Title:
THERMOPLASTIC RESIN COMPOSITION FOR REFRIGERANT CONVEYANCE PIPING
Document Type and Number:
Japanese Patent JP2023078137
Kind Code:
A
Abstract:
To provide a thermoplastic resin composition for refrigerant conveyance piping having high barrier property, flexibility, and excellent extrusion processability.SOLUTION: A thermoplastic resin composition for refrigerant conveyance piping which is made up of a matrix containing thermoplastic resin and a domain including rubber dispersed into the matrix, where the thermoplastic resin has a melting point of 150°C or higher, the rubber is butyl-based rubber or olefin-based rubber, the matrix contains viscosity stabilizer, the content of the viscosity stabilizer in the matrix is 5 to 20 mass%, the viscosity stabilizer is divalent metal oxide, ammonium salt or carboxylate, the thermoplastic resin composition contains at least one kind selected from the group consisting of phenylenediamine-based antioxidant, quinoline-based antioxidant and trihydric alcohol having a triazine skeleton, and processing aid, the processing aid is fatty acid, fatty acid metal salt, fatty acid ester or fatty acid amide, and at least a part of rubber is cross-linked.SELECTED DRAWING: None
Inventors:
TOMOI SHUSAKU
Application Number:
JP2023024834A
Publication Date:
June 06, 2023
Filing Date:
February 21, 2023
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
C08L101/00; C08J3/22; C08J3/24; C08K3/22; C08K5/09; C08K5/18; C08K5/3437; C08K5/3492; C08L23/08; C08L23/16; C08L23/22; C08L29/04; C08L67/00; C08L77/00; F16L11/06
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mihashi
Yuichi Morimoto
Atsushi Ebitani
Shinji Mihashi
Yuichi Morimoto
Atsushi Ebitani
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