The novel composites were characterised in terms of dimensional stability, evolution of morphology, thermal and mechanical properties and their performance was compared with that of composites containing polyethylene-grafted maleic anhydride (PE-g-MA) a coupling agent.
As expected, composites with coupling agent present higher mechanical properties, lower water uptake and thickness swelling variation.
Suberin acts as plasticizer with antioxidant benefits, while lignin works as a coupling agent, improving tensile modulus and maximum strength.
Increasing lignin content dose not improve the mechanical properties but improves thermal stability.
The novel composites were characterised in terms of dimensional stability, evolution of morphology, thermal and mechanical properties and their performance was compared with that of composites containing polyethylene-grafted maleic anhydride (PE-g-MA) a coupling agent.
As expected, composites with coupling agent present higher mechanical properties, lower water uptake and thickness swelling variation.
Suberin acts as plasticizer with antioxidant benefits, while lignin works as a coupling agent, improving tensile modulus and maximum strength.
Increasing lignin content dose not improve the mechanical properties but improves thermal stability.
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