BIODEGRADABLE LAMINATING FILM AND CONTAINER MADE OUT OF IT

A biodegradable laminating film having the layer structure A/B, wherein the 0.5 to 7 μm thick layer A comprises a polyurethane or acrylate adhesive; and wherein the 5 to 150 μm thick layer B comprises an aliphatic polyester and/or aliphatic-aromatic polyester, wherein the aliphatic-aromatic polyeste...

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Bibliographische Detailangaben
Hauptverfasser: NORDQVIST, DAVID, CROISIER, EMMANUEL, DOLEAC, FREDERIC
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A biodegradable laminating film having the layer structure A/B, wherein the 0.5 to 7 μm thick layer A comprises a polyurethane or acrylate adhesive; and wherein the 5 to 150 μm thick layer B comprises an aliphatic polyester and/or aliphatic-aromatic polyester, wherein the aliphatic-aromatic polyester is composed as follows: b1-i) 30 to 70 mol %, based on components b1-i and b1-ii, of a C6-C18 aliphatic dicarboxylic acid; b1-ii) 30 to 70 mol %, based on components b1-i and b1-ii, of an aromatic dicarboxylic acid; b1-iii) 98 to 100 mol %, based on components b1-i and b1-ii, of 1,3-propanediol or 1,4-butanediol; b1-iv) 0 to 2% by weight, based on components b1-i to b1-iii, of a chain extender and/or branching agent. The invention further relates to a food and/or beverage container comprising a substrate and a biodegradable laminating film coating, as the one described.