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Univ. Paris-Saclay

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UPNYL : From polyamide waste to new innovative materials

Contact: Kobylarski Marie, , marie.kobylarski@cea.fr, 06 58 51 07 47
R&D Internship on an innovative chemical route for recycling polyamide waste
Possibility of continuation in PhD: Non
Deadline for application:29/02/2024

Full description:
Polyamides, in particular nylon 6 and nylon 6/6, are widely used as fibers or engineering plastics in various application sectors (textile, automotive, construction, etc.). Despite the development of reuse methods to extend the lifespan of products, the intensive use of these polyamides (8.9 million tons produced worldwide in 2022) inevitably leads to an accumulation of waste. At present, most of this waste is either landfilled (31%) or incinerated (44%). Both landfill and incineration are not long-term sustainable solutions, leading to a waste of materials, an economic loss and numerous pollutants. The development of more environmentally-friendly mechanical and/or chemical recycling processes is absolutely essential.

Unlike the few current recycling processes for these plastics, the innovative UPNYL catalytic process developed in the laboratory chemically transforms polyamides into new high value-added materials. This method opens access to innovative compounds while tackling the polyamide waste management issue.

The Master's project aims at optimizing the UPNYL chemical upcycling process and validating its robustness on various samples of "real" polyamide waste. The results obtained are key to scaling up this laboratory technology and having a precise vision of the positioning of the future start-up.
Technics/methods used during the internship:
During this internship, you will develop your skills in homogeneous catalysis, organic and organometallic synthesis, working in inert atmosphere (argon vacuum lines, gloveboxes), as well as in analyzing chemical compounds (NMR, GC-MS, IR, X-rays).

Tutor of the internship


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