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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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Magalhaes, Fd
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2020Experiment and modelling of the strain-rate-dependent response during in vitro degradation of PLA fibrescitations
- 2018Dynamic mechanical analysis and creep-recovery behavior of agglomerated corkcitations
- 2018Antimicrobial graphene nanoplatelets coatings for silicone catheterscitations
- 2014Evaluation of Bonding Performance of Amino Polymers Using ABEScitations
- 2014Physicomechanical characterization of monodisperse multivesiculated polyester particlescitations
- 2013Effect of incorporation of graphene oxide and graphene nanoplatelets on mechanical and gas permeability properties of poly(lactic acid) filmscitations
- 2013Dispersion of graphene nanoplatelets in poly(vinyl acetate) latex and effect on adhesive bond strengthcitations
- 2013Preparation and Characterization of Acrylic Polymer Nanocomposite Films Obtained from Aqueous Dispersionscitations
- 2012Synthesis and Characterization of Allyl Fatty Acid Derivatives as Reactive Coalescing Agents for Latexescitations
- 2011Evaluation of urea-formaldehyde adhesives performance by recently developed mechanical testscitations
- 2010A Study on the Colloidal Nature of Urea-Formaldehyde Resins and Its Relation with Adhesive Performancecitations
- 2006New trends on membrane science
Places of action
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article
Evaluation of urea-formaldehyde adhesives performance by recently developed mechanical tests
Abstract
In the open literature, two main strategies can be found for synthesizing urea-formaldehyde (UF) resins. One is the alkaline-acid process, which takes place in three steps, usually an alkaline methylolation followed by an acid condensation and then the addition of a final amount of urea. The other process consists of four steps, the main difference being an initial condensation in strongly acid environment. In this work, we evaluate the curing behaviour of four resins produced using the aforementioned processes by the Integrated Pressing and Testing System (IPATES) and the Automated Bonding Evaluation System (ABES). The characterisation of the bond strength development during hot pressing by ABES and IPATES shows that the four resins will have different performances in the bonding process of wood-based composites. For each resin, the effect of pressing parameters such as temperature, adhesive and hardener ratios on shear strength (ABES) and internal bond (IPATES) during hot pressing is put into evidence.