Multilayer structure， and packaging material formed from the multilayer structure
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A multilayer structure is provided， which includes a layer containing a saponified ethylene-vinyl ester copolymer， and a layer of a thermoplastic resin other than the saponified ethylene-vinyl ester copolymer provided on at least one side of the saponified ethylene-vinyl ester copolymer-containing layer with the intervention of an adhesive resin layer. An interface layer having a thickness (X) of 50 to 400 nm is present in an interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer. Alternatively， a viscosity increase rate in the interface between the saponified ethylene-vinyl ester copolymer-containing layer and the adhesive resin layer is 0.1% to 8%. Therefore， the multilayer structure has long-run durability， and is less liable to have poor appearance even if being produced by a multilayer coextrusion method.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
