Postdoctoral Position Molecular, Macromolecular Chemistry and Materials Laboratory ESPCI Paris — Offre pourvue

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Offre pourvue

Synthesis and Characterization of Blends of Polyolefin Vitrimers

The Molecular, Macromolecular Chemistry and Materials (C3M) laboratory and Total are pleased to announce a postdoctoral position in polymer science. The project will focus on synthesizing crosslinked, yet processable, blends of polyethylene and polypropylene by reactive processing. A special attention will be placed on the grafting chemistry and the transformation process in order to develop materials and processes compatible with an industrial up-scaling. The chemical, physico-chemical and mechanical properties of the vitrimers will be characterized in details as well as their flow properties. The recyclability of the vitrimers will also be evaluated. The project will be conducted in very close collaboration with the industrial partner, TOTAL, in order to assess the systems developed from an industrial perspective, as well as to perform application oriented characterizations and tests.

Laboratory Description :
ESPCI Paris is a major institution of higher education (a French "Grande Écoled’ingénieurs"), an internationally renowned research center (17 laboratories), and a fertile ground of innovation for industry. Teaching and research are done in the fields of physics, chemistry and biology.
The Molecular, Macromolecular Chemistry and Materials laboratory mainly focuses on the design, synthesis and study of polymeric and supramolecular materials. The laboratory is known for conducting fundamental research inspired by or oriented towards industrial applications.

Knowledge and skills :
Applicants should have a very strong background in polymer science at large, and in particular a solid experience in polymer chemical modification and/or in polymer physicochemical and mechanical characterization. An interest on all these aspects of polymer science as well as in experimental work are required. Good skills for collaborative work are also sought.

Key words :
Vitrimers, reactive processing, polymerchemical and thermo-mechanical characterization, flow properties, experimental work.

References :
1 -Van Zee, N. J. ; Nicolaÿ, R.Prog. Polym. Sci.2020, 104, 101233 ;DOI : 10.1016/j.progpolymsci.2020.101233
2 - Röttger, M. ; Domenech, T. ; van der Weegen, R. ; Breuillac, A. ; Nicolaÿ, R. ; Leibler, L. Science2017, 356, 62 ; DOI : 10.1126/science.aah5281
3 - Caffy, F. ; Nicolaÿ, R. Polym. Chem., 2019, 10, 3107 ; DOI : 10.1039/C9PY00253G
4 - Breuillac, A. ;Kassalias, A. ; Nicolaÿ, R. Macromolecules, 2019, 52, 7102 ; DOI : 10.1021/acs.macromol.9b01288
5 - Maaz, M. ; Riba-Bremerch, A. ; Guibert, C. ; Van Zee, N. J. ; Nicolay, R.Macromolecules2021, 54, 2213 ; DOI : 10.1021/acs.macromol.0c02649

Recruitment terms :
Principal Investigators : Pr. Renaud Nicolaÿand Dr. Nathan Van Zee
Co-Investigator : Dr. Martine Slawinski
Starting date : ASAP (June or July 2021)
Duration : 18Months
Location : C3M, ESPCI Paris, France
Salary : The salary will be adjusted to candidates’ background and expertise
Potential candidates are asked to submit their CV and provide contact information for two to threereferences.

Contacts :
Renaud Nicolaÿ ( and Nathan Van Zee (

Chimie Moléculaire, Macromoléculaire, Matériaux
10, rue Vauquelin | 75231 Paris Cedex 05 | France

10 Rue Vauquelin, 75005 Paris