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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Heeres, Hero Jan
University of Groningen
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Torque measurement as a tool to monitor the breakdown of cassava starch gels, by the effect of Fenton's initiator for graft copolymerizationcitations
- 2022The Effect of Molecular Weight on the (Re)-Processability and Material Properties of Bio-Based, Thermoreversibly Cross-Linked Polyesterscitations
- 2019Bio-Based Chemicalscitations
- 2019Insight into the hydrogenation of pure and crude HMF to furan diols using Ru/C as catalystcitations
- 2015Structure-Mechanical and Thermal Properties Relationship of Novel gamma-Valerolactone-Based Polyurethanescitations
- 2015Catalytic upgrading of sugar fractions from pyrolysis oils in supercritical mono-alcohols over Cu doped porous metal oxidecitations
- 2013Catalyst studies on the ring opening of tetrahydrofuran-dimethanol to 1,2,6-hexanetriolcitations
- 2012Characterization of Physic nut (Jatropha curcas L.) shellscitations
- 2012In situ catalytic pyrolysis of lignocellulose using alkali-modified amorphous silica aluminacitations
- 2010Extraction of Jatropha curcas proteins and application in polyketone-based wood adhesivescitations
Places of action
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article
Extraction of Jatropha curcas proteins and application in polyketone-based wood adhesives
Abstract
<p>Jatropha proteins were successfully extracted from the corresponding seeds using the principle of isoelectric precipitation. Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), elemental analysis and Fourier transform infrared spectroscopy (FTIR) were used to analyze the obtained proteins. The proteins were used at different contents as a reactive component in polyketone-based wood adhesive formulations. The stability, structure, pot-life and performance of the emulsions as wood adhesive were studied at room temperature by using rheology analysis, confocal fluorescence microscopy and shear strength tests. Emulsions containing proteins were prepared at 45% solids content, a composition which results in phase separation when using only the reference polyketone-based adhesive. Several factors, such as the particle size (100, 250 pm) of the Jatropha proteins and the overall chemical composition of the emulsion, were systematically studied regarding their influence on the product performance. The present study shows that introducing Jatropha proteins into the basic recipe of a polyketone-based adhesive constitute a successful strategy for improving the performance as wood adhesives while at the same time significantly improving the economical attractiveness of these adhesive formulations. All emulsions presented in this work fulfill the requirements for the application of the final product as wood adhesives according to the European EN-314 Standard. (C) 2010 Elsevier Ltd. All rights reserved.</p>