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Portail > Offres > Offre UMR5629-SEVSAI-012 - H/F Post-doctorant.e « Polymères sans pétrole et dégradables par polymérisation catalytique à partir d'hélices chirales supramoléculaires »

M/F Post-doctoral fellow “Oil-free and degradable polymers by catalytic polymerization from supramolecular chiral helices”

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : mercredi 15 février 2023

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General information

Reference : UMR5629-SEVSAI-012
Nombre de Postes : 1
Workplace : PESSAC
Date of publication : Wednesday, January 25, 2023
Type of Contract : FTC Scientist
Contract Period : 18 months
Expected date of employment : 1 March 2023
Proportion of work : Full time
Remuneration : Between 2805€ et 3963€
Desired level of education : PhD
Experience required : 1 to 4 years

Missions

Economic constraints and societal issues require a rational design and alternative synthesis methods for polymer materials, in particular to meet the needs of a more virtuous management of their end-of-life, while ensuring appropriate performance in the targeted application. This ambitious project aims at a new strategy to meet this challenge and thus reduce the environmental footprint of polymeric plastics. The aim is to use chiral helices formed by supramolecular chemistry to catalyze the ring-opening polymerization reactions of lactide, a bio-sourced monomer of non-fossil origin. It is expected that these helical catalysts can induce a stereochemical control of the polymerization process, i.e. by generating stereocontrolled sequences from lactide in its racemic version. The objective is to design bio-sourced polymers, easily degradable and with tunable thermo-mechanical properties. Particular attention will be paid to the rationalization of the structural effects of the catalysts on their performance in catalytic polymerization, as well as on their mode of action.

Activities

Synthesis and purification of polymers
Kinetic study of polymerization reactions
Analysis and evaluation of the physico-chemical properties of the synthesized polymers
Writing of reports and articles

Skills

Aptitude in molecular chemistry and macromolecular synthesis.
Knowledge of mass and solution polymerization techniques.
Knowledge of polymer characterization techniques (SEC, DSC, NMR, etc.).

Work Context

The Laboratory of Organic Polymer Chemistry (LCPO) is a joint research unit attached to the CNRS, the University of Bordeaux and the Bordeaux Polytechnic Institute (http://www.lcpo.fr). The LCPO is composed of 4 research teams and includes about 150 people, including about 50 permanent staff.

With more than 30 years of experience in polymer chemistry, the LCPO's research aims at :
- developing innovative methodologies for the precision synthesis of polymers, using biomimetic and/or green chemistry approaches
- developing functional polymeric materials by macromolecular engineering and self-assembly, particularly in the fields of renewable materials, health and energy
- establishing permanent links with the socio-economic world.

The recruited candidate will be under the supervision of Daniel Taton within the LCPO team 1. He/she will work in the framework of the ANR AdeCat project coordinated by Dr. Matthieu Raynal of the IPCM laboratory in Sorbonne University (Paris).

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