Academic literature on the topic 'Biosouced materiels'
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Journal articles on the topic "Biosouced materiels":
Llanes, Ludovic, Pascal Dubessay, Guillaume Pierre, Cédric Delattre, and Philippe Michaud. "Biosourced Polysaccharide-Based Superabsorbents." Polysaccharides 1, no. 1 (November 16, 2020): 51–79. http://dx.doi.org/10.3390/polysaccharides1010005.
Sessini, Valentina, Bashar Haseeb, Antal Boldizar, and Giada Lo Re. "Sustainable pathway towards large scale melt processing of the new generation of renewable cellulose–polyamide composites." RSC Advances 11, no. 2 (2021): 637–56. http://dx.doi.org/10.1039/d0ra07141b.
Bellel , N. and Boufendi , T. "Characterization of Biosourced Materials Cement - Date Palm Fibers." Journal of New Technology and Materials 10, no. 1 (June 2020): 26–30. http://dx.doi.org/10.12816/0058147.
Amaral-Labat, G., L. I. Grishechko, G. F. B. Lenz e Silva, B. N. Kuznetsov, V. Fierro, A. Pizzi, and A. Celzard. "Rubber-like materials derived from biosourced phenolic resins." Journal of Physics: Conference Series 879 (July 2017): 012013. http://dx.doi.org/10.1088/1742-6596/879/1/012013.
Pierre, Thomas, Thibaut Colinart, and Patrick Glouannec. "Measurement of Thermal Properties of Biosourced Building Materials." International Journal of Thermophysics 35, no. 9-10 (July 19, 2013): 1832–52. http://dx.doi.org/10.1007/s10765-013-1477-0.
Boivin, Louis-Philippe, William Dupont, Mario Leclerc, and David Gendron. "Biosourced Vanillin-Based Building Blocks for Organic Electronic Materials." Journal of Organic Chemistry 86, no. 23 (November 12, 2021): 16548–57. http://dx.doi.org/10.1021/acs.joc.1c01869.
Fang, Xiao Yi, Olivier Vitrac, Sandra Domenek, and Violette Ducruet. "Controlling the Molecular Interactions to Improve the Diffusion Barrier of Biosourced Polymers to Organic Solutes." Defect and Diffusion Forum 323-325 (April 2012): 269–74. http://dx.doi.org/10.4028/www.scientific.net/ddf.323-325.269.
Ba, Housseinou, Wei Wang, Sergey Pronkin, Thierry Romero, Walid Baaziz, Lam Nguyen-Dinh, Wei Chu, Ovidiu Ersen, and Cuong Pham-Huu. "Biosourced Foam-Like Activated Carbon Materials as High-Performance Supercapacitors." Advanced Sustainable Systems 2, no. 2 (January 12, 2018): 1700123. http://dx.doi.org/10.1002/adsu.201700123.
Santato, Clara. "(Invited) Biodegradable Organic Electronics: Degradation of Eumelanin Studied by Fluorescence Spectroscopy." ECS Meeting Abstracts MA2022-01, no. 20 (July 7, 2022): 1098. http://dx.doi.org/10.1149/ma2022-01201098mtgabs.
Enneiymy, Mohamed, Claude Le Drian, and Jean-Michel Becht. "Green reusable Pd nanoparticles embedded in phytochemical resins for mild hydrogenations of nitroarenes." New Journal of Chemistry 43, no. 44 (2019): 17383–89. http://dx.doi.org/10.1039/c9nj04474d.
Dissertations / Theses on the topic "Biosouced materiels":
Lissaneddine, Amina. "Formulation d’adsorbant à base de matériaux naturels et leurs combinaisons au procédé électrochimique pour traiter des effluents industriels." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0296.
Olive mill technology generates a considerable amount of solid (olive pomace) and liquid (olive mill wastewater) by-products during olives milling season, usually between November and March. These wastes represent a great challenge for olive oil producers since they must find technical, environmental and economical solutions to manage these by-products. The main objective of this thesis was to explore and propose a complete cycle of olive mill wastes treatment. This is in the framework of a zero liquid and waste discharge approach and promotes the circular economy concept. Two sorbents based on olive pomace chemical activation, i.e., powdered activated carbon within composite alginate beads and granular activated carbon (GAC), were successfully synthetized. Both materials had a structure and a porous morphology that revealed their feasibilities as potential and low-cost bio-sorbents. They were employed in either adsorption or electrosorption for phenolic compounds (PCs) recovery from olive mill wastewater (OMWW). The adsorption of PCs fitted second-order kinetics (R2 = 0.997) and Langmuir isotherms (R2 = 0.995). The thermodynamic parameters for the PCs adsorption onto the bio-adsorbent suggested a spontaneous nature of adsorption, an endothermic reaction and a modification of bio-adsorbent surface during the adsorption process. Thomas's model was better at predicting PCs column adsorption (R2 =0.97). Finally, the investigation of bio-adsorbent regeneration showed that the recovery of phenols from OMWW could be carried out with ethanol (43% of PCs recovered) or hydrochloric acid (90% of PCs recovered). The results of electrochemical characterization of the two bio-adsorbent electrodes showed that the high electroactive surface area, the high value of exchange current intensity (I0) and the low value of charge transfer resistance (RCT) could be promising properties for electrosorption studies. Electrosorption improved the adsorption capacity of the composite beads from 123 to 170 mg g-1 and the removal rate of PCs from 66 to 74% for GAC. Furthermore, the electrosorption of organic compounds was shown for the first time with real wastewater. New models were developed to better understand and predict PCs electrosorption kinetics, including transient mass transport. The remaining organic compounds in OMWW were then eliminated (91 % of chemical oxygen demand (COD) removed) by advanced electro-oxidation treatment, while the bio-adsorbent was regenerated (34.5% of PCs recovered) by an electrochemical method
Heinrich, Lydia Alexandra. "Biosourced Coating Systems for Metallic Substrates." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1004.
Moving away from petroleum and towards biobased materials not only leads to greater sustainability and lower dependence on diminishing fossil resources, but can also catalyse the discovery of new properties. Aliphatic polyesters based on renewable resources have already started to replace traditional products. Within the Sorago project, a fully biobased resin for interior coil coatings has recently been proposed on the market (Estetic® Bio Air, Arcelor Mittal). In order to extend the possible use of the biobased product to exterior applications, an improvement of its resistance to humidity and UV radiation is crucial. This presents two challenges: The limited availability of monomers which provide rigidity in the resin structure and the relationship between the resin composition and its weatherability. Vanillin was chosen as a possible extension to the range of rigid, biobased monomers for polyesterification reactions. The transformation of its aldehyde and its reactivity was studied in terms of catalytic activation and through a series of copolymerisations which revealed the influence of the reaction conditions on the composition of the product. A structure-property relationship concerning the coating glass transition temperature and visco-elastic behaviour of the coating was furthermore established for a series of renewable monomers and contrasted with petroleum based equivalents. Series of prototypes with a wide variety of properties were then subjected to accelerated weathering tests. Their degradation was followed directly by gloss retention and different mechanisms were revealed using FTIR, µ-hardness and film thickness measurements. While the performance of the biobased coating was subpar, no evidence linking its degradation to the presence of renewable monomers was found, suggesting that the creation of a sufficiently durable and renewable exterior coating will be possible
Brouard, Yoann. "Caractérisation et optimisation d'un composite biosource pour l'habitat." Thesis, Tours, 2018. http://www.theses.fr/2018TOUR4024.
The purpose of this study was to compare hygrothermal acoustical and mechanical properties ot different materials based on vegetal aggregates and clay in order to characterize the performances of different biocomposites to provide building insulation solutions with a view to valorizing agricultural waste. We first analyzed the raw materials in order to get the density, thermal and hydric properties of the vegetal aggregates in one hand and the mineralogy and gravimetric data of the selected crude earth in the other hand. Thermal behavior of earth:vegetal aggregates mixes have been investigated at different humidity rates and different density ranges. Additionally, hydric properties have been measured to produce sorption and desorption curves and moisture buffer values (MBV) in one hand and capillarity of both aggregates and biocomposites on the other hand. One of the main interests of this study is to confirm that a wide range of locally produced vegetal byproducts could be used as - bioaggregates for concretes. Local biomaterials industries could therefore emerge depending on the locally available resources at country scale
Ndiaye, Mame Mor Diarra. "Optimisation d’un capteur solaire double passe à air et estimation des échanges de chaleur paroi-fluide." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCA039/document.
In this work, we present a study of the performance of a double pass flat solar collector for the production of hot air to supply and improve drying techniques. The cases of an absorber with and without fins are analyzed.Theoretical models for the double pass solar collector with and without fins have been established and solved numerically using codes developed in Fortran to obtain a global approach. Comsol Multi-physics code is used for a more local study. An experimental device has been designed to validate the results obtained numerically. One of the particularities of the solar collector developed in the laboratory is its insulation system. For this, a local bio-sourced material composed of crushed millet stems has been developed to increase the performance of the solar collector. The properties of the bio-sourced materials used for insulation were characterized by using available laboratory testing model. A comparison of the measured and calculated temperatures validated both the experimental and numerical approaches. The performance evaluation showed a strong influence of the flow rate and solar radiation on the energy efficiency of the double pass finned solar collector. The global approach to heat balances within the solar collector is mainly based on the heat transfer coefficients between the fluid and the absorber. An estimation of these coefficients is proposed in the last part of this work.Keywords: Solar collector, double pass, millet rod crushed, biosourced material, numerical modeling, experiment, performance
Medjelekh, Dalel. "Caractérisation multi-échelle du comportement thermo hybride des enveloppes hygroscopiques." Thesis, Limoges, 2015. http://www.theses.fr/2015LIMO0112/document.
In front of the building energy issues and environmental impact bound, it appears that the hygroscopic envelopes are a promising track in terms of improving of the thermal comfort, indoor air quality, energy consumption and indoor humidity regulation. Today, we lack reference values of the transient hygrothermal behavior of this envelope type. The physics of moisture transfer in hygroscopic materials (capable to fixing moisture) is complex and makes it difficult modeling of coupled heat and mass transfers. Experimental and numerical approaches of hygrothermal behavior in hygroscopic envelops was therefore conducted with a multi-scale visions. Thus, monitoring of four habited houses was the characterization focus at the first scale. The study on the material scale allowed to characterize the properties related to the heat and mass transfer. The hygrothermal coupling has been the subject of a specific study at a wall scale. Finite differences and finite elements implementations have resulted in a detailed analysis of transfers across cell-test with a reduction work of order required to limit the calculation time. Emphasis is placed on the effects of moisture brought in indoor environments in order to validate a digital tool developed in this work. The selected hygroscopic envelopes are composed of biosourced materials such as massive wood, wood concrete, earth and straw. Envelopes of travertine and plasterboard are also studied
Challansonnex, Arnaud. "Transferts couplés chaleur/masse dans les matériaux de construction biosourcés : investigation expérimentale et théorique du non-équilibre local." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC022/document.
The growing interest in biosourced materials in the construction sector is confronted with difficulties in simulating their hygrothermal behavior. Insulating materials such as fiberboard concentrate all the difficulties because they are not very thermally conductive, very hygroscopic and very diffusive to water vapor. Consequently, in transient state, heat and mass coupling is exacerbated, and the phases of water are not in equilibrium locally.In order to highlight this second phenomenon, a new experimental device has been developed. It allows to subject a sample a few centimeters thick to a disturbance of relative humidity on its front face and then to simultaneously measure the evolution of relative humidity on its back face and its mass. In a situation of non-equilibrium, there is a phase shift between these two quantities that the classic coupled transfer formulation cannot predict. In order to obtain a correct prediction, a new formulation was used. It is based on the use of memory functions characterizing microscopic diffusion. In order to demonstrate the predictive capacity of the new formulation, these functions have been determined with gravimetric tests performed on very small samples using a magnetic suspension balance. In parallel, a rigorous analysis of the heat and mass coupling in these materials made it possible to highlight the impact of different macroscopic parameters on their characterization.The use of the new formulation fed by the identified memory functions and the various macroscopic parameters allows an excellent prediction of relative humidity and mass. This new formulation, experimentally validated, can now be used in energy simulation of the building
Roux-Pertus, Charles. "Investigation de la Pulvérisation Électrohydrodynamique du Chitosan." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0335.
Electrohydrodynamic (EHD) methods enable to produce with one low cost set-up polymeric films/particles by electrospray or polymeric fibres by electrospinning. Particles or fibres produced by these methods can be very uniform in size. Therefore, electrospray and electrospinning of chitosan are appealing topics of re-search. Chitosan is a bio-based material possessing numerous qualities such as biocompati-bility, biodegradability, antibacterial activity and muco-adhesion. This thesis deals with EHD methods with a focus on chitosan electrospray whose applications are abundant in health (tissue engineering, drug delivery), food (nutrients en-capsulation, cling film), wastewater treatment and textiles. However electrospray has several limitations. First, effective electrospray depends of the grade of the chitosan, of the preparation of the solution and of used set-up. Second, particle-size distribution reported in literature are broad whereas applications such as drug delivery require monodisperse particle-size distributions. Then, the question is to know how to produce chitosan particles of monodisperse controlled size. To answer this question, a critical analysis of literature led to an experimental approach divided in four steps : (1) characterization of chitosan, (2) measurement of chitosan solution properties, (3) study of stability of electrospray process, (4) assessment of deposit morphology and particle-size distribution. Finally, as part of a biomimetic approach, imitation with chitosan of natural shapes has been studied. These shapes are part of structures that confer striking properties such as hygrochromic behavior and hydrophobicity to insects
Goument, Caroline. "Caractérisation, mise en forme et recyclage de polymères biosourcés pour le développement d’un procédé de fabrication plastronique respectueux de l’environnement." Electronic Thesis or Diss., Lyon, INSA, 2023. http://www.theses.fr/2023ISAL0109.
In the majority of cases, electronic objects in our everyday life have a plastic casing made of petrochemical polymer materials. Today, replacing the petrochemical-based materials with more environmentally-friendly ones is a necessary transition. 3D plastronics is an emerging field of research than can overcome some of the limitations of conventional electronics, particularly as it requires to redefine the polymer substrates. This PhD is part of the BIOANTENNA project of the AURA Region's Ambition Research Pack, whose goal is to manufacture an innovative electronic device in terms of the materials used and the functionalities of the electronic circuit. In this thesis, we study a mass production process for electronic devices called In-Mold Electronics (IME). It comprises three main stages: screen printing, thermoforming and injection molding. In the state of the art, the reference polymer in IME is PolyCarbonate (PC). Our goal is to replace PC with a more environmentally-friendly material: Poly(Lactic Acid) (PLA). Over the last ten years, this polymer has been the subject of numerous studies in order to use it as an alternative to petrochemical-based engineering polymers. PLA is the most widely used biosourced polymer today. It is also biodegradable in industrial composting, which could provide a solution for end-of-life products and make it suitable for use in the circular economy. This manuscript is divided in two main parts : one regarding the manufacturing of a plastronic device using IME and PLA, and the other on the dismantling of the IME devices manufactured in the first part
Soulama, Sagnaba. "Caractérisation mécanique et thermique de biocomposites à matrice polystyrène recyclé renforcée par des coques de cotonnier (Gossypium Hitsutum L.) ou des particules de bois de Kénaf (Hibiscus Cannabinus L.)." Thesis, Belfort-Montbéliard, 2014. http://www.theses.fr/2014BELF0243/document.
In the current context marked by a large emergence of environmental issues, the circular economy and sustainable development, the development of eco-materials represents a major challenge which offers an alternative to plastics recycled at end of life cycles.The objective of this work is to contribute to the development of two eco-materials from plant biomass non-cultivable food available, associated with synthetic polymers recycled at end of life cycles.It is a part, to develop a biosourced material constitutes of recycled polystyrene, strengthened of hulls of cotton. This material will be likely to be a substitute for polystyrene in areas of various applications such as the manufacture of parts for thermal insulation, interior trim from cars, the hulls of cellular mobile, computers, photocopiers, and various packaging.On the other hand, to develop particle board in wood of cotton stems and stalks of kenaf associated with a binder natural (the glue of bone) for use in the area of the thermal insulation of interior in replacing the panels of particles prepared with glue urea formaldehyde.The influence of the parameters for the development for each of the two materials was analyzed. After optimization of conditions of implementation for each material, the holding mechanical, thermal properties and the microstructure have been determined and optimized in each case
Book chapters on the topic "Biosouced materiels":
Arenillas, Ana, J. Angel Menéndez, Gudrun Reichenauer, Alain Celzard, Vanessa Fierro, Francisco José Maldonado Hodar, Esther Bailόn-Garcia, and Nathalie Job. "Organic and Carbon Gels Derived from Biosourced Polyphenols." In Advances in Sol-Gel Derived Materials and Technologies, 27–85. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13897-4_2.
Alarifi, Ibrahim M. "Synthetic biosources." In Synthetic Engineering Materials and Nanotechnology, 123–53. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-12-824001-4.00013-2.
Kumar, Sanath, Gita B. Bhanuse, Madhuri Birare, Atul Verma, and Yen-Pei Fu. "Biopolymer-based Green Supercapacitors: A Critical Review." In Low-carbon Supercapacitors, 146–74. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837672479-00146.
Chailleux, E., M. Audo, S. Goyer, C. Queffelec, and O. Marzouk. "Advances in the development of alternative binders from biomass for the production of biosourced road binders." In Advances in Asphalt Materials, 347–62. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-08-100269-8.00011-8.
Scarpino, Stefania, and Umberto Malapelle. "Liquid Biopsy: A New Diagnostic Strategy and Not Only for Lung Cancer?" In Histopathology and Liquid Biopsy [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.94838.
Elijah Fadeyi, Adewale, and Saheed Olatunbosun Akiode. "Analysis and Characterization of Lignocellulosic Biomass Extracted from Selected Agricultural Wastes." In From Biomass to Biobased Products [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.112954.
Conference papers on the topic "Biosouced materiels":
Li, S., G. Boussatour, P. Y. Cresson, B. Genestie, N. Joly, and T. Lasri. "Wide Band (0,5-67 GHz) Dielectric Properties of Biosourced Cellulose Ester Flexible Films." In 2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). IEEE, 2019. http://dx.doi.org/10.1109/imws-amp.2019.8880132.
Piégay, Clément, Philippe Glé, Etienne Gourlay, Emmanuel Gourdon, and Sandrine Marceau. "Micro-Macro Modelling Approach of Vegetal Wools Thermal Conductivity." In 4th International Conference on Bio-Based Building Materials. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.421.
Boussatour, G., P. Y. Cresson, B. Genestie, N. Joly, and T. Lasri. "Characterization of biodegradable and biosourced polylactic acid (PLA) substrate in a wide frequency range (0,5–26 GHz)." In 2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). IEEE, 2017. http://dx.doi.org/10.1109/imws-amp.2017.8247428.