Title:
A RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/073905
Kind Code:
A1
Abstract:
A rubber composition, which allows unexpectedly improved efflorescence performance without deteriorated ozone resistance performance, is based on at least an elastomer matrix; a reinforcing filler, an anti-ozone wax, and a crumb rubber; wherein the elastomer matrix comprises an isoprene elastomer and a butadiene elastomer; wherein the total amount of the isoprene elastomer is more than 35 phr and less than 65 phr; wherein the total amount of the butadiene elastomer is more than 35 phr and less than 65 phr; wherein the total amount of the reinforcing filler is more than 10 phr and less than 50 phr; wherein the total amount of the anti-ozone wax is more than 1 phr and less than 3 phr; and wherein the total amount of the crumb rubber is more than 5 phr and less than 20 phr.
Inventors:
MAETA YOSHIKO (JP)
MAYER SYLVAIN (FR)
RIOU ALINE (FR)
MAYER SYLVAIN (FR)
RIOU ALINE (FR)
Application Number:
PCT/JP2021/039971
Publication Date:
May 04, 2023
Filing Date:
October 29, 2021
Export Citation:
Assignee:
MICHELIN & CIE (FR)
International Classes:
B60C1/00; C08L7/00
Domestic Patent References:
| WO2009083160A1 | 2009-07-09 |
Foreign References:
| EP3865313A1 | 2021-08-18 | |||
| US20200101793A1 | 2020-04-02 | |||
| US7445170B2 | 2008-11-04 |
Attorney, Agent or Firm:
WADA Yukihiro (JP)
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