Title:
RUBBER COMPOSITION FOR VULCANIZATION BLADDER AND VULCANIZATION BLADDER
Document Type and Number:
WIPO Patent Application WO/2017/038527
Kind Code:
A1
Abstract:
Provided are a rubber composition for a vulcanization bladder having excellent thermal conductivity, and a vulcanization bladder constructed from the rubber composition, wherein the vulcanization bladder makes it possible to improve the vulcanization production efficiency. A rubber composition for a vulcanization bladder containing 20-200 parts by mass of at least one metal filler having a Mohs hardness of 8 or lower and an average particle size of 0.3-50 μm, selected from the group consisting of metal powders, metal oxide powders, metal hydroxide powders, and metal nitride powders, and 20-80 parts by mass of carbon black, per 100 parts by mass of a rubber component including 80 mass% or more of butyl rubber; and a vulcanization bladder constructed from the rubber composition for a vulcanization bladder.
Inventors:
TAKAGI KEIJI (JP)
MIYAZAKI TATSUYA (JP)
MIYAZAKI TATSUYA (JP)
Application Number:
PCT/JP2016/074364
Publication Date:
March 09, 2017
Filing Date:
August 22, 2016
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
C08L23/22; B29C33/12; B29C35/02; C08K3/04; C08K3/22; C08L11/00; C08L45/00; C08L65/00
Domestic Patent References:
| WO2014156593A1 | 2014-10-02 |
Foreign References:
| JPS6140114A | 1986-02-26 | |||
| JPS63125311A | 1988-05-28 | |||
| JPS61195810A | 1986-08-30 | |||
| JP2010285525A | 2010-12-24 | |||
| JP2012224720A | 2012-11-15 | |||
| JP2014531997A | 2014-12-04 | |||
| JP2015164982A | 2015-09-17 |
Other References:
See also references of EP 3321317A4
Attorney, Agent or Firm:
ASAHINA & CO. (JP)
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