Binder system with a faster curing

The present invention relates to a binder system that is referred to as a resin component at least one isocyanate-terminated polyurethane prepolymer and a curing agent component at least one polar polyol selected from polyglycolide, polylactide, polyethylene carbonate, polypropylene carbonate, polyethylene glycol, polycaprolactone, copolymers of two or more of the above- includes, and mixtures thereof. The present invention further relates to an adhesive / sealant on the basis of the binder system of the present invention and the use of the adhesive / sealant or bonding agent system of the present invention for bonding substrates, in particular in a process for producing a film composite, and film composite itself.