Title:
多層中空成形体
Document Type and Number:
Japanese Patent JP6801456
Kind Code:
B2
Abstract:
The present invention relates to a multilayer hollow molded body, which has sufficiently high barrier properties, burst resistance and heat resistance, is also excellent in terms of impact resistance, and can be preferably used as a fuel transportation piping material for transporting high-temperature liquid fuel, etc. The multilayer hollow molded body of the present invention has at least one aliphatic polyamide layer (A) and at least one barrier layer (B), wherein the aliphatic polyamide layer (A) consists of a resin composition comprising an aliphatic polyamide (a) as a main component, and the barrier layer (B) consists of a resin composition comprising an ethylene-vinylalcohol copolymer (EVOH) and a semi-aromatic polyamide (b).
Inventors:
Kazuya Sato
Tomonori Kato
Mayumi Kikuchi
Tomonori Kato
Mayumi Kikuchi
Application Number:
JP2016566078A
Publication Date:
December 16, 2020
Filing Date:
December 03, 2015
Export Citation:
Assignee:
Mitsubishi Gas Chemical Co., Ltd.
International Classes:
B32B1/00; B32B1/08; B32B27/28; B32B27/34; C08L29/04; C08L77/06; F16L11/04
Domestic Patent References:
| JP2002122273A | ||||
| JP2012046584A | ||||
| JP2014240147A | ||||
| JP2002254581A | ||||
| JP2003239819A | ||||
| JP2014240145A | ||||
| JP2013518175A | ||||
| JP1242245A | ||||
| JP9504748A |
Attorney, Agent or Firm:
Hiroshi Kobayashi
Kyoei Sugiyama
Kyoko Tamura
Yasuhito Suzuki
Kyoei Sugiyama
Kyoko Tamura
Yasuhito Suzuki