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Thèses à l’IMP

- Thèse dans le cadre du Projet Européen IREL 4.0 “Intelligent Reliability 4.0” (PDF)
Contexte :
L’université Claude Bernard Lyon 1 est partenaire du projet IREL 4.0, qui a démarré début Mai 2020, et qui regroupe plus de 70 partenaires industriels et laboratoires européens des domaines du Génie Electrique et de l’Electronique, autour de l’évaluation et de l’optimisation de la fiabilité des composants et systèmes.
Projet de recherche :
Dans ce contexte, le laboratoire IMP est associé au laboratoire LMI pour mener des travaux complémentaires dans le domaine de l’intégration des matériaux polymères, d’une part, et aussi des inorganiques ( métaux, semiconducteurs, céramiques ).
Profil souhaité :
Ingénieur ou master avec de fortes compétences en physico-chimie (plus nettement marquées en physique) des polymères et propriétés diélectriques des matériaux.
Adresser CV et lettre de motivation à :
Dr. Anatoli SERGHEI anatoli.serghei@univ-lyon1.fr

PhD thesis (M / F) : The use of CO2 as a reagent in the functionalization of polymers by reactive extrusion
To apply : use the following URL : https://bit.ly/2Yjc4C6

General information
Reference : UMR5223-YVACHA-001
Workplace : ST ETIENNE
Date of publication : Tuesday, April 28, 2020
Scientific Responsible name : Y. Chalamet (Pr IMP)
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 September 2020
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly
Description of the thesis topic
General context
The major socio-economic stakes of the plastics industry are to move from a linear economic model, which leads to the depletion of resources, to a circular economic model. To succeed in this challenge, the main areas of development proposed are based on the recycling of plastics. To meet these challenges of recyclability and limiting the environmental footprint of the material and process, the objective of the DICARBOREX project is to propose the development of polymer materials by reactive extrusion with modular functionalities by implementing a « sustainable » chemistry based on the use of CO2 as a carbon source.
Project description :
The core of the study will be to introduce chemical functions of interest on industrial polymers (polyolefins) to modify their physico-chemical characteristics such as their polarity, crystallinity, reactivity without limiting their recyclability. The challenge of the project will be to make possible the chemical modification of polyolefins in a one-step reactive extrusion by processing the reactive system under high pressure.

The locks to be lifted will be :
• To determine the experimental conditions and in particular the nature of the catalyst to recover reactive CO2 in order to chemically modify systems based on polyolefins. This stage will be developed mainly in the C2P2 laboratory (UMR CNRS 5265 - Villeurbanne)
• To transpose a reaction carried out in a batch to a continuous process of extrusion, it will be necessary to achieve a reaction time compatible with the residence time in extruder. This step will be developed jointly in the IMP laboratory (UMR CNRS 5223) and the C2P2 laboratory (UMR CNRS 5265)
• To define the conditions of the extrusion process to maintain the pressure and temperature conditions necessary to reach a supercritical state of CO2 and to reach the optimal conditions for carrying out the reaction. This step will be developed mainly in the IMP laboratory (UMR CNRS 5223)

Candidate profile :
A chemist profile with a master’s degree in polymer chemistry is required. Materials science skills are desired.
The candidate must demonstrate good relationship skills and be able to work in a broad multidisciplinary field.

Work Context
This project will take place between the IMP laboratories (universities of Lyon and Saint-Etienne) and C2P2 (univesrsity of Lyon) under the supervision of V. Dufaud (DR CNRS C2P2), V. Bounor-Legaré (DR CNRS IMP) and Y. Chalamet (Pr university IMP).The start of the 3-year thesis is scheduled for September 2020

Additional Information
The DICARBOREX project is funded by the Carnot Institute (Ingenierie@Lyon)