Method for gluing film-like substrates

A method for adhesively bonding film-like substrates, in which a two-component polyurethane adhesive is applied to a film and then a second film is applied, a two-component polyurethane adhesive being used that consists of-a component A containing at least one prepolymer having at least two NCO grou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LOSCHEN CHRISTOPH, KINZELMANN HANS-GEORG, KOSTKA THOMAS, SPUHLER PHILIPP, RYJKINA EKATERINA, HOELTGEN MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A method for adhesively bonding film-like substrates, in which a two-component polyurethane adhesive is applied to a film and then a second film is applied, a two-component polyurethane adhesive being used that consists of-a component A containing at least one prepolymer having at least two NCO groups,-a component B containing at least one polymeric or oligomeric crosslinker having at least two groups that react with NCO groups, wherein component B contains 0.05 to 5 wt. % of a low-molecular-weight compound C, which-should have a nucleophilic group that reacts with NCO groups and-contains a hydrogen-bridging group, selected from O=C-O- or O=C-C-O- or O=C-C=C-O- or protonated forms.