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Adhesives Ingredients
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Adhesives Ingredients

Dehydrogenation Cure Silicones

SpecialChem / Andy Extance – Nov 16, 2011

To date there are no encapsulants that adequately protect UV LEDs without breaking down. Silicones are popular as LED encapsulants, but conventional addition cure formulations form organic crosslinks that can be broken down by UV light. Dehydrogenation cure silicones link directly through silicon-oxygen bonds. However, they emit gas, and are normally used to make foamed polymers. Now, though, researchers have discovered a way to make non-foaming formulations that could also be beneficial beyond non UV-LED applications.

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