Title:
CROSSLINKED RUBBER OBJECT
Document Type and Number:
WIPO Patent Application WO/2016/132978
Kind Code:
A1
Abstract:
A crosslinked rubber object for fuel sealing which is obtained by crosslinking a nitrile rubber composition that comprises (A) a nitrile rubber and (B) an inorganic filler having an aspect ratio of 30-2,000, the amount of the inorganic filler (B) being 1-200 parts by weight per 100 parts by weight of the nitrile rubber (A), the nitrile rubber (A) comprising (a1) 25-80 wt% units of an α,β-ethylenically unsaturated nitrile monomer, (a2) 20-75 wt% units of a conjugated diene monomer, and (a3) 0-30 wt% units of a cationic monomer and/or units of a monomer capable of forming a cation, and the nitrile rubber (A) having a compression set of 20% or less after having been compressed in 100ºC atmosphere for 70 hours. The crosslinked rubber object is obtained from the nitrile rubber composition through secondary vulcanization conducted at 100-150ºC for 1-24 hours.
Inventors:
TSUKADA AKIRA (JP)
Application Number:
PCT/JP2016/053885
Publication Date:
August 25, 2016
Filing Date:
February 10, 2016
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
C09K3/10; C08K7/00; C08L9/02; C08L27/06
Domestic Patent References:
| WO2013133358A1 | 2013-09-12 | |||
| WO2011115093A1 | 2011-09-22 |
Foreign References:
| JP5617638B2 | 2014-11-05 | |||
| JP2011012132A | 2011-01-20 | |||
| JP2010155883A | 2010-07-15 | |||
| JP2010001475A | 2010-01-07 | |||
| JPH069823A | 1994-01-18 | |||
| JPS62184083A | 1987-08-12 |
Other References:
See also references of EP 3260514A4
Attorney, Agent or Firm:
FUJIMOTO YOSHIHIRO (JP)
Yoshihiro Fujimoto (JP)
Yoshihiro Fujimoto (JP)
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