Multilayer composites of printed films
AssigneeCovestro Deutschland AG
InventorsJoerg Buechner, Harald Kraus, Thomas Fait, Christoph Thiebes
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Abstract
The invention relates to a multilayer composite, containing a first polymeric layer which on a side is coated with a printing ink containing a polyurethane as binder, and a second layer which with a polyurethane dispersion as adhesive is joined at least partly with the side of the first polymeric layer which is coated with the printing ink containing a polyurethane as binder.
Claims11
A multilayer laminate at least containing a first polymeric layer which is coated on at least one side with at least one printing ink containing at least one polyurethane as binder and a second layer which is at least partially bonded, using a polyurethane dispersion as adhesive, to the side of the first polymeric layer coated with the at least one printing ink containing the at least one polyurethane as binder, wherein the adhesive employed is at least one polyurethane dispersion which is a mixture of at least one aqueous polyurethane dispersion (I) and at least one aqueous dispersion of at least one hydrophilized polycarbodiimide (II).
Dependencies are inferred from the claim text.