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Photovoltaics

Evonik still Counts on Photovoltaics

| Editor: Manja Wühr

Evonik still banks on photovoltaics and put on stream two new plant units for crosslinking activators.
Evonik still banks on photovoltaics and put on stream two new plant units for crosslinking activators. (Bild: Frank Preuss/Evonik)

The German photovoltaics sector is weakening: In 2013 the number of installed units almost collapse. However, Evonik has now put on stream two new plant units for crosslinking activators. process-worldwide.com has enquired the reason of this decision.

Essen – Evonik has started up two new plant units for the production of crosslinking activators at its site in Wesseling. The crosslinking activators triallyl cyanurate (TAC) and triallyl isocyanurate (Taicros) are used in plastics and rubber. “The new production allows us to meet our customers’ rising quality requirements as well as the growing demand worldwide, especially in the photovoltaics sector,” says Matthias Hau, Head of the Evonik Agrochemicals & Polymer Additives Business Line. On enquiry Evonik states, that the new plant units should help to serve especially die market places in Asia.

More Efficiency for the Production of Solar Cell

Thanks to the backward-integrated production system in Wesseling, the new plant units are connected to an existing cyanuric chloride plant. Cyanuric chloride is one of the source materials for crosslinking activators. Taicros enhances the quality of so-called EVA films, which encase the sensitive silicon cells of solar panels — and thus the solar cell as a whole — to protect them from environmental influences. It ensures better crosslinking and also protects films against long-term yellowing, which means the solar cells perform well on a sustained basis. "What’s more, Taicros speeds up crosslinking, which results in a quicker lamination process and the corresponding efficiency improvements for customers in the photovoltaics sector,” explains Segment Head Dr. Frank Kraushaar.

TAC is primarily used in high-quality rubber materials such as hoses and cable coatings in the automotive sector to increase aging resistance and, accordingly, the life expectancy of such items.

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