Rubber composition containing carbon fibrils and a pneumatic tire
First Claim
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1. A rubber composition containing carbon fibrils in which 0.5 to 60 parts by weight of carbon fibril material comprised primarily of an aggregate of fibrils having an average diameter of 0.05 to 50 μ
- m in which fine, filiform carbon fibrils of 3.5 to 75 nm in diameter are intertwined with each other is mixed with 99.5 to 40 parts by weight of synthetic rubber and/or natural rubber.
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Abstract
A rubber composition containing carbon fibrils in which 0.5 to 60 parts by weight of carbon fibril material comprised primarily of an aggregate of fibrils having an average particle diameter of 0.05 to 50 microns in which fine, filiform carbon fibrils of 3.5 to 75 nm in diameter are intertwined with each other is mixed with 99.5 to 40 parts by weight of synthetic rubber and/or natural rubber and a pneumatic tire in which the surface layer is provided with this rubber composition.
18 Citations
2 Claims
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1. A rubber composition containing carbon fibrils in which 0.5 to 60 parts by weight of carbon fibril material comprised primarily of an aggregate of fibrils having an average diameter of 0.05 to 50 μ
- m in which fine, filiform carbon fibrils of 3.5 to 75 nm in diameter are intertwined with each other is mixed with 99.5 to 40 parts by weight of synthetic rubber and/or natural rubber.
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2. A pneumatic tire in which the surface layer of the tire is provided with a rubber composition, wherein said rubber composition contains carbon fibrils in which 0.5 to 60 parts by weight of carbon material comprised primarily of an aggregate of fibrils having an average diameter of 0.05 to 50 μ
- m in which fine, filiform carbon fibrils of 3.5 to 75 nm in diameter are intertwined with each other is mixed with 99.5 to 40 parts by weight of synthetic rubber and/or natural rubber.
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Current AssigneeHyperion Catalysis International Incorporated
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Original AssigneeHyperion Catalysis Int'L
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InventorsIkeda, Hiroharu, Niu, Chun Ming, Moy, David, Ogata, Naoya, Hausslein, Robert
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Primary Examiner(s)Cain, Edward J.
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Application NumberUS08/612,924Time in Patent Office878 DaysField of Search524/495, 524/496US Class Current524/495CPC Class CodesB60C 1/00 Tyres characterised by the ...B60C 1/0016 Compositions of the tread
