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US 6,274,246 B1Granted
Flexible, polyamide-containing multi-layer film having an improved thermo-forming capacity due to moistening
AssigneeWolff Walsrode AG
InventorsHolger Eggers, Gregor Kaschel, Andreas Gasse
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Abstract
A multi-layered laminate suitable for production of thermoformed packaging is disclosed. The laminate contains a polyamide-containing layer, a sealing layer and optionally an EVOH-containing layer and is characterized in that it contains water in an amount of 0.5 to 2.5 percent.
Claims17
A multi-layered laminate having an outer face comprising,
- at least one polyamide-containing layer,
- a sealing layer superposed over said polyamide-containing layer and defining said outer face of said multi-layered laminate, and
- optionally at least one EVOH-containing layer, said EVOH-containing layer being interposed between two polyamide-containing layers,
- wherein said multi-layered laminate has a combined weight of said polyamide-containing layer and EVOH-containing layer, and contains water in an amount of at least 0.5 and at most 2.5 percent relative to the combined weight of said polyamide-containing layer and EVOH-containing layer.
1 more element
Dependencies are inferred from the claim text.