Title:
RUBBER COMPOSITION AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2013/140676
Kind Code:
A1
Abstract:
Provided is a rubber composition obtained by, at least, dry blending a natural rubber wet master batch, which is formed by mixing a natural rubber latex and a carbon black-containing slurry solution in a liquid phase and drying the mixture, with a dry rubber, which has as the main component a polybutadiene rubber, and an oil. This rubber composition is characterized by comprising 50 parts by mass or more of the natural rubber and 20 to 50 parts by mass of the polybutadiene rubber when the total amount of the rubber component in the rubber composition is 100 parts by mass, and is characterized in that the oil has a pour point of -10°C or less and an aniline point of 90°C or more and the loading of the oil with respect to 100 parts by mass of the rubber component is 15 to 40 parts by mass.
Inventors:
KIMURA TAKAYOSHI (JP)
Application Number:
PCT/JP2012/081683
Publication Date:
September 26, 2013
Filing Date:
December 06, 2012
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO (JP)
International Classes:
C08L7/00; C08K3/04; C08L9/00; C08L91/08
Foreign References:
| JP2011168719A | 2011-09-01 | |||
| JP4738551B1 | 2011-08-03 | |||
| JP2004107482A | 2004-04-08 | |||
| JP2011511148A | 2011-04-07 | |||
| JP2011016874A | 2011-01-27 | |||
| JPH08269243A | 1996-10-15 | |||
| JP2009256550A | 2009-11-05 | |||
| JPH09132671A | 1997-05-20 | |||
| JPS61268740A | 1986-11-28 | |||
| JPS61268743A | 1986-11-28 |
Other References:
"Non-Tribo Oils -Junkatsu Kiyu Iroiro na Yoto- (1)", JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS, vol. 44, no. 4, 1999, pages 242 - 247
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
Patent business corporation ユニアス international patent firm (JP)
Patent business corporation ユニアス international patent firm (JP)
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