April 26, 2023
Overview
Helal, Emna

Research unit
Research axes
- Sustainable Development, Circular Economy and Environmental Issues
- Innovative materials and advanced manufacturing
Research areas
- Polymer based Nanocomposites
- Multifunctional materials
- Graphene and 2D materials
- Polymer recycling
Supervision
- En codirection avec : Nicole R. Demarquette
Valorization of Mixed Polyolefin Waste Stream through the Addition of Few-Layer Graphene, par S M Nourin Sultana
Été 2024 - 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 2025 - 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 : Nicole R. Demarquette
Developing a Novel Conductive Polymer Composite for Energy Storage and Energy Harvesting in Aerospace Applications, par Fatemeh Khosravi
Automne 2025
- Nanocomposites thermoplastiques durables à base de polycétones aliphatiques enrichis de nanoplaquettes de graphène, par Omayma Belgacem
Automne 2025
- En codirection avec : Mariia Zhuldybina
La carte STM occasionnelle : cycle de vie, par Noureddine Sabeg
Automne 2023
Publications
- 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. 2024 « Recyclability of carbon nanomaterials-based conductive polymer composites ». In Reference module in materials science and materials engineering. Elsevier