Title:
REFRIGERANT-TRANSPORTING HOSE
Document Type and Number:
WIPO Patent Application WO/2011/152407
Kind Code:
A1
Abstract:
Disclosed is a refrigerant-transporting hose involving an inner tube layer composed of a gas barrier layer and a rubber layer adjacent to the outer surface of the gas barrier layer, wherein the rubber layer is composed of a rubber composition comprising 100 parts by mass of a raw material rubber, 1 to 15 parts by mass of an alkylphenol formaldehyde resin and 1 to 8 parts by mass of hydrotalcite, the raw material rubber comprises at least one component selected from the group consisting of BIMS and a copolymer rubber that is a butyl rubber and/or a halogenated butyl rubber, and the gas barrier layer is composed of a polyamide resin composition containing a modified polyamide which is produced by blending a polyamide with a modified polyolefin containing a carboxyl group. In the refrigerant-transporting hose, the adhesion between the gas barrier layer and the rubber layer is excellent.
Inventors:
SHINODA YASUAKI (JP)
YAMAKAWA KAZUTO (JP)
YAMAKAWA KAZUTO (JP)
Application Number:
PCT/JP2011/062505
Publication Date:
December 08, 2011
Filing Date:
May 31, 2011
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
SHINODA YASUAKI (JP)
YAMAKAWA KAZUTO (JP)
SHINODA YASUAKI (JP)
YAMAKAWA KAZUTO (JP)
International Classes:
B32B25/08; B32B1/08; F16L11/08
Foreign References:
| JP4365454B1 | 2009-11-18 | |||
| JP2003268179A | 2003-09-25 | |||
| JP2000220770A | 2000-08-08 | |||
| JP4365454B1 | 2009-11-18 | |||
| JP2000220770A | 2000-08-08 |
Other References:
See also references of EP 2578391A4
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
Mochitoshi Watanabe (JP)
Mochitoshi Watanabe (JP)
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Claims: