Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/240071
Kind Code:
A1
Abstract:
An objective of the present invention is to provide a rubber composition exhibiting excellent dispersibility and low heat build-up properties. The rubber composition of the present invention includes: a modified isoprene polymer; a rubber component (other than a modified isoprene polymer); and a reinforcing filler. The reinforcing filler contains carbon black and/or silica, the modified isoprene polymer has, at one end, a functional group containing a nitrogen atom and a silicon atom, and the viscosity of the modified isoprene polymer is no more than 2000 Pa.s, provided that the viscosity is measured using a cone and plate viscometer.

Inventors:
SHINKE YU (JP)
UENISHI KAZUYA (JP)
KUROSAKA KAORI (JP)
Application Number:
PCT/JP2019/022899
Publication Date:
December 19, 2019
Filing Date:
June 10, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
C08L15/00; C08C19/25; C08K3/013; C08K3/04; C08K3/36; C08K5/548; C08L7/00
Domestic Patent References:
WO2014185495A12014-11-20
Foreign References:
JP2009287019A2009-12-10
JP2010077257A2010-04-08
JP2018188598A2018-11-29
JP2019065238A2019-04-25
JP2010077257A2010-04-08
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
Download PDF: