RUBBER COMPOSITION, RUBBER COMPOSITION FOR CRAWLERS, LUG PART RUBBER, AND RUBBER CRAWLER

WIPO Patent Application WO/2017/119254

A1

A rubber composition which is obtained by blending: 100 parts by mass of an unvulcanized starting material rubber component that is mainly composed of a diene rubber; from 100 parts by mass to 500 parts by mass (inclusive) of a regenerated rubber per 100 parts by mass of the starting material rubber component; and a vulcanizing agent within the range of (blending amount of regenerated rubber (parts by mass)/200) × (1.0-3.0 parts by mass), zinc oxide within the range of (blending amount of regenerated rubber (parts by mass)/200) × (1.0-4.0 parts by mass) and carbon black within the range of (blending amount of regenerated rubber (parts by mass)/200) × (10.0-20.0 parts by mass), respectively relative to a specific base blend. This rubber composition enables the achievement of a rubber which has excellent wear resistance and excellent tensile strength even in cases where a larger amount of a regenerated rubber is blended therein in comparison to conventional rubber compositions.

JPWO2018225564	Rubber compositions, rubber products, and tires
JP6344077	Rubber composition for tire tread

TANIMOTO YOSHIKAZU (JP)

PCT/JP2016/087296

July 13, 2017

December 14, 2016

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BRIDGESTONE CORP (JP)

C08L17/00; B62D55/24; B62D55/253; C08K3/04; C08K3/22; C08L9/00; C08L91/00

WO2009093695A1

2009-07-30

JP2002265680A	2002-09-18
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JPH1053171A	1998-02-24
JP2008056028A	2008-03-13
JPH11139359A	1999-05-25
JP2010065138A	2010-03-25

OHTANI, Tamotsu et al. (JP)

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