The Experts below are selected from a list of 294 Experts worldwide ranked by ideXlab platform
Jean Jacques Robin - One of the best experts on this subject based on the ideXlab platform.
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Plant Oil-based epoxy resins from fatty diamines and epoxidized vegetable Oil
European Polymer Journal, 2015Co-Authors: Stemmelen Mylène, Lapinte Vincent, Robin Jean-Jacques, Habas Jean-Pierre, V. Lapinte, Mylène Stemmelen, Jean-pierre Habas, Jean Jacques RobinAbstract:Herein, the synthesis of vegetable Oil-derived diamines by thiol-ene coupling (TEC) using cysteamine hydrochloride is reported. Despite the amine group in cysteamine that is unfavorable to TEC, fatty allylamide (FAl-A) provides an aminated fatty amide (AFA). Due to other diamides, the influence of the fatty structure on the TEC reactivity was demonstrated. The structures were characterized using FTIR and 1 H NMR spectroscopies, and the crosslinking of epoxidized linseed Oil (ELO) with AFA was investigated using differential scanning calorimetry (DSC) and dynamic rheometry. The thermomechanical behavior of the plant Oil-based thermoset was also characterized and compared to a commercial diamine based on a fatty dimer structure and a branched polyamine prepared from Grapeseed Oil. Finally, the beneficial effect of oxidation of the epoxy resin on the thermomechanical properties is highlighted.
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol‐ene reaction to the study of the final material
Journal of Polymer Science Part A, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the polyamine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil properties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxidized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and curing of AGSO with ELO in stoichiometric proportions. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol-ene reaction to the study of the final material
Journal of Polymer Science, Part A: Polymer Chemistry, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the poly- amine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil prop- erties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxi- dized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and cur- ing of AGSO with ELO in stoichiometric proportions.
Mylène Stemmelen - One of the best experts on this subject based on the ideXlab platform.
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Plant Oil-based epoxy resins from fatty diamines and epoxidized vegetable Oil
European Polymer Journal, 2015Co-Authors: Stemmelen Mylène, Lapinte Vincent, Robin Jean-Jacques, Habas Jean-Pierre, V. Lapinte, Mylène Stemmelen, Jean-pierre Habas, Jean Jacques RobinAbstract:Herein, the synthesis of vegetable Oil-derived diamines by thiol-ene coupling (TEC) using cysteamine hydrochloride is reported. Despite the amine group in cysteamine that is unfavorable to TEC, fatty allylamide (FAl-A) provides an aminated fatty amide (AFA). Due to other diamides, the influence of the fatty structure on the TEC reactivity was demonstrated. The structures were characterized using FTIR and 1 H NMR spectroscopies, and the crosslinking of epoxidized linseed Oil (ELO) with AFA was investigated using differential scanning calorimetry (DSC) and dynamic rheometry. The thermomechanical behavior of the plant Oil-based thermoset was also characterized and compared to a commercial diamine based on a fatty dimer structure and a branched polyamine prepared from Grapeseed Oil. Finally, the beneficial effect of oxidation of the epoxy resin on the thermomechanical properties is highlighted.
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol‐ene reaction to the study of the final material
Journal of Polymer Science Part A, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the polyamine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil properties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxidized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and curing of AGSO with ELO in stoichiometric proportions. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol-ene reaction to the study of the final material
Journal of Polymer Science, Part A: Polymer Chemistry, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the poly- amine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil prop- erties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxi- dized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and cur- ing of AGSO with ELO in stoichiometric proportions.
V. Lapinte - One of the best experts on this subject based on the ideXlab platform.
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Plant Oil-based epoxy resins from fatty diamines and epoxidized vegetable Oil
European Polymer Journal, 2015Co-Authors: Stemmelen Mylène, Lapinte Vincent, Robin Jean-Jacques, Habas Jean-Pierre, V. Lapinte, Mylène Stemmelen, Jean-pierre Habas, Jean Jacques RobinAbstract:Herein, the synthesis of vegetable Oil-derived diamines by thiol-ene coupling (TEC) using cysteamine hydrochloride is reported. Despite the amine group in cysteamine that is unfavorable to TEC, fatty allylamide (FAl-A) provides an aminated fatty amide (AFA). Due to other diamides, the influence of the fatty structure on the TEC reactivity was demonstrated. The structures were characterized using FTIR and 1 H NMR spectroscopies, and the crosslinking of epoxidized linseed Oil (ELO) with AFA was investigated using differential scanning calorimetry (DSC) and dynamic rheometry. The thermomechanical behavior of the plant Oil-based thermoset was also characterized and compared to a commercial diamine based on a fatty dimer structure and a branched polyamine prepared from Grapeseed Oil. Finally, the beneficial effect of oxidation of the epoxy resin on the thermomechanical properties is highlighted.
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol‐ene reaction to the study of the final material
Journal of Polymer Science Part A, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the polyamine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil properties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxidized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and curing of AGSO with ELO in stoichiometric proportions. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol-ene reaction to the study of the final material
Journal of Polymer Science, Part A: Polymer Chemistry, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the poly- amine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil prop- erties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxi- dized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and cur- ing of AGSO with ELO in stoichiometric proportions.
Jean-pierre Habas - One of the best experts on this subject based on the ideXlab platform.
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Plant Oil-based epoxy resins from fatty diamines and epoxidized vegetable Oil
European Polymer Journal, 2015Co-Authors: Stemmelen Mylène, Lapinte Vincent, Robin Jean-Jacques, Habas Jean-Pierre, V. Lapinte, Mylène Stemmelen, Jean-pierre Habas, Jean Jacques RobinAbstract:Herein, the synthesis of vegetable Oil-derived diamines by thiol-ene coupling (TEC) using cysteamine hydrochloride is reported. Despite the amine group in cysteamine that is unfavorable to TEC, fatty allylamide (FAl-A) provides an aminated fatty amide (AFA). Due to other diamides, the influence of the fatty structure on the TEC reactivity was demonstrated. The structures were characterized using FTIR and 1 H NMR spectroscopies, and the crosslinking of epoxidized linseed Oil (ELO) with AFA was investigated using differential scanning calorimetry (DSC) and dynamic rheometry. The thermomechanical behavior of the plant Oil-based thermoset was also characterized and compared to a commercial diamine based on a fatty dimer structure and a branched polyamine prepared from Grapeseed Oil. Finally, the beneficial effect of oxidation of the epoxy resin on the thermomechanical properties is highlighted.
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol‐ene reaction to the study of the final material
Journal of Polymer Science Part A, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the polyamine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil properties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxidized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and curing of AGSO with ELO in stoichiometric proportions. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011
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A fully biobased epoxy resin from vegetable Oils: From the synthesis of the precursors by thiol-ene reaction to the study of the final material
Journal of Polymer Science, Part A: Polymer Chemistry, 2011Co-Authors: Mylène Stemmelen, V. Lapinte, FRANK PESSEL, Jean-pierre Habas, Sylvain Caillol, Jean Jacques RobinAbstract:A novel vegetable Oil-based polyamine issued from Grapeseed Oil (GSO) was prepared using cysteamine chloride (CAHC) by thiol-ene coupling (TEC). The structure of the poly- amine Oil (AGSO) was carefully examined using a large range of chemical analyses (FTIR, 1H NMR and 13C NMR, LC-MS…). The effects of the amination of GSO on the vegetable Oil prop- erties were also studied using viscosimetry. Then, AGSO was employed as a novel curing agent for bio-based epoxy resin. The thermal crosslinking reaction between AGSO and epoxi- dized linseed Oil (ELO) was studied by DSC and rheology. This study also dealt with the definition of the thermomechanical properties of the final material obtained by the mixing and cur- ing of AGSO with ELO in stoichiometric proportions.
Leenus Jesu Martin - One of the best experts on this subject based on the ideXlab platform.
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Characterization study on performance, combustion and emission of nano additive blends of Grapeseed Oil methyl ester fuelled CI engine with various piston bowl geometries
Heat and Mass Transfer, 2020Co-Authors: Praveena Vedagiri, Leenus Jesu Martin, Edwin Geo VaruvelAbstract:The present work studies the outcome of various piston bowl geometries like shallow depth combustion chamber (SCC), toroidal shaped combustion chamber (TCC) and hemispherical shaped combustion chamber (HCC) in a compression ignition engine energized with diesel and Grapeseed Oil methyl ester with nano additives. The non-edible Oil selected for the present investigation is Grapeseed Oil which was derived from winery waste. After single step transesterification with sodium hydroxide and methanol, Grapeseed Oil methyl ester was produced, and 100% of this biodiesel was further blended with optimized Zinc oxide nano particles of 100 ppm to reduce the NO emissions. Tests were conducted in 5.2 kW at 1500 rpm, single cylinder diesel engine. Performance, combustion and emission characteristics were studied for three sorts of combustion chamber geometry using Grapeseed Oil biodiesel with zinc oxide nano particles. Brake thermal efficiency turned out to be higher for toroidal combustion chamber in comparison with the other two designs of combustion chamber geometry. Also, other emissions like CO, HC and smoke were lower with toroidal shaped combustion chamber geometry. Considering the engine analysis, the toroidal shaped combustion chamber geometry was found to be better than shallow depth and hemispherical combustion chamber at all operating load conditions. The NO emissions were also found to be 13.2% lesser at full load operation for Grapeseed Oil methyl ester with zinc oxide nano particle blend.
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Experimental study on NO_x reduction in a Grapeseed Oil biodiesel-fueled CI engine using nanoemulsions and SCR retrofitment
Environmental Science and Pollution Research, 2019Co-Authors: Praveena Vedagiri, Edwin Geo Varuvel, Leenus Jesu Martin, Thiyagarajan SubramanianAbstract:Stringent emission norms impose challenges to original equipment manufacturer (OEM) in reducing diesel engine emissions. Implementing renewable fuels as alternative energy sources in diesel engines leads to increased emission levels particularly NO_x. In this work, performance, combustion, and emission parameters from a diesel engine powered with Grapeseed Oil biodiesel (GSBD) was investigated. Nano additive emulsions of cerium oxide (CeO_2) and zinc oxide (ZnO) at 100 ppm each were added to Grapeseed Oil biodiesel. To enhance the NO_x reduction task further, an advanced technology called selective catalytic reduction (SCR) system was used. With easy availability of aqueous urea, careful injection, and distribution of the reductant solution, a paradigm change was brought about in NO_x reduction technology. The experiments were carried out with and without SCR for better understanding and investigation. The percentage reduction of NO_x emission by adding cerium oxide and zinc oxide emulsion blends were 4.19% and 13.13%, respectively. The overall reduction in NO_x emission were 74.16% and 80.06% with SCR for cerium oxide and zinc oxide emulsion blends. The research conclusions make Grapeseed Oil biodiesel conceivable as an effective alternate fuel for diesel engines without any engine modifications.
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experimental study on nox reduction in a Grapeseed Oil biodiesel fueled ci engine using nanoemulsions and scr retrofitment
Environmental Science and Pollution Research, 2019Co-Authors: Praveena Vedagiri, Edwin Geo Varuvel, Leenus Jesu Martin, Thiyagarajan SubramanianAbstract:Stringent emission norms impose challenges to original equipment manufacturer (OEM) in reducing diesel engine emissions. Implementing renewable fuels as alternative energy sources in diesel engines leads to increased emission levels particularly NOx. In this work, performance, combustion, and emission parameters from a diesel engine powered with Grapeseed Oil biodiesel (GSBD) was investigated. Nano additive emulsions of cerium oxide (CeO2) and zinc oxide (ZnO) at 100 ppm each were added to Grapeseed Oil biodiesel. To enhance the NOx reduction task further, an advanced technology called selective catalytic reduction (SCR) system was used. With easy availability of aqueous urea, careful injection, and distribution of the reductant solution, a paradigm change was brought about in NOx reduction technology. The experiments were carried out with and without SCR for better understanding and investigation. The percentage reduction of NOx emission by adding cerium oxide and zinc oxide emulsion blends were 4.19% and 13.13%, respectively. The overall reduction in NOx emission were 74.16% and 80.06% with SCR for cerium oxide and zinc oxide emulsion blends. The research conclusions make Grapeseed Oil biodiesel conceivable as an effective alternate fuel for diesel engines without any engine modifications.
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The potential impact of unsaturation degree of the biodiesels obtained from beverage and food processing biomass streams on the performance, combustion and emission characteristics in a single-cylinder CI engine
Environmental Science and Pollution Research, 2019Co-Authors: Prabhu Chelladorai, Edwin Geo Varuvel, Leenus Jesu Martin, Bedhannan NagalingamAbstract:The purpose of this study is to experimentally investigate the effect of unsaturation of the biodiesels obtained from Grapeseed Oil, wheat germ Oil and coconut Oil (reference fuel) for compression ignition (CI) engine application. Fatty acid profile analysis and physio-chemical properties were determined by standard test procedures. Engine testing was carried out in a 5.2-kW single-cylinder CI engine and the combustion, performance and emission characteristics were analysed. The effect of fuel property variation and the combustion reaction kinetics due to unsaturation difference have been discussed. The maximum brake thermal efficiency at full load for diesel was found to be 32.3% followed by 31.3%, 30.2% and 27.4 %, respectively, for coconut biodiesel (CBD), Grapeseed biodiesel (GSBD) and wheat germ biodiesel (WGBD). Maximum heat release rate as observed for diesel, CBD, GSBD and WGBD are 63.2 J/°CA 60.7 J/°CA and 59 J/°CA and 43.4 J/°CA respectively. The brake-specific NO emission at full load is higher for CBD followed by GSBD, WGBD and diesel having values of 9.23 g/kWh, 8.91 g/kWh, 8.21 g/kWh and 7.6 g/kWh respectively. Conversely, the smoke emission is lower for CBD compared to the other tested fuels.
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synergistic effect of hydrogen induction with biofuel obtained from winery waste Grapeseed Oil for ci engine application
International Journal of Hydrogen Energy, 2018Co-Authors: Prabhu Chelladorai, Edwin Geo Varuvel, Leenus Jesu Martin, Nagalingam BedhannanAbstract:Abstract The purpose of this study is to experimentally investigate the use of Grapeseed Oil as a fuel substitute obtained from biomass waste from winery industry and the synergic effect of hydrogen addition for compression ignition engine application. The experiments were carried out in a single cylinder, four stroke diesel engine for various loads and energy share of hydrogen. Combustion, performance and emission characteristics of Grapeseed biodiesel, neat Grapeseed Oil and diesel have been analysed and compared with the results obtained with hydrogen induction in the intake manifold in dual fuel mode. At full load, maximum brake thermal efficiency of the engine with diesel, Grapeseed biodiesel and neat Grapeseed Oil has increased from 32.34%, 30.28% and 25.94% to 36.04%, 33.97% and 30.95% for a maximum hydrogen energy share of 14.46%, 14.1% and 12.8% respectively. Although there is an increasing trend in Nitric Oxide emission with hydrogen induction, smoke, brake specific hydrocarbon, carbon monoxide, and carbon dioxide emissions respectively, reduces. Nitric oxide emission of Grapeseed biodiesel with maximum hydrogen share at full load is higher by 43.61% and smoke emission lower by 19.73% compared to biodiesel operation without hydrogen induction.
