Title:
METHOD FOR MANUFACTURING RUBBER COMPOSITION, AND RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/042748
Kind Code:
A1
Abstract:
The present invention provides: a method for manufacturing a rubber composition including a rubber component (A) including natural rubber, at least one type of filler (B) selected from an inorganic filler and carbon black, and a hydrazide compound (C) represented by general formula (I) and supported on a solid, wherein the method for manufacturing a rubber composition is characterized in that a kneading step is performed by a given preliminary kneading stage and multistage kneading, and the hydrazide compound (C) supported on the solid is added in the preliminary kneading stage and/or the first stage of kneading; and a rubber composition manufactured by this manufacturing method. (I): R-CONHNH2 (In the formula, R represents a C1-30 alkyl group, a C3-30 cycloalkyl group, or an aryl group.)
Inventors:
SAIKI AYA (JP)
UCHIYAMA TOSHIHIRO (JP)
UCHIYAMA TOSHIHIRO (JP)
Application Number:
PCT/JP2015/004641
Publication Date:
March 24, 2016
Filing Date:
September 11, 2015
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08J3/20; C08K3/04; C08K3/36; C08K5/25; C08L7/00
Domestic Patent References:
| WO2014156111A1 | 2014-10-02 |
Foreign References:
| JPH06256570A | 1994-09-13 |
Other References:
See also references of EP 3196232A4
Attorney, Agent or Firm:
SUGIMURA, KENJI (JP)
Kenji Sugimura (JP)
Kenji Sugimura (JP)
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