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Patent Searching and Data


Title:
OIL HOSE
Document Type and Number:
WIPO Patent Application WO/2020/261867
Kind Code:
A1
Abstract:
This oil hose is provided with an innermost layer 1 comprising a rubber composition containing components (A)-(E), wherein contained amounts of components (B), (C), (D), and (E) with respect to 100 parts by weight of component (A) are 4-15 parts by weight, 0.5-3 parts by weight, 1-15 parts by weight, and 0.25-2 parts by weight, respectively, and the ratio of components (B) and (C) is (B)/(C)=4/1.5 to 30/1.5 in weight ratio. Accordingly, excellent characteristics required for an oil hose such as oil resistance, cold resistance, and heat resistance are obtained, and a high resistance with respect to an oil having ZnDTP added thereto can be exhibited. (A) An acrylonitrile-butadiene rubber in which the amount of acrylonitrile is 26-38 wt%. (B) Zinc oxide. (C) At least one selected from the group consisting of tetramethyl thiuram disulfide, tetrabutyl thiuram disulfide, and dipentamethylene thiuram tetrasulfide. (D) An ether ester-based plasticizing agent. (E) Sulfur.

Inventors:
KANBE SHINOBU (JP)
NOZUE AYAMI (JP)
KAWAI KOICHIRO (JP)
WAKANO TAKAYUKI (JP)
Application Number:
JP2020/021098
Publication Date:
December 30, 2020
Filing Date:
May 28, 2020
Export Citation:
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Assignee:
SUMITOMO RIKO CO LTD (JP)
SUMITOMO RIKO HOSETEX LTD (JP)
International Classes:
F16L11/08; B32B1/08; B32B15/02; B32B15/06; B32B25/14; B32B27/22; B32B27/26; C08K3/04; C08K3/06; C08K3/22; C08K3/36; C08K5/10; C08K5/40; C08L9/02
Domestic Patent References:
WO2017022598A12017-02-09
Foreign References:
JP2009203369A2009-09-10
JP2014190373A2014-10-06
JP2016070347A2016-05-09
JP2016030784A2016-03-07
JPH07197061A1995-08-01
JP2015101693A2015-06-04
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (2-7 Minamimorimachi 2-chome, Kita-ku, Osaka-sh, Osaka 54, JP)
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