| 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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De Vries, Erik
University of Twente
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Direct observation of the fracture behavior of the polyether ketone ketone (PEKK) spherulitescitations
- 2024The modified boundary layer mechanism for the release between polyimide film and poly(ether ketone ketone) thermoplasticscitations
- 2023Tribological behaviour of a synthetic synovial fluid and polyurethane in biomedical implantscitations
- 2023Microbubble on fiber method to determine the contact angle between steel substrates and highly viscous molten PEKK and PA 6citations
- 2021Influence of the Polymer Interphase Structure on the Interaction between Metal and Semicrystalline Thermoplasticscitations
- 2021Formation of Flat-on Lamellar Crystals in Absence of Nanoconfinementcitations
- 2019Fabricating Laser-Induced Periodic Surface Structures on Medical Grade Cobalt–Chrome–Molybdenumcitations
Places of action
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article
Formation of Flat-on Lamellar Crystals in Absence of Nanoconfinement
Abstract
Flat-on lamellar crystals are crucial for gas-barrier polymer films. The formation of this lamellar crystalline structure with chains perpendicular to the substrate is currently understood as the result of confined crystallization, e.g., in block copolymers and ultrathin polymer films. In this paper, it is demonstrated that these flat-on lamellar crystals of various thermoplastic polymers may form on stainless steel and silicon wafer surfaces without the presence of confined crystallization. Atomic force microscopy, high-resolution scanning electron microscopy, and polarized light hot-stage microscopy are used to characterize the formation of the lamellar crystals. Further results show that the surface physicochemical properties of the substrates strongly influence the formation of these lamellar crystals. A hypothesis, based on the heterogeneous crystallization theory, is proposed to explain the formation of such flat-on lamellar crystals. These results are crucial for a fundamental understanding of the formation of lamellar crystals and may provide a new approach to fabricate such structures.