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Adhésifs naturels à base de tannin, tannin/lignine et lignine/gluten pour la fabrication de panneaux de bois

Abstract : This study deals with some researches carried out about the use of various natural materials as a source of raw material for the manufacturing of green adhesives for the industry of panel. In this context, work consisted in: (i)Evaluation of the potential of various tannins coming from barks wastes and development of adhesives containing tannins and various hardeners. (ii)Evaluation of the lignin potential from various origins and development of adhesives containing tannin from mimosa and lignin. (iii)Development of adhesives containing tannin and gluten protein. (iv)Evaluation of formaldehyde and other volatile organic compounds (VOC) from particleboards manufactures with the natural adhesives previously developed. Thermomechanical analyses, spectroscopy CP-MAS 13C NRM, matrix- assisted laser desorption/ionization mass spectroscometry (MALDI-TOF) and gelling time techniques were performed for evaluation and characterization of these adhesives. Internal bond test for the evaluation of adhesives mechanical resistance according to the standard EN-312 were also carried out. Concerning formaldehyde and other VOC emissions from panels with green adhesives, the recourse to standardized techniques which are gas chromatography associated with a mass spectrometer (GC-MS) and high performance liquid chromatography (HPLC) were privileged.
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Submitted on : Thursday, March 29, 2018 - 10:29:05 AM
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Paola Jeannette Navarrete Fuentes. Adhésifs naturels à base de tannin, tannin/lignine et lignine/gluten pour la fabrication de panneaux de bois. Autre. Université Henri Poincaré - Nancy 1, 2011. Français. ⟨NNT : 2011NAN10089⟩. ⟨tel-01746253⟩



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