REFRIGERANT-TRANSPORTING HOSE

WIPO Patent Application WO/2011/152407

A1

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.

SHINODA Yasuaki (C/O The Yokohama Rubber Co, LTD. Hiratsuka Factory 2-1, Oiwake, Hiratsuka Cit, Kanagawa 01, 〒2548601, JP)
篠田　裕昭 (〒01 神奈川県平塚市追分２番１号　横浜ゴム株式会社　平塚製造所内 Kanagawa, 〒2548601, JP)

JP2011/062505

December 08, 2011

May 31, 2011

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The Yokohama Rubber Co., LTD. (36-11, Shimbashi 5-chome Minato-k, Tokyo 85, 〒1058685, JP)
横浜ゴム株式会社 (〒85 東京都港区新橋五丁目３６番１１号 Tokyo, 〒1058685, JP)
SHINODA Yasuaki (C/O The Yokohama Rubber Co, LTD. Hiratsuka Factory 2-1, Oiwake, Hiratsuka Cit, Kanagawa 01, 〒2548601, JP)

B32B25/08; B32B1/08; F16L11/08

WATANABE Mochitoshi et al. (Hayakawa-tonakai Bldg. 3F, 12-5 Iwamoto-cho 2-chome, Chiyoda-k, Tokyo 32, 〒1010032, JP)

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