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Title:
RUBBER COMPOSITION FOR REFRIGERANT TRANSPORTING HOSES, AND REFRIGERANT TRANSPORTING HOSE
Document Type and Number:
WIPO Patent Application WO/2017/221632
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a rubber composition for refrigerant transporting hoses, which has excellent processability and hose properties; and a refrigerant transporting hose which has an inner tube that is produced using this rubber composition for refrigerant transporting hoses. A rubber composition for refrigerant transporting hoses according to the present invention is used for the production of an inner tube of a refrigerant transporting hose that is provided with at least the inner tube and a reinforcing layer that is arranged outside the inner tube. This rubber composition for refrigerant transporting hoses contains a butyl rubber, a scale-like filler and a carbon black; the carbon black has an iodine adsorption of 65-150 mg/g; the content of the scale-like filler is 20 parts by mass or more relative to 100 parts by mass of the butyl rubber; and the content of the carbon black is 20 parts by mass or more but less than 50 parts by mass relative to 100 parts by mass of the butyl rubber.

Inventors:
SATO Aya (C/O The Yokohama Rubber Co, LTD. Hiratsuka Factory 2-1, Oiwake, Hiratsuka Cit, Kanagawa 01, 〒2548601, JP)
Application Number:
JP2017/019689
Publication Date:
December 28, 2017
Filing Date:
May 26, 2017
Export Citation:
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Assignee:
THE YOKOHAMA RUBBER CO., LTD. (36-11, Shimbashi 5-chome Minato-k, Tokyo 85, 〒1058685, JP)
International Classes:
F16L11/08; B32B1/08; B32B25/18; C08K3/04; C08K3/34; C08L23/22
Foreign References:
JP2013228081A2013-11-07
JP2016074811A2016-05-12
JP2003056761A2003-02-26
JP2003278958A2003-10-02
JP2006029443A2006-02-02
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (Yusen Iwamoto-cho Bldg. 6F, 3-3 Iwamoto-cho 2-chome, Chiyoda-k, Tokyo 32, 〒1010032, JP)
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