Title:
RUBBER COMPOSITION FOR TREAD, TREAD MEMBER, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2018/230221
Kind Code:
A1
Abstract:
Provided is a rubber composition for tread which has a continuous phase 2 and at least one discontinuous phase 4 and is obtained by vulcanizing an unvulcanized rubber composition containing a diene polymer-containing rubber component, wherein the elastic modulus E1 at 0°C of a rubber composition constituting the continuous phase 2 and the elastic modulus E2 at 0°C of a rubber composition constituting the discontinuous phase 4 satisfy 2≤(E1/E2)≤10. The rubber composition for tread exhibits excellent wet grip performance without damaging low heat generation performance. The rubber composition for tread also contains a filler 6. The filler 6 is preferably localized in the continuous phase 2.
Inventors:
SONE RYOTA (JP)
Application Number:
PCT/JP2018/018324
Publication Date:
December 20, 2018
Filing Date:
May 11, 2018
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L15/00; B60C1/00; C08K3/04; C08K3/36; C08L9/00
Foreign References:
| JP2014145061A | 2014-08-14 | |||
| JP2015054862A | 2015-03-23 | |||
| JP2013112731A | 2013-06-10 | |||
| JP2015083649A | 2015-04-30 | |||
| JP2011122057A | 2011-06-23 | |||
| JP2013213179A | 2013-10-17 | |||
| JPH11189616A | 1999-07-13 |
Attorney, Agent or Firm:
OHTANI, Tamotsu (JP)
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