B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 1/00 (2006.01) C08K 3/04 (2006.01) C08L 21/00 (2006.01) C08L 23/22 (2006.01) C08L 23/26 (2006.01)
Patent
CA 2708954
The invention relates to a rubber composition in particular intended for the manufacture of tyres, based on at least one elastomer that is present in the majority chosen from the group composed of butyl rubbers, predominantly unsaturated diene elastomers, predominantly saturated diene elastomers and blends of these elastomers, and a reinforcing filler, characterized in that the composition also comprises graphite and a functionalized or unfunctionalized polyisobutylene oil, having a molecular weight between 200 g/mol and 40 000 g/mol, present in a proportion between 2 and 50 phr.
L'invention concerne une composition de caoutchouc notamment destinée à la fabrication de pneumatiques, à base d'au moins un élastomère majoritaire choisi dans le groupe constitué par les caoutchoucs butyl, les élastomères diéniques essentiellement insaturés, les élastomères diéniques essentiellement saturés et les mélanges de ces élastomères, et une charge renforçante caractérisée en ce que la composition comprend également du graphite et une huile polyisobutylène fonctionnalisée ou non, ayant une masse moléculaire comprise entre 200 g/mol et 40 000 g/mol, présente dans une proportion comprise entre 2 et 50 pce.
Joseph Aurelie
Riou Aline
Michelin Recherche Et Technique S.a.
Robic
LandOfFree
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