International
© Panacol Elosol GmbH
07.02.2025

New UV Adhesive for PV Modules

Sealing and bonding of photovoltaic modules

Panacol has developed a new UV adhesive specifically for foil lamination of organic (OPV) and perovskite-based (PSC) photovoltaic systems: Vitralit UH 1411 is a flexible, hybrid epoxy resin-acrylate adhesive that cures with UV light. It was specially developed for sealing and bonding flexible PV modules. After application, Vitralit UH 1411 can be cured by a combination of UV or visible light and heat, which enables precise curing even in potential shadow zones. Dr. Hönle's LED curing systems, such as the Powerline 820 HP AC IC, are particularly suitable. The modules of the Powerline can be stacked without gaps to completely irradiate the desired width. The intensity is adjustable and can be adapted to the web speed in the range of 10 to 100 %, ensuring consistent curing results. The LED Powerline 820 AC IC HP is supplied and controlled either via the optionally available LED powerdrive IC or via an external power supply unit and customer-side control of the interface.

The optimized solution

Once cured, the hybrid adhesive is resistant to environmental and media influences as well as soft and flexible, thanks to its composition of epoxy resin and acrylate components. A key advantage of Vitralit UH 1411 is its high adhesion to all standard barrier foils and films used in the manufacture of flexible photovoltaic modules. The adhesive strength can be maintained even after high exposure to temperature and humidity. It is also transparent and non-yellowing, which ensures optimum light absorption and a long service life for the PV modules.

(Source: Panacol Elosol GmbH)

Schlagworte

AdhesivesPhotovoltaic

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