693.932 PEOPLE
| 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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Cavallo, Dario
European Commission
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (44/44 displayed)
- 2024Polypropylene for material extrusion: Evidence that flow-enhanced crystallization restricts weldingcitations
- 2024Polypropylene for material extrusion:Evidence that flow-enhanced crystallization restricts weldingcitations
- 2023Understanding polymer nucleation by studying droplets crystallization in immiscible polymer blendscitations
- 2023Understanding polymer nucleation by studying droplets crystallization in immiscible polymer blendscitations
- 2023Cu3As: Uncommon Crystallographic Features, Low-Temperature Phase Transitions, Thermodynamic and Physical Properties
- 2023Disappearance of Melt Memory Effect with Comonomer Incorporation in Isodimorphic Random Copolyesterscitations
- 2023Disappearance of Melt Memory Effect with Comonomer Incorporation in Isodimorphic Random Copolyesterscitations
- 2023Disappearance of Melt Memory Effect with Comonomer Incorporation in Isodimorphic Random Copolyesterscitations
- 2023Surface-enhanced nucleation in immiscible polypropylene and polyethylene blends: The effect of polyethylene chain regularitycitations
- 2023Shear-Induced Structure Formation in MAH-g-PP Compatibilized Polypropylenescitations
- 2022On novel hydrogels based on poly(2-hydroxyethyl acrylate) and polycaprolactone with improved mechanical properties prepared by frontal polymerizationcitations
- 2022Surface Nucleation of Dispersed Droplets in Double Semicrystalline Immiscible Blends with Different Matricescitations
- 2022Crystallization kinetics of melt-mixed 3D hierarchical graphene/ polypropylene nanocomposites at processing-relevant cooling ratescitations
- 2022Crystallization kinetics of melt-mixed 3D hierarchical graphene/ polypropylene nanocomposites at processing-relevant cooling ratescitations
- 2022Temperature modulated DSC for composition analysis of recycled polyolefin blendscitations
- 2022Recent Applications of the Successive Self-nucleation and Annealing (SSA) Thermal Fractionation Technique ; Recent applications of the Successive Self-nucleation and Annealing thermal fractionation techniquecitations
- 2022Effect of compatibilizer addition on the surface nucleation of dispersed polyethylene droplets in a self-nucleated polypropylene matrixcitations
- 2022The Role of Molar Mass in Achieving Isotropy and Inter-Layer Strength in Mat-Ex Printed Polylactic Acidcitations
- 2021Continuous Cooling Curve Diagrams of Isotactic-Polypropylene/Polyethylene Blends: Mutual Nucleating Effects under Fast Cooling Conditionscitations
- 2020Self‐organization of micro reinforcements and the rules of crystal formation in polypropylene nucleated by non‐selective nucleating agents with dual nucleating abilitycitations
- 2020Melt Memory Effects in Poly(butylene succinate) Studied by Differential Fast Scanning Calorimetrycitations
- 2020Melt Memory Effects in Poly(butylene succinate) Studied by Differential Fast Scanning Calorimetrycitations
- 2020Effect of the crystallization conditions on the exclusion/inclusion balance in biodegradable poly(butylene succinate-ran-butylene adipate) copolymerscitations
- 2020Polymorphism and Multiple Melting Behavior of Bio-Based Poly(propylene 2,5-furandicarboxylate)citations
- 2020Residual alignment and its effect on weld strength in material-extrusion 3D-printing of polylactic acidcitations
- 2020Polarization modulated infrared spectroscopy:A pragmatic tool for polymer science and engineeringcitations
- 2020Polarization modulated infrared spectroscopycitations
- 2020Nucleation of poly(lactide) partially wet droplets in ternary blends with poly(butylene succinate) and poly(ε-caprolactone) ; Nucleation of Poly(lactide) Partially Wet Droplets in Ternary Blends with Poly(butylene succinate) and Poly(ε-caprolactone)citations
- 2019Crystallization and self-nucleation of PLA, PBS and PCL in their immiscible binary and ternary blendscitations
- 2018Crystallization of isodimorphic aliphatic random copolyesters: Pseudo-eutectic behavior and double-crystalline materialscitations
- 2018Cold-crystallization of poly(butylene 2,6-naphthalate) following Ostwald's rule of stagescitations
- 2018Crystallization of isodimorphic aliphatic random copolyesters: pseudo-eutectic behavior and double-crystalline materialscitations
- 2017Tailoring the structure, morphology, and crystallization of isodimorphic poly(butylene succinate-ran-butylene adipate) random copolymers by changing composition and thermal historycitations
- 2017Thermorheologically complex self-seeded melts of propylene-ethylene copolymerscitations
- 2017Deformation and failure kinetics of iPP polymorphscitations
- 2015Co-extruded multilayer polymer films for photonic applicationscitations
- 2014Kinetics of the polymorphic transition in isotactic poly(1-butene) under uniaxial extension. New insights from designed mechanical historiescitations
- 2012Effect of comonomer partitioning on the kinetics of mesophase formation in random copolymers of propene and higher alpha-olefins Polymercitations
- 2012Random and block copolymers based on 4-methyl-1-pentene and 1-pentenecitations
- 2012Rate-, temperature-, and structure-dependent yield kinetics of isotactic polypropylenecitations
- 2012Structure formation of random isotactic copolymers of propylene and 1-hexene or 1-octene at rapid coolingcitations
- 2010Continuous Cooling Curves Diagrams of Propene/Ethylene Random Copolymers. The Role of Ethylene Counits in Mesophase Developmentcitations
- 2010Real-time WAXD detection of mesophase development during quenching of propene/ethylene copolymerscitations
- 2008In situ Rheo-SALS experiments on LDPE nanocomposites: A preliminary study
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article
The Role of Molar Mass in Achieving Isotropy and Inter-Layer Strength in Mat-Ex Printed Polylactic Acid
Abstract
There has been extensive research in the field of material-extrusion (Mat-Ex) 3D printing to improve the inter-layer bonding process. Much research focusses on how various printing conditions may be detrimental to weld strength; many different feedstocks have been investigated along with various additives to improve strength. Surprisingly, there has been little attention directed toward how fundamental molecular properties of the feedstock, in particular the average molar mass of the polymer, may contribute to microstructure of the weld. Here we showed that weld strength increases with decreasing average molar mass, contrary to common observations in specimens processed in more traditional ways, e.g., by compression molding. Using a combination of synchrotron infra-red polarisation modulation microspectroscopy measurements and continuum modelling, we demonstrated how residual molecular anisotropy in the weld region leads to poor strength and how it can be eradicated by decreasing the relaxation time of the polymer. This is achieved more effectively by reducing the molar mass than by the usual approach of attempting to govern the temperature in this hard to control non-isothermal process. Thus, we propose that molar mass of the polymer feedstock should be considered as a key control parameter for achieving high weld strength in Mat-Ex.