Vulcanized rubber composition, pneumatic tire and the process of producing the same
AssigneeSumitomo Rubber Industries, Ltd.
InventorsHiroyuki Yano, Yukio Isobe, Naoya Ichikawa, Takayuki Hattori
Life of this patent
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Abstract
By using a vulcanized rubber composition containing a rubber component composed of at least any one of a natural rubber, a modified natural rubber and a synthetic rubber, and chemically modified microfibril cellulose, it is possible to provide a vulcanized rubber composition that is environmentally conscious and that exhibits excellent rupture characteristics and a low energy loss, and a pneumatic tire that is excellent in rolling resistance property, steering stability and durability.
Claims14
A vulcanized rubber composition comprising a rubber component composed of at least any one of a natural rubber, a modified natural rubber and a synthetic rubber, and chemically modified microfibril cellulose.
A method for producing a vulcanized rubber composition, the method comprising mixing, to a rubber latex containing at least one rubber component of a natural rubber, a modified natural rubber and a synthetic rubber, 1 to 50 parts by mass, relative to 100 parts by mass of said rubber component, of chemically modified microfibril cellulose, followed by drying to prepare a masterbatch.
Dependencies are inferred from the claim text.