November 05, 2025
Overview
Helal, Emna
Overview
Research unit
Research Areas
- Sustainable Development, Circular Economy and Environmental Issues
- Innovative materials and advanced manufacturing
Expertise
- Polymer based Nanocomposites
- Multifunctional materials
- Graphene and 2D materials
- Polymer recycling
Courses and supervision
Supervision
- En codirection avec : Nicole R. Demarquette
Sustainable Multilayer Packaging Reinforced with Graphene, par Abdullahi Bawa Abdullahi
Automne 2026 - En codirection avec : Nicole R. Demarquette
Investigate the Impact of Rheological Properties on Polyolefin Blends in Extrusion-based Additive Manufacturing to Enhance the Mechanical Performance of Printed Products, par Mohammadhossein Rezaei
Automne 2026 - En codirection avec : Nicole R. Demarquette
UV-C Photodegradation and Stabilization of Polymers Used in the Medical-Hospital Industry, par Jessica Caroline Ferreira Gimenez
Automne 2025 - En codirection avec : Éric David
Developing a Novel Conductive Polymer Composite for Energy Storage and Energy Harvesting in Aerospace Applications, par Fatemeh Khosravi
Automne 2026 - En codirection avec : Nicole R. Demarquette
Design of a Recyclable Strain Sensor Using Additive Manufacturing for High-Impact application, par Montassar El Bouali
Automne 2026
- Nanocomposites de polycétone aliphatique renforcés au graphène : vers une alternative durable aux polyamides, par Omayma Belgacem
Été 2026
- En codirection avec : Mariia Zhuldybina
La carte STM occasionnelle : cycle de vie, par Noureddine Sabeg
Automne 2023
Publications
Publications
- Manon Favre, Simon Dagois-Bohy, Sophie Miralles, Valery Botton, Emna Helal, Éric David, Nicole R. Demarquette. 2026 « Visualization of sonication in high-viscosity polymer melts ». Ultrasonics vol. 167
- Samira Karimi, Emna Helal, Gabriel Matheus Pinto, Giovanna Gutierrez, Nima Moghimian, Tatiana Parra Vello, Guilhermino José Macêdo Fechine, Eric David, Nicole Demarquette. 2026 « Effect of few-layer graphene (FLG) and relative photodegradation depth on the ductile to fragile transition of high-density polyethylene ». Journal of Applied Polymer Science vol. 143 , nº 7
- Md Sazzadur Rahman, Emna Helal, Nicole R. Demarquette. 2026 « Recent advances in metal-organic framework-integrated nanocomposite hydrogels for sensors and sensing systems ». SmartMat vol. 7 , nº 1
- Jessica C. Ferreira Gimenez, Robert Paiva, Sophia H. F. Bonatti, Lucas H. Staffa, Edenir Rodrigues Pereira, Emna Helal, Nicole R. Demarquette, Manoel G. P. Homem, Sandra A. Cruz. 2025 « Mitigating UV-C degradation in polypropylene using hybrid TiO2/few-layer graphene/photostabilizer systems ». ACS Omega vol. 10 , nº 44. p. 53467-53478
- Jessica Caroline Ferreira Gimenez, Sophia Helena Felisbino Bonatti, Marcos Vinicius Basaglia, Rodrigue Henrique dos Santos Garcia, Alef dos Santos, Lucas Henrique Staffa, Mazen Samara, Silvia Helena Prado Bettini, Eduardo Ribeiro de Azevedo, Emna Helal, Nicole Raymonde Demarquette, Manoel Gustavo Petrucelli Homem, Sandra Andrea Cruz. 2025 « 1H time domain nuclear magnetic resonance and oscillatory rheology as a tool for uncovering the impact of UV-C radiation on polypropylene ». Polymers vol. 17 , nº 20
- Gabriel M. Pinto, Emna Helal, Hélio Ribeiro, Eric David, Nicole R. Demarquette, Guilhermino J. M. Fechine. 2025 « Effect of environmental temperature and semi-crystalline order on the toughening of polyamide 1010 by 2D nanomaterials ». Polymer Composites vol. 46 , nº 1. p. 715-734
- Gabriel M. Pinto, Lucas Staffa, Emna Helal, Carolina Hahn, Lucia Vieira, Hélio Ribeiro, Eric David, Nicole R. Demarquette, Guilhermino J. M. Fechine. 2025 « Balancing thermal conductivity, dielectric, and tribological properties in polyamide 1010 with 2D nanomaterials ». Journal of Applied Polymer Science vol. 142 , nº 1
- Daria Strugova, Hind Essadouky, Emna Helal, Giovanna Gutierrez, Nima Moghimian, Éric David, Nicole R. Demarquette. 2024 « Evolution of morphology and electrical properties under controlled flow in polypropylene/polystyrene co-continuous blends containing interfacially localized carbonaceous nanoparticles ». Physics of Fluids vol. 36 , nº 11
- S. M. Nourin Sultana, Emna Helal, Giovanna Gutiérrez, Eric David, Nima Moghimian, Nicole R. Demarquette. 2024 « The influence of a commercial few-layer graphene on the photodegradation resistance of a waste polyolefins stream and prime polyolefin blends ». Recycling vol. 9 , nº 2
- Julie Genoyer, Emna Helal, Giovanna Gutierrez, Nima Moghimian, Eric David, Nicole R. Demarquette. 2023 « Graphene and nanoclay as processing aid agents: A study on rheological behavior in polystyrene ». C-Journal of Carbon Research vol. 9 , nº 4
- Samira Karimi, Emna Helal, Giovanna Gutierrez, Nima Moghimian, Eric David, Mazen Samara, Nicole Demarquette. 2023 « Photo-stabilization mechanisms of High-Density Polyethylene (HDPE) by a commercial few-layer graphene ». Polymer Engineering and Science vol. 63 , nº 11. p. 3879-3890
- Gabriel M. Pinto, Aelton B. Santos, Emna Helal, Hélio Ribeiro, Eric David, Cristiano F. Woellner, Nicole R. Demarquette, Guilhermino J. M. Fechine. 2023 « Exploring the relationship between interfacial adhesion, molecular dynamics, and the brill transition in fully bio-based polyamide 1010 nanocomposites reinforced by two-dimensional materials ». Polymer vol. 289
- S. M. N. Sultana, Emna Helal, Giovanna Gutierrez, Eric David, Nima Moghimian, Nicole R. Demarquette. 2023 « Effect of few-layer graphene on the properties of mixed polyolefin waste stream ». Crystals vol. 13 , nº 2
- Emna Helal, Nicole R. Demarquette. 2026 « Recyclability of carbon nanomaterials-based conductive polymer composites ». In Comprehensive Polymer Science. p. 422-447. Elsevier
- Emna Helal, Omayma Belgacem. 2025 « Enhancing the recyclability and thermal properties of a novel low-carbon engineering polymer, aliphatic polyketone, through graphene and glass fiber incorporation ». Communication lors de la conférence : CSME-CFDSC-CSR 2025 International Congress (Montreal, QC, Canada, May 25-28, 2025)
- Gabriel Matheus Pinto, Seyed-Ali Delbari, Julien Dravigné, Stéphane Bedwani, Emna Helal, Nicole Demarquette, Lucas Hof. 2025 « Evaluating the rheological behavior of irradiated 3D-printed PLA parts for medical applications ». Communication lors de la conférence : CSME-CFDSC-CSR 2025 International Congress (Montreal, QC, Canada, May 25-28, 2025)
- Mohammadhossein Rezaei, Emna Helal, Nicole R. Demarquette. 2025 « Optimizing nozzle geometry for extrusion-based additive manufacturing to accommodate various grades of polyethylene ». Communication lors de la conférence : CSME-CFDSC-CSR 2025 International Congress (Montreal, QC, Canada, May 25-28, 2025)
News
News
April 26, 2023