| People | Locations | Statistics |
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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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Laurikainen, Pekka
Tampere University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024The role of hard and soft segments in the thermal and mechanical properties of non-isocyanate polyurethanes produced via polycondensation reactioncitations
- 2023Characterisation and Validation of the Microscale Testing of Fibre Matrix Interphases
- 2022Fiber Resizing, Compounding and Validationcitations
- 2022Towards Sustainable Composite Manufacturing with Recycled Carbon Fiber Reinforced Thermoplastic Compositescitations
- 2022Micro-fatigue test - A new dimension towards cyclic load test for interface characterisation
- 2021Effect of graphene oxide surface treatment on the interfacial adhesion and the tensile performance of flax epoxy compositescitations
- 2020Resizing approach to increase the viability of recycled fibre-reinforced compositescitations
- 2020Resizing Approach to Increase the Viability of Recycled Fibre-Reinforced Compositescitations
- 2019Properties of pyrolytically recycled carbon fibers and their re-use in composites
- 2019DLC-treated aramid-fibre compositescitations
- 2019DLC-treated aramid-fibre composites: Tailoring nanoscale-coating for macroscale performancecitations
- 2017Automated high-throughput microbond tester for interfacial shear strength studies
- 2017Characterization of the Ageing of Glass Fibre-Reinforced Polymers ; Lasikuitulujitteisten polymeerimateriaalien vanhenemisen karakterisointi
- 2017The Ageing of Glass Fibres Used in Polymeric Composites
Places of action
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article
The role of hard and soft segments in the thermal and mechanical properties of non-isocyanate polyurethanes produced via polycondensation reaction
Abstract
<p>Plenty of research is being conducted on non-isocyanate polyurethanes (NIPUs) to replace harmful diisocyanates in traditional polyurethanes (PUs). In this research, the role of different types of hard and soft segments was investigated in the production of NIPUs via the polycondensation route. Hard segments comprised ethylene carbonate or propylene carbonate with hexane-1,6-diamine, while the soft segments consisted of polyethylene glycol (1000 g/mol or 400 g/mol) or polypropylene glycol (1000 g/mol) and were polymerized in different molar ratios. The NIPUs were characterized for their thermal and mechanical properties. FTIR and solvent resistance to tetrahydrofuran (THF) was used to evaluate the polycondensation reaction. Thermal analysis revealed mainly mixed hard and soft segments; the selection of the hard segment had an impact on the crystallinity of the mixed phase. Promising cohesive strength results as well as lap shear strengths were found on stainless steel and beech when the right selection of components was used. The best results were achieved when propylene carbonate was used as the hard segment, and polypropylene glycol (1000 g/mol) as the soft segment precursor in 1:30 M ratio.</p>