Title:
MASTERBATCH, METHOD FOR PRODUCING MASTERBATCH, RUBBER COMPOSITION FOR TIRES, METHOD FOR PRODUCING RUBBER COMPOSITION FOR TIRES, AND RUBBER MATERIAL FOR TIRES
Document Type and Number:
WIPO Patent Application WO/2023/054510
Kind Code:
A1
Abstract:
Provided are: a rubber material for tires having excellent wear resistance; a masterbatch and a rubber composition for tires suitable for producing same; and a method for producing same. The masterbatch contains 13-130 parts by mass of hydrophilic fumed silica and 1-40 parts by mass of a silane coupling agent with respect to 100 parts by mass of a diene-based rubber. The rubber composition for tires contains 5-90 parts by mass of hydrophilic fumed silica and 1.5-30 parts by mass of a silane coupling agent with respect to 100 parts by mass of a diene-based rubber. The method for producing a masterbatch comprises a step for kneading a diene-based rubber, hydrophilic fumed silica, and a silane coupling agent using a kneader.
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Inventors:
KONDOU MANABU (JP)
NAKAMURA MASAHIRO (JP)
KUDO YASUHIKO (JP)
MATSUMOTO TOMOKI (JP)
NAKAMURA MASAHIRO (JP)
KUDO YASUHIKO (JP)
MATSUMOTO TOMOKI (JP)
Application Number:
PCT/JP2022/036258
Publication Date:
April 06, 2023
Filing Date:
September 28, 2022
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C08J3/22; B60C1/00; C08K3/36; C08K5/54; C08K5/541; C08L7/00; C08L9/00
Domestic Patent References:
| WO2020196218A1 | 2020-10-01 |
Foreign References:
| JP2015183061A | 2015-10-22 | |||
| JP2015183062A | 2015-10-22 | |||
| JP2012246331A | 2012-12-13 | |||
| JP2000345042A | 2000-12-12 | |||
| JP2015067691A | 2015-04-13 | |||
| JP2015218254A | 2015-12-07 | |||
| JPH06256578A | 1994-09-13 | |||
| JP2019094463A | 2019-06-20 | |||
| JP2011052067A | 2011-03-17 |
Other References:
SURFACE SCIENCE, vol. 5, no. 1, 1984
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
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