Title:
REFRIGERANT-TRANSPORTING HOSE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/069998
Kind Code:
A1
Abstract:
Provided is a refrigerant-transporting hose excellent in flexibility, water-vapor barrier property, and heat resistance. The refrigerant-transporting hose (1) includes an outer layer (4), a reinforcement layer (3), and an inner layer (2), said hose being characterized in that the outer layer is formed from a resin composition containing 100 parts by mass of an elastomer having a polyisobutylene skeleton, 10 to 150 parts by mass of a cross-linked resin, and 2.5 to 25 parts by mass of a cross-linking agent for the elastomer having the polyisobutylene skeleton, wherein the resin composition forming the outer layer has a water-vapor permeability of 3.0 g·mm/ (m2·24h) or less.
Inventors:
WAKABAYASHI KENTA (JP)
NISHI MIYUKI (JP)
NISHI MIYUKI (JP)
Application Number:
PCT/JP2023/002121
Publication Date:
April 04, 2024
Filing Date:
January 24, 2023
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
F16L11/08; B32B1/08; B32B7/022; B32B25/10; B32B25/18; B60H1/08; C08J3/24; C08J5/00; C08K3/22; C08L21/00; C08L23/00; C08L23/10; C08L23/22; C08L23/26; C08L53/00; C08L61/10; C08L101/00; C08L101/10; F16L11/10; F24F1/26; F24F5/00
Domestic Patent References:
| WO2022185779A1 | 2022-09-09 | |||
| WO2021149421A1 | 2021-07-29 | |||
| WO2020137712A1 | 2020-07-02 |
Foreign References:
| JP2014095093A | 2014-05-22 | |||
| JP2013023516A | 2013-02-04 | |||
| JP2003026898A | 2003-01-29 | |||
| JPH04114046A | 1992-04-15 | |||
| JPS5912953A | 1984-01-23 | |||
| JPS596236A | 1984-01-13 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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