BIOLOGICALLY DISINTEGRATABLE COMPOSITE FILMS

The invention relates to the use of an aqueous polyurethane dispersion adhesive for producing biologically disintegratable composite films, wherein at least two substrates are glued to each other using the polyurethane dispersion adhesive, wherein at least one of the substrates is a biologically dis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MEYER, Axel, YAMAMOTO, Motonori, DIEHL, Heiko, BEYERS, Cornelis Petrus, DAHMEN, Stefan, KRIEGISCH, Volker, LICHT, Ulrike
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The invention relates to the use of an aqueous polyurethane dispersion adhesive for producing biologically disintegratable composite films, wherein at least two substrates are glued to each other using the polyurethane dispersion adhesive, wherein at least one of the substrates is a biologically disintegratable polymer film. The polyurethane is made up to at least 60 wt % of diisocyanates, polyesterdiols, and at least one bifunctional carboxylic acid selected from dihydroxycarboxylic acid and diaminocarboxylic acid.