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US 2026/0042249 A1Published application
Multilayer structure, molded body, container, food container, and method for producing multilayer structure
AssigneeMitsubishi Chemical Corporation
InventorNobuyuki YAMAMOTO
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Abstract
A multilayer structure has excellent barrier properties and including: a layer (A) comprising an ethylene-vinyl alcohol copolymer; and an inorganic vapor-deposited layer (B) adjacent to the layer (A). The layer (A) is extrusion molded and uniaxially stretched, and the ethylene-vinyl alcohol copolymer has a single ethylene unit content.
Claims9
A multilayer structure comprising:
- a layer (A) comprising an ethylene-vinyl alcohol copolymer;
- and
- an inorganic vapor-deposited layer (B) adjacent to the layer (A),
- wherein the layer (A) is extrusion molded and uniaxially stretched, and
- wherein the ethylene-vinyl alcohol copolymer has a single ethylene unit content.
2 more elements
A method for producing a multilayer structure, the method comprising:
- uniaxially stretching a layer (A) comprising an ethylene-vinyl alcohol copolymer;
- and
- laminating an inorganic vapor-deposited layer (B) on the layer (A).
Dependencies are inferred from the claim text.