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Mixture of Graphene Oxide/Phosphoric Acid/Melamine as Coating for Improved Fire Protective Performance and Enhancement of Surface Electrical Properties on Wood Chipboard

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Looking for multifunctional materials, an assessment of the performances both as fire retardant and generator of electrically conductive surfaces for a three component mixture of graphene oxide, phosphoric acid and melamine applied on wood chipboard was performed. A simple approach was used to investigate the intumescent char formation and quantify the loss mass during vertical burning tests, in which the prepared samples were exposed for a certain time interval to a flame generated by an ethanol lamp in ambient conditions. Moreover, mass loss evolution and structural changes that occur during the burning process were more comprehensive investigated by differential thermal and thermogravimetric (DTA/TGA) techniques. By comparing the performances between the wood chipboard samples without any coverage and those covered with one or multiple component mixture, an increase of protection against the fire action was noticed when the three component mixture was used. Also, an improvement of the electrical properties was observed, after flame exposure of the samples covered with multiple layers (i.e., two and three), when the three component mixture was used. Morphological and structural investigations by microscopy (optical and electronic-SEMEDX), X-ray diffraction (XRD) and spectral (Raman, FTIR) methods are described. An assessment of market potential is also discussed.

Keywords: Fire Retardant; Graphene Oxide; Multifunctionality; Wood Materials

Document Type: Research Article

Affiliations: 1: Institute of Research-Development-Innovation in Applied Natural Sciences, Babes-Bolyai University, RO-400294, Cluj-Napoca, Romania 2: Department of Chemical Engineering, Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, RO-400028, Cluj-Napoca, 077125, Romania 3: Department of Physics and Chemistry, Faculty of Materials and Environmental Engineering, Technical University of Cluj-Napoca,Muncii Bulevardul 103-105, RO-400641, Cluj-Napoca, Romania 4: Nanostructured Materials and Bio-Nano-Interfaces Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babes-Bolyai University, RO-400271, Cluj-Napoca, Romania 5: Faculty of Physics, Babes-Bolyai University, RO-400084, Cluj-Napoca, Romania 6: Faculty of Economics and Business Administration, Babes-Bolyai University, RO-400591, Cluj-Napoca, Romania 7: Department of Mechanical Engineering, Faculty of Mechanics, Technical University of Cluj-Napoca, Muncii Bulevardul 103-105, RO-400641, Cluj-Napoca, Romania 8: Lab. Optical Process in Nanostructured Materials (LOPNM), National Institute of Materials Physics, Atomistilor str. 405 A, Bucharest-Magurele, 077125, Romania 9: Lab. Optical Process in Nanostructured Materials (LOPNM), National Institute of Materials Physics, Bucharest-Magurele, 077125, Romania 10: Fire Officers Faculty, "Alexandru Ioan Cuza" Police Academy, Bucharest, 022451, Romania

Publication date: April 1, 2021

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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