Title:
RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/029814
Kind Code:
A1
Abstract:
It is intended to provide a rubber composition having low-temperature flexibility and low rolling resistance which are highly compatible with each other by blending (B) a low-molecular weight conjugated diene polymer which has at least one functional group and a polystyrene-conversion weight average molecular weight of 2,000 or more and less than 150,000 as measured in a state of no modified end by gel permeation chromatography, and in which the binding amount of an aromatic vinyl compound is less than 5% by mass and (C) a filling material in (A) a high-molecular weight rubber component which has a polystyrene-conversion weight average molecular weight of 150,000 or more as measured in a state of no modified end by gel permeation chromatography.
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Inventors:
OHTA, Fuminori (Technical Center 3-1-1, Ogawahigashi-ch, Kodaira-shi Tokyo 31, 1878531, JP)
太田 文徳 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン 技術センター内 Tokyo, 1878531, JP)
MASAKI, Koji (Technical Center 3-1-1, Ogawahigashi-ch, Kodaira-shi Tokyo 31, 1878531, JP)
太田 文徳 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン 技術センター内 Tokyo, 1878531, JP)
MASAKI, Koji (Technical Center 3-1-1, Ogawahigashi-ch, Kodaira-shi Tokyo 31, 1878531, JP)
Application Number:
JP2007/067238
Publication Date:
March 13, 2008
Filing Date:
September 04, 2007
Export Citation:
Assignee:
BRIDGESTONE CORPORATION (10-1, Kyobashi 1-chome Chuo-k, Tokyo 40, 1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 1048340, JP)
OHTA, Fuminori (Technical Center 3-1-1, Ogawahigashi-ch, Kodaira-shi Tokyo 31, 1878531, JP)
太田 文徳 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン 技術センター内 Tokyo, 1878531, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋１丁目１０番１号 Tokyo, 1048340, JP)
OHTA, Fuminori (Technical Center 3-1-1, Ogawahigashi-ch, Kodaira-shi Tokyo 31, 1878531, JP)
太田 文徳 (〒31 東京都小平市小川東町３－１－１ 株式会社ブリヂストン 技術センター内 Tokyo, 1878531, JP)
International Classes:
C08L21/00; B60C1/00; C08J9/06; C08L9/00
Attorney, Agent or Firm:
SUGIMURA, Kenji et al. (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 1000013, JP)
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