By means of a long-wave gallium lamp, both the viscosity of the coating and the reactivity to the emission of the excimer lamp are influenced during gelation. Angeling by means of UV or LED technology influences the feel of the coating even after curing. Additional properties such as a soft-touch surface or an anti-fingerprint effect can be achieved in this way.
Excimer technology for matte surfaces
At a wavelength of 172nm, excimer lamps have an enormously high-energy emission that starts a polymerization process in the uppermost part of a layer of UV-curable coating. The penetration depth of the UV emission is comparatively low, so this process leaves a thin film on the wet coating without affecting deeper layers of coating. Since this film formation is subject to shrinkage, the film near the surface exhibits microfolds, resulting in a matte surface. These can be cured in the final cure using conventional UV lamp technology. The result is a mechanically and chemically highly resistant and deep matt surface.
Innovative scalability
Through intensive research and development, it has been possible to achieve seamless integration, which enables an extended irradiation area without edge and streak effects. This allows existing production systems to be optimally utilised and productivity to be significantly increased, leading to a considerable increase in matt surfaces with existing equipment. With working widths of up to 4 metres, IST METZ is setting new standards in excimer technology. This innovation opens up completely new possibilities for the flooring industry by enabling efficient and even surface finishing and defining new standards for the processing of large-area floor coverings.
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