abstract |
The present invention is a method for manufacturing a foil or film 1, comprising the steps of: a) applying at least one material (2) for producing the foil or film (1) to a moving belt (3), b) an injected material (2) at least partially curing and/or partially drying, wherein during step b), the properties of the material and/or the thermal state variables of a predetermined area around the belt (3) are Recorded by at least one non-invasive spectroscopy. |