TY - EJOU AU - Saad, Houda AU - Pizzi, Antonio AU - Charrier, Bertrand AU - Ayed, Naceur AU - Rode, Karsten AU - Bouhtoury, Fatima Charrier - El TI - Valorization of Tunisian Pomegranate Peel Tannins in Green Adhesives Formulation T2 - Journal of Renewable Materials PY - 2015 VL - 3 IS - 1 SN - 2164-6341 AB - The possible use of Tunisian pomegranate tannins in wood adhesive formulation was studied for the fi rst time. Colorimetric tests, Fourier transformed infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR) and matrix-assisted laser desorption/ionization time-of-fl ight (MALDI-TOF) mass spectrometry were used to examine pomegranate tannins. Analysis showed that pomegranate peels are rich in hydrolyzable tannins. The Stiasny number tests showed the low reactivity of pomegranate tannin extract to formaldehyde and thus the diffi culty of using it in wood adhesive formulation. Thermomechanical analysis (TMA) and strength analysis of pomegranate tannin/hexamine-based resin showed weak bonding properties. KW - Pomegranate tannin KW - wood adhesives KW - NMR KW - FTIR KW - TMA KW - shear strength DO - 10.7569/JRM.2014.634130