Polymer mixture for barrier film

• Main Authors: LEHENMEIER MAXIMILIAN, YAMAMOTO MOTONORI, GRUNER SIMON ALEXANDER
• Format: Patent
• Language: Chinese; English
• Published: 20.07.2016
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

The invention relates to a biodegradable polyester mixture containing: i) 55 to 90 wt%, relative to components i) and ii), of a polyglycolic acid (PGA), and ii) 10 to 45 wt%, relative to components i) and ii), of a biodegradable polyester made up of aliphatic or aliphatic and aromatic dicarboxylic acids and aliphatic diols. The invention further relates to single-layer or multilayer films containing said polymer mixture as well as to the use of said films for packaging food. 本发明涉及种可生物降解的聚酯混合物，其包含：i)相对于组分i)和ii)计，55至90重量％的聚乙醇酸(PGA)，以及ii)相对于组分i)和ii)计，10至45重量％的可生物降解的聚酯，其由脂族或由脂族和芳族二羧酸与脂族二醇形成。本发明还涉及包含所述聚合物混合物的单层或多层膜，以及所述膜用于包装食品的用途。