RUBBER COMPOSITION FOR TIRES, PNEUMATIC TIRE, AND AN AIRLESS TIRE

Title:

RUBBER COMPOSITION FOR TIRES, PNEUMATIC TIRE, AND AN AIRLESS TIRE

Document Type and Number:

WIPO Patent Application WO/2016/056444

Kind Code:

A1

Abstract:

[Problem] To provide a rubber composition for tires, a pneumatic tire, and an airless tire that can improve tire steering stability while exhibiting very low fuel consumption. [Solution] A rubber composition for tires, said composition characterized by having, as physical properties of vulcanized rubber, an initial strain of 10%, a dynamic strain of 2%, and, at 70°C, a complex elastic modulus E*70 (unit: MPa) and a loss tangent tanδ70 that satisfy 90800. A pneumatic tire provided with a rubber member formed from the rubber composition. An airless tire provided with a rubber member formed from the rubber composition. An airless tire in which a shear rubber layer (107) is provided to the inside of a tread ring, wherein the shear rubber layer is formed from the rubber composition.

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Inventors:

YOKOYAMA YUKA (JP)
SUGIMOTO MUTSUKI (JP)
IWAMURA WAKO (JP)
SUGIYA MAKOTO (JP)

Application Number:

PCT/JP2015/077765

Publication Date:

April 14, 2016

Filing Date:

September 30, 2015

Export Citation:

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Assignee:

SUMITOMO RUBBER IND (JP)

International Classes:

B60C1/00; B60B9/26; B60C7/00; B60C15/06; B60C17/00

Foreign References:

JP2007296870A	2007-11-15
JPH07144508A	1995-06-06
JP2010511560A	2010-04-15
JP2013221052A	2013-10-28
JP2009035051A	2009-02-19
JPH0747806A	1995-02-21
JP2002012004A	2002-01-15
JP2004083001A	2004-03-18

Other References: