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Patent Searching and Data


Title:
PNEUMATIC TIRE AND RUBBER MASTERBATCH
Document Type and Number:
WIPO Patent Application WO/2014/192635
Kind Code:
A1
Abstract:
Provided is a pneumatic tire which has excellent processability and which can improve wet grip performance, fuel economy, abrasion resistance, flexural fatigue resistance and durability in a balanced manner. This pneumatic tire comprises at least one component selected from a group consisting of a tread, a side wall and a tire inner member manufactured using a rubber composition that contains carbon black, silica and an emulsion polymerized rubber having at most a 2.5 mass% content of acetone extract obtained by an acetone extraction method; or, this pneumatic tire comprises at least one component selected from a group consisting of a tread, a side wall and a tire inner member manufactured using a rubber composition that contains carbon black, silica and an emulsion polymerized rubber having at most a 2.5 mass% soap content and organic acid content.

Inventors:
INOUE SATORU (JP)
FUJISAWA KOJI (JP)
MORIMOTO KENICHI (JP)
Application Number:
PCT/JP2014/063591
Publication Date:
December 04, 2014
Filing Date:
May 22, 2014
Export Citation:
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Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C1/00; C08J3/22; C08K3/04; C08K3/36; C08K5/37; C08L9/08; C08L9/10
Foreign References:
JP2011173510A2011-09-08
JP2011189807A2011-09-29
JP2011189808A2011-09-29
JPH06192480A1994-07-12
JP2012102239A2012-05-31
JP2012102240A2012-05-31
JP2012111888A2012-06-14
JP4272289B22009-06-03
JP2004043598A2004-02-12
JP2004277443A2004-10-07
Other References:
KAZUHITO SONE: "Structure and Physical Properties of SBR/Carbon Black Masterbatch Produced by Wet Dispersion System", JOURNAL OF THE SOCIETY OF RUBBER INDUSTRY, vol. 67, no. 6, 1994, pages 391 - 401, XP055297019
KAZUHITO SONE: "Abrasion of wet method SBR/ carbon masterbatch", GOMU GIJUTSU SYMPOSIUM TEXT, 27TH, 1992, pages 49 - 52, XP008182528
K. SONE: "Advantage of SBR/carbon black masterbatch for tire tread application", RUBBER WORLD, vol. 206, no. 1, 1992, pages 29 - 34, XP008181327
See also references of EP 2995638A4
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
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