METHOD FOR GLUING FILM-LIKE SUBSTRATES

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.