Title:
リトレッド用トレッドゴムの製造方法および更生タイヤの製造方法
Document Type and Number:
Japanese Patent JP6820180
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method capable of producing a tread rubber for retreading which suppresses an increase in Mooney viscosity caused by storage.SOLUTION: There is provided a method for producing a first tread rubber for retreading which comprises: a step of coagulating a rubber latex before coagulation treatment containing carbon black to obtain a coagulated product; a step of adding a compound exemplified by sodium (2Z)-4-[4-aminophenyl)amino]-4-oxo-2-butenoate, which is a sodium ion, potassium ion or lithium ion salt comprising an acid amide bond obtained by reacting a phenylenediamine derivative with maleic acid, to the coagulated product containing water; and a step of dispersing the compound in the coagulated product.SELECTED DRAWING: None
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Inventors:
Yuki Gokaya
Application Number:
JP2016202817A
Publication Date:
January 27, 2021
Filing Date:
October 14, 2016
Export Citation:
Assignee:
toyo tire Co., Ltd.
International Classes:
C08J3/02; B29D30/54; B60C1/00; C08J3/20; C08K3/04; C08L21/00
Domestic Patent References:
| JP2014084312A | ||||
| JP2014159524A | ||||
| JP2002542066A |
Foreign References:
| WO2016056443A1 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office