VERFAHREN ZUR HERSTELLUNG EINER MEHRSCHICHTIGEN FLACHFOLIE DIE EIN INTRINSISCH GELFREIES, ZUFÄLLIG VERZWEIGTES POLYAMID ENTHÄLT

A process for producing a multilayer flat film containing a polyamide layer and a layer of another polymer. The polyamide layer is essentially formed from an intrinsically gel-free, randomly branched polyamide including units derived from: AB monomer possessing both a carboxylic acid group (A) and a...

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Bibliographische Detailangaben
Hauptverfasser:	DE KROON, JAN, BRINK, TED
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON 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 ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for producing a multilayer flat film containing a polyamide layer and a layer of another polymer. The polyamide layer is essentially formed from an intrinsically gel-free, randomly branched polyamide including units derived from: AB monomer possessing both a carboxylic acid group (A) and an amine group (B), at least one compound I, being a carboxylic acid (Av), with functionality v>=2 or an amine (Bw) with functionality w>=2, and at least one compound II, being a carboxylic acid (Av) with functionality v>=3 or an amine (Bw) with functionality w>=3. When compound II is a carboxylic acid compound I is an amine. When compound II is an amine compound I is a carboxylic acid. The polyamide layer and the layer of the other polymer are adjacent to each other.