Title:
MASTERBATCH, METHOD FOR PRODUCING MASTERBATCH, TIRE RUBBER COMPOSITION, METHOD FOR PRODUCING TIRE RUBBER COMPOSITION, TIRE RUBBER MATERIAL, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2024/085031
Kind Code:
A1
Abstract:
[Problem] To provide: a tire rubber material having an excellent balance of wear resistance, fuel efficiency, and wet grip; a masterbatch and a tire rubber composition that are suitable for producing said tire rubber material; a manufacturing method thereof; and a tire including a tire member made of said tire rubber material. [Solution] Provided is a masterbatch comprising: a rubber component that is at least one selected from the group consisting of natural rubber and synthetic rubber; a reinforcing filler containing hydrophilic fumed silica; and a silane coupling agent, wherein on the basis of 100 parts by mass of the rubber component, the amount of the hydrophilic fumed silica is 13-130 parts by mass and the amount of the silane coupling agent is 1-40 parts by mass, and the mass proportion of the hydrophilic fumed silica in 100 mass% of the reinforcing filler is at least 50%.
Inventors:
KONDOU MANABU (JP)
MATSUMOTO TOMOKI (JP)
KUDO YASUHIKO (JP)
NAKAMURA MASAHIRO (JP)
MATSUMOTO TOMOKI (JP)
KUDO YASUHIKO (JP)
NAKAMURA MASAHIRO (JP)
Application Number:
PCT/JP2023/036867
Publication Date:
April 25, 2024
Filing Date:
October 11, 2023
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C08J3/22; C08K3/36; C08K5/54; C08K5/548; C08L7/00; C08L21/00
Domestic Patent References:
| WO2022091953A1 | 2022-05-05 | |||
| WO2023054510A1 | 2023-04-06 |
Foreign References:
| JP2015183061A | 2015-10-22 | |||
| JP2015183062A | 2015-10-22 | |||
| JP2016037602A | 2016-03-22 | |||
| JP2003192842A | 2003-07-09 |
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
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