Enhancement in Adhesive and Thermal Properties of Bio‐based Epoxy Resin by Using Eugenol Grafted Cellulose Nanocrystals


Bio-based epoxy resins are being used due to their green chemistry. They have better properties than petroleum-based epoxy resins. Recently, environment friendly nanomaterials have been used for different industrial applications. Cellulose nanocrystals (CNCs) are among the best naturally occurring materials. Therefore, the surface of cellulose nanocrystals are modified by eugenol-based silane coupling agent (EBSCA). Chemical composition and surface morphologies of CNCs were analyzed and characterized by FTIR, AFM, SEM, TEM and 1H-NMR. The SEM and AFM results confirmed eugenol-based silane coupling agent was successfully grafted on cellulose nanocrystals. Modified CNCs demonstrated an excellent tensile strength (2190 MPa) and modulus (16.00 MPa), as well as storage modulus (1622 MPa) exhibited by 1wt% modified cellulose nanocrystals composites. Additionally, modified CNCs displayed hydrophobic behavior (CA = 102 ± 2°). The corresponding modified CNCs have significant applications in combination of high stiffness and strength to the epoxy resins. This study lays a foundation towards full bio-based, environment friendly polymers fabrication and consumptions most desirable in adhesive and mechanical industrial fields.

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This research was funded by the State Key Laboratory of Chemical Engineering, Zhejiang University 310027 Hangzhou, China.


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Aziz, T., Zheng, J., Jamil, M.I. et al. Enhancement in Adhesive and Thermal Properties of Bio‐based Epoxy Resin by Using Eugenol Grafted Cellulose Nanocrystals. J Inorg Organomet Polym (2021). https://doi.org/10.1007/s10904-021-01942-1

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  • Adhesive
  • Cellulose nanocrystals
  • Coupling agent
  • EBSCA: Epoxy resin