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ACCIONA plans to increase its competitive advantage using nano-structured bio-based composites materials as alternatives to conventional materials, like Steel and concrete, in Civil Infrastructure applications, for example construction of bridges. Usage of bio-based materials will help ACCIONA lower its construction cost owing to faster production due to their low curing time, reduce transportation and installation time, thanks to their light weight, and reduce maintenance cost owing to their high corrosión resistance. To achieve this, isocyanate free TPU biopolymers reinforced with NL, biochar and NFC will be used for the construction of a footbridge module (2m x 0.45m x 0.65m) with 3D printing technology. The final product is expected to have high UV and fire resistance >80ºC, anti-fouling & easy-cleaning capability

ΒΙΟΜASS
BIOMASS FRACTIONATION
& PRE-TREATMENT
PL5- PURIFICATION
INTERMEDIATE MATERIALS
PL10 - PRODUCTION OF NANOFIBRILLATED CELLULOSE NFCS
PL8 -BIOMASS CARBONIZATION
FINAL PRODUCTS & FORMULATION
PL9 PRODUCTION OF ISOCYANATE FREE TPU VIA REACTIVE EXTRUSION
PL15 - ADDITIVE MANUFACTURING
Footbridge module with improved UV and fire resistance and thermal conductivity
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