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1. (WO2018078308) RUBBER COMPOSITION COMPRISING A SPECIFIC REINFORCING FILLER

Pub. No.:    WO/2018/078308    International Application No.:    PCT/FR2017/052986
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Tue Oct 31 00:59:59 CET 2017
IPC: B60C 1/00
C08K 3/04
C08K 3/06
C08K 5/05
C08K 5/098
Applicants: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
Inventors: BARBOUTEAU, Joël
FRISCH, Auriane
MIMA, Kazuhide
SHIOZAWA, Natsuko
Title: RUBBER COMPOSITION COMPRISING A SPECIFIC REINFORCING FILLER
Abstract:
The invention relates to a rubber composition with improved rolling resistance, comprising at least: a diene elastomer containing mainly an isoprene elastomer; a reinforcing filler comprising between 5 and 60 phr carbon black having a specific surface area (BET) of less than 70 m²/g, known as coarse black, and between 0 and 30 phr carbon black having a specific surface area (BET) greater than or equal to 70 m²/g, known as fine black; a salt of an alkali metal, an alkaline earth metal or lanthanide; and a crosslinking system.