RESIN COMPOSITION, MULTILAYER STRUCTURE, PACKAGING CONTAINER AND METHOD FOR PRODUCING RESIN COMPOSITION

• Main Authors: OSHITA TATSUYA, ISHIUCHI SATOSHI, SAKANO TAKESHI
• Format: Patent
• Language: English; Japanese
• Published: 24.06.2021
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; GENERAL PROCESSES OF COMPOUNDING; HANDLING THIN OR FILAMENTARY MATERIAL; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

To provide a resin composition which is excellent in gas barrier properties, is excellent in moisture resistance under high temperature and high humidity, and can suppress whitening of a multilayer structure after retort treatment.SOLUTION: A resin composition contains an ethylene-vinyl alcohol copolymer (A), a salt (B) that enables formation of a hydrate, and an amphipathic salt (C) having an aromatic ring.SELECTED DRAWING: None 【課題】ガスバリア性に優れ、高温高湿下での耐湿性に優れ、さらにレトルト処理後の多層構造体の白化を抑制できる樹脂組成物を提供する。【解決手段】エチレン−ビニルアルコール共重合体（Ａ）、水和物を形成可能な塩（Ｂ）、及び芳香環を有する両親媒性塩（Ｃ）を含む樹脂組成物である。【選択図】なし