Title:
ELASTOMER COMPOSITION AND PNEUMATIC TIRE USING SAME
Document Type and Number:
WIPO Patent Application WO/2009/154155
Kind Code:
A1
Abstract:
Disclosed is an elastomer composition that suppresses ultraviolet-induced deterioration and can withstand long-term outdoor exposure. The elastomer composition is prepared by adding titanium oxide (C) in an amount of 2.5-8 wt% with respect to the weight of nylon resin (B) into the matrix phase of a butyl-based rubber/nylon resin blend composition, wherein the dispersion phase is a butyl-based rubber (A) as a mixture of (i) isobutylene and bromide of paramethyl styrene copolymer or (ii) butyl rubber, halogenated butyl rubber and/or polyisobutylene rubber and isobutylene and bromide of paramethyl styrene copolymer, and the matrix phase is the nylon resin (B) selected from nylon 11, nylon 6/66 copolymer, nylon 6 and/or nylon 66. Also disclosed is an pneumatic tire using the elastomer composition.
Inventors:
HARA YUICHI (JP)
Application Number:
PCT/JP2009/060821
Publication Date:
December 23, 2009
Filing Date:
June 09, 2009
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
HARA YUICHI (JP)
HARA YUICHI (JP)
International Classes:
C08L23/28; B60C5/14; C08J3/24; C08K3/22; C08K5/435; C08L77/00
Domestic Patent References:
| WO2007050071A1 | 2007-05-03 |
Foreign References:
| JPH03265662A | 1991-11-26 | |||
| JPS646043A | 1989-01-10 | |||
| JP2006514140A | 2006-04-27 | |||
| JP2000103917A | 2000-04-11 | |||
| JP2001512167A | 2001-08-21 |
Other References:
See also references of EP 2289993A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, JP)
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