Thesis etd-06202023-133910 |
Link copiato negli appunti
Thesis type
Tesi di laurea magistrale
Author
MAFFEI, LUCA
URN
etd-06202023-133910
Thesis title
Preparation and Characterization of New Eutectic Solvents (DES) and Their Application in Ester Hydrolysis
Department
CHIMICA E CHIMICA INDUSTRIALE
Course of study
CHIMICA
Supervisors
relatore Prof. Ciancaleoni, Gianluca
Keywords
- Arrhenius-Eyring
- deep eutectic solvent
- depolymerization
- DES
- diffusion
- diffusion coefficient
- diffusion ordered spectroscopy
- DOSY
- ester
- hydrolysis
- initial rates method
- kinetics
- kinetics study
- model system
- NMR
- nuclear magnetic resonance
- PET
- polyethylene terephthalate
- Stokes-Einstein
- viscosity
Graduation session start date
17/07/2023
Availability
None
Summary
Deep Eutectic Solvents (DESs) attracted considerable attention from research and industry, due to properties such as high boiling point, cheap and simple preparation procedure, and tunability, which among other things, allows them to actively take part to the reactions, when they are used as media. In particular, DESs composed by a Lewis acid and a Brønsted acid have been shown capable of promoting the hydrolysis of polyethylene terephthalate (PET) at significantly milder conditions than traditional media. Their chemical and physical properties, however, are still largely unknown. Among the reasons for this are the difficulties associated with studying the structure of liquid species. A series of diamagnetic Lewis:Brønsted acidic DESs were thus prepared to test a novel technique to determine the structure of liquids via Nuclear Magnetic Resonance (NMR) spectroscopy and to gather information about PET hydrolysis by studying a model reaction.
File
Nome file | Dimensione |
---|---|
Thesis not available for consultation. |