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Polyester film with improved oxygen-barrier properties, which comprises polymetaxylylene adipamide and a barrier coating, its method and use
Polyester film with improved oxygen-barrier properties, which comprises polymetaxylylene adipamide and a barrier coating, its method and use
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机译:包含聚偏甲基亚丙基己二酰胺和阻隔涂层的具有改进的阻氧性能的聚酯薄膜,其方法和用途
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摘要
Polyester films comprising a base layer (B) having on at least one side a barrier layer (D) are such that (1) layer (B) contains poly(m-xylene- adipamide); and (2) layer (D) consists of a blend of a film-forming material and a maleic acid/acrylic acid copolymer. An independent claim is also included for production of the films by (co)extrusion of a film, longitudinal stretching, coating with barrier layer (D), transverse stretching and heat fixing.
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