Title:
REFRIGERANT TRANSPORT HOSE
Document Type and Number:
Japanese Patent JP2021085471
Kind Code:
A
Abstract:
To provide a refrigerant transport hose capable of making workability and sealability compatible at a high level.SOLUTION: The present invention relates to a refrigerant transport hose comprising an inner tube and an outer tube and comprising a reinforcement layer between the inner tube and the outer tube. The outer tube is formed from an outer tube rubber composition. The outer tube rubber composition contains: a brominated copolymer rubber obtained by brominating a copolymer rubber of isomonoolephin and p-alkylstyrene, a content of a repetition unit containing bromine composing the brominated copolymer rubber being 0.8 to 1.5 mol% with respect to total amount of repetition units composing the brominated copolymer rubber in the brominated copolymer rubber; carbon black A of which a dibutyl phthalate absorption amount is equal to or less than 40 cm3/100 g; a brominated alkylphenol resin; and zinc oxide. A content of the carbon black A is 35 mass% or more with respect to 100 mass% of the brominated copolymer rubber.SELECTED DRAWING: Figure 1
Inventors:
SUGIHARA YOSHIKI
YUSA IKUMA
MAEDA DAISUKE
YUSA IKUMA
MAEDA DAISUKE
Application Number:
JP2019215264A
Publication Date:
June 03, 2021
Filing Date:
November 28, 2019
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
F16L11/08; B32B25/14
Attorney, Agent or Firm:
Hideaki Ito
Fumio Mitsuhashi
Youichiro Machida
Muto Michiyo
Fumio Mitsuhashi
Youichiro Machida
Muto Michiyo