Production of oil palm (Elaeis guineensis) fronds lignin-derived non-toxic aldehyde for eco-friendly wood adhesive

Abstract : Lignocellulosic materials can significantly contribute to the development of eco-friendly wood adhesives. In this work, glyoxal-phenolic resins for plywood were prepared using organosolv lignin, which was isolated from black liquor recovered from organosolv pulping of oil palm fronds (OPF) and considered to be an alternative to phenol. Glyoxal, which is a dialdehyde obtained from several natural resources, was used as substitute for formaldehyde. The structure of organosolv lignin and the resins were characterized by FTIR and NMR, and for thermal stability by TGA and DSC. The resins were further studied for their viscosity, pH, solids content and gel times. The resins performance as wood adhesive was further established from mechanical test in terms of tensile strength and modulus of elasticity (MOE) to obtain the optimum ratios of organosolv lignin, which replaces phenol in organosolv lignin phenol glyoxal (OLPG) resins. The adhesive composition having 50% (w/w) of phenol substituted by organosolv lignin, termed as 50% OLPG showed highest adhesive strength compared to phenol formaldehyde (PF) commercial adhesive.
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https://hal.univ-lorraine.fr/hal-02297016
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Submitted on : Wednesday, September 25, 2019 - 4:31:59 PM
Last modification on : Thursday, September 26, 2019 - 1:19:19 AM

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M. Hazwan Hussin, Noraini Abdul Samad, Nur Hanis Abd. Latif, Nurul Adilla Rozuli, Siti Baidurah Yusoff, et al.. Production of oil palm (Elaeis guineensis) fronds lignin-derived non-toxic aldehyde for eco-friendly wood adhesive. International Journal of Biological Macromolecules, Elsevier, 2018, 113, pp.1266-1272. ⟨10.1016/j.ijbiomac.2018.03.048⟩. ⟨hal-02297016⟩

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