizer; and an extrusion step of extruding a kneaded material 2 obtained in the finish kneading step by use of an extruder that includes a cylinder and a screw. The extrusion step is carried out by controlling a temperature difference between the cylinder and the screw to 12 to 33°C.SELECTED DRAWING: None
Inventors:
Ryuichi Tokune
Takeo Nakazono
Ryota Kitago
Tomohiro Tanaka
Takeo Nakazono
Ryota Kitago
Tomohiro Tanaka
Application Number:
JP2017115970A
Publication Date:
November 02, 2021
Filing Date:
June 13, 2017
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
C08J3/20; B60C1/00; C08K3/36; C08K5/36; C08L9/00
Domestic Patent References:
| JP2016125018A | ||||
| JP2013213167A | ||||
| JP2013159653A | ||||
| JP2012200949A |
Attorney, Agent or Firm:
Atomi International Patent Office
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