Journal article

A rheological characterisation technique for fast UV-curable systems

Using a rheometer coupled with a UV-light generator, a photo-rheometry set-up has been developed to study the viscoelastic properties of UV-coating systems during fast curing. Due to a high reaction rate, the viscoelastic properties have to be evaluated using a special procedure. This technique was found suitable to obtain reliable rheological data during the fast photo-reaction, allowing the determination of gel points occurring within less than 1 s.


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