Title:
RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME IN TREAD
Document Type and Number:
WIPO Patent Application WO/2004/011545
Kind Code:
A1
Abstract:
A rubber composition comprising as rubber components a specified styrene-butadiene copolymer (A) and a styrene-isoprene copolymer of specified hydrogenation ratio (B) wherein the amount of bound styrene of the copolymer (B) is larger than that of the copolymer (A) by a given amount is excellent in abrasion resistance and rupture characteristics and realizes enhanced wet skid resistance and dry grip properties.
Inventors:
SHINZAKI KOJI (JP)
HATAYAMA YOSHIKATSU (JP)
HATAYAMA YOSHIKATSU (JP)
Application Number:
PCT/JP2003/009546
Publication Date:
February 05, 2004
Filing Date:
July 28, 2003
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
SHINZAKI KOJI (JP)
HATAYAMA YOSHIKATSU (JP)
SHINZAKI KOJI (JP)
HATAYAMA YOSHIKATSU (JP)
International Classes:
B60C1/00; C08L9/06; C08L15/00; (IPC1-7): C08L9/06; C08L15/00; B60C1/00
Foreign References:
| JP2000129037A | 2000-05-09 | |||
| JPH11116715A | 1999-04-27 | |||
| JPH01215837A | 1989-08-29 |
Other References:
See also references of EP 1544241A4
Attorney, Agent or Firm:
Sugimura, Kosaku (2-4 Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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