The material selection platform
Adhesives Ingredients
The material selection platform
Adhesives Ingredients

Improving Adhesives for Wind Turbine Blade Production

SpecialChem / Andy Extance – Mar 9, 2011

To date, high bond strength two-component epoxies are the most commonly used adhesives in manufacturing wind turbine blades. Yet some properties, like resistance to environmental attack and working time, could be improved. Furthermore as the blades get bigger they will move more to being assembled at the turbine site, which could pose problems for epoxies. To help solve these problems polyurethanes and acrylate adhesives are moving in on epoxies' territory. The specific working time, substrate compatibility and weatherability needs present in wind turbine blade production push existing adhesives to their limit. Today epoxy compositions are used, but other materials, including acrylates and polyurethanes, are being formulated to challenge their dominance and extend the promise of wind power further.

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