By Michelle Froese Over one million tons of composites are used every year to manufacture wind-turbine blades. However, these blades made of thermoset composites (epoxy or polyester) are not easy to recycle at their end of life stage.
To meet this challenge, Arkema has developed Elium, the first liquid thermoplastic resin using the same infusion process and equipment as thermoset composites.
A nine-meter wind-turbine blade has been manufactured from the Elium thermoplastic resin in the U.S. with support from the IACMI.
Wind-turbine blades made from Elium have the advantage of being recyclable, thermoformable and thermoweldable, which helps to limit the use of epoxy glues.
Arkema’s Elium resin
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