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Title:
VIBRATION-DAMPING RUBBER COMPOSITION AND VIBRATION-DAMPING RUBBER
Document Type and Number:
WIPO Patent Application WO/2016/204012
Kind Code:
A1
Abstract:
Provided is a vibration-damping rubber composition which comprises a diene-based rubber, a silane coupling agent having a structural unit represented by general formula (1) and/or a structural unit represented by general formula (2), carbon black, and silica, the blending ratio of the carbon black (a) to the silica (b), (a)/(b), being 10/90 to 45/55 (by mass). The vibration-damping rubber composition can be vulcanized in a shortened time while maintaining ease of vulcanizing operation and gives a vibration-damping rubber having excellent durability. [R1 is a C1-12 hydrocarbon group; L1 and L2 are each independently a C1-5 divalent hydrocarbon group; R2 and R4 are each independently a C1-5 divalent hydrocarbon group; R3 and R5 are each independently a C1-5 hydrocarbon group; and x and y are each independently an integer of 1 or larger.]

Inventors:
NAGATA TAKESHI (JP)
Application Number:
PCT/JP2016/066840
Publication Date:
December 22, 2016
Filing Date:
June 07, 2016
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L7/00; C08K3/04; C08K3/36; C08K5/548; C08L9/00; F16F15/08
Domestic Patent References:
WO2013094609A12013-06-27
Foreign References:
JP2009256576A2009-11-05
JP2012153865A2012-08-16
JP2013204003A2013-10-07
JP2011174034A2011-09-08
JP2016124880A2016-07-11
Other References:
See also references of EP 3312228A4
Attorney, Agent or Firm:
OHTANI, Tamotsu (JP)
Tamotsu Otani (JP)
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