GAS BARRIER VAPOR DEPOSITION FILM, GAS BARRIER LAMINATE, GAS BARRIER PACKAGING MATERIAL AND GAS BARRIER PACKAGE BODY

To provide a gas barrier vapor deposition film having excellent gas barrier properties and high retort properties and to provide a laminate and a packaging material using the same.SOLUTION: There is provided a gas barrier vapor deposition film 1 which comprises a substrate layer 2 composed of a resi...

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Hauptverfasser: OKANO AI, SHIBATA TAKASHI, KANETAKA HIDENARI, SAWADA MASANORI, KONISHI KENTA, TAKEI MICHIAKI, KISHIMOTO YOSHIHIRO, SHIODA RYUNOSUKE
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a gas barrier vapor deposition film having excellent gas barrier properties and high retort properties and to provide a laminate and a packaging material using the same.SOLUTION: There is provided a gas barrier vapor deposition film 1 which comprises a substrate layer 2 composed of a resin film, an inorganic oxide vapor deposition film layer 3 containing aluminum oxide as a main component and a barrier coating layer 4, wherein the inorganic oxide vapor deposition film layer is distributed with a substance represented by AlOH, the maximum strength ratio AlOH/AlOin the time-of-flight secondary ion mass spectroscopy (TOF-SIMS) of an inorganic oxide vapor deposition film layer obtained by etching a barrier coating layer and an inorganic oxide vapor deposition film layer using TOF-SIMS is 0.20 or more and 0.65 or less, the barrier coating film is adjacently laminated on the surface opposite to the substrate layer of the inorganic oxide vapor deposition film layer and is formed from a resin composition comprising a metal alkoxide and a hydroxyl group-containing water-soluble resin.SELECTED DRAWING: Figure 1 【課題】優れたガスバリア性とハイレトルト性を有するガスバリア性蒸着フィルム及びそれをを用いた、積層体、包装材料を提供するこ。【解決手段】樹脂フィルムからなる基材層2と、酸化アルミニウムを主成分とする無機酸化物蒸着膜層3と、バリア性被覆層4とを含む、ガスバリア性蒸着フィルム1であって、無機酸化物蒸着膜層は、Al2O4Hで表される物質が分布し、バリア性被覆層と無機酸化物蒸着膜層とをTOF−SIMSを用いてエッチングを行うことで得られる無機酸化物蒸着膜層の、飛行時間型二次イオン質量分析法(TOF−SIMS)における最大強度比Al2O4H/Al2O3が、0.20以上、0.65以下であり、バリア性被覆層は、無機酸化物蒸着膜層の、基材層とは反対側の表面上に、隣接して積層されており、金属アルコキシドと、水酸基含有水溶性樹脂とを含む樹脂組成物から形成されたものである、ガスバリア性蒸着フィルム。【選択図】図1