Method for improving the mechanical properties of mono or multilayer films

• Main Authors: TOMKA, IVAN, MENARD, RICO, MEISSNER, JOACHIM
• Format: Patent
• Language: English; French; German
• Published: 21.04.1993
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; 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; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

Eine Ein- oder Mehrschichtenfolie mit im wesentlichen geringer Gaspermeabilität umfasst mindestens eine Schicht, die wenigstens teilweise aus im wesentlichen thermoplastisch verarbeitbarer Stärke besteht. Damit diese Ein- oder Mehrschichtenfolie mindestens nahezu feuchtigkeitsunempfindlich ist, wird...