Rubber composition for side reinforcement and run flat tire...

Details Rubber composition for side reinforcement and run flat tire... Rubber composition for side reinforcement and run flat tire...

2006-08-01

2010-02-23

Choi, Ling-Siu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C152S516000, C524S236000, C524S418000

Reexamination Certificate

active

07666937

ABSTRACT:
A rubber composition for reinforcing a side having both low exothermic property and high hardness is provided.The invention relates to a rubber composition for reinforcing a side of a run flat tire, comprising 10 to 100 parts by weight of carbon black having a nitrogen adsorbing-specific area of 30 to 100 m2/g and a dibutyl phthalate oil absorption amount of at least 50 ml/100 g, at least 2 parts by weight of sulfur or a sulfur compound, and 5 to 120 parts by weight of (1) a lamellar alumina powder or (2) fluorine-containing mica having an aspect ratio of 3 to 50 based on 100 parts by weight of a diene rubber component.

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