Synthesis of Linear and Star Copolymers with High Flory-Huggins χ Interaction Parameter

Doctoral Dissertation uoadl:2898491 43 Read counter

Unit:
Κατεύθυνση Επιστήμη Πολυμερών και Εφαρμογές της
Library of the School of Science
Deposit date:
2020-02-29
Year:
2020
Author:
Stathouraki Maria-Malvina
Dissertation committee:
Σακελλαρίου Γεώργιος, Αναπληρωτής Καθηγητής, Τμήμα Χημείας, ΕΚΠΑ
Πιτσικάλης Μαρίνος, Καθηγητής, Τμήμα Χημείας, ΕΚΠΑ
Αυγερόπουλος Απόστολος, Καθηγητής, Τμήμα Μηχανικών Επιστήμης Υλικών, Πανεπιστήμιο Ιωαννίνων
Ιατρού Ερμόλαος, Καθηγητής, Τμήμα Χημείας, ΕΚΠΑ
Μαυρομούστακος Θωμάς, Καθηγητής, Τμήμα Χημείας, ΕΚΠΑ
Παπαευσταθίου Ιωάννης, Αναπληρωτής Καθηγητής, Τμήμα Χημείας, ΕΚΠΑ
Βουγιουκαλάκης Γεώργιος, Επίκουρος Καθηγητής, Τμήμα Χημείας, ΕΚΠΑ
Original Title:
Σύνθεση Γραμμικών και Αστεροειδών Πολυμερών Αποτελούμενα από Συστάδες με Υψηλή Παράμετρο Αλληλεπίδρασης Flory-Huggins χ
Languages:
Greek
Translated title:
Synthesis of Linear and Star Copolymers with High Flory-Huggins χ Interaction Parameter
Summary:
Linear block copolymers were synthesized (P2VP-b-PLLA, PLLA-b-P2VP-b-PLLA, PLLA-b-PDMS-b-PLLA) with different Μw and compositions, as well as star copolymers ((PS)2(PGMA), (PS)3(PGMA)), in order to create nanodomains with different morphologies and dimensions and to study the effect of the macromolecular architecture at the microphase separation. These polymers are termed as “high χ” polymers. Due to high incompatibility, low molar mass polymers allow for the formation of very small sizes structures in microphase-separation, constituting useful materials in the microelectronics industry. The synthesis of the polymers was carried out by anionic polymerization and Ring Opening Polymerization (ROP). Size exclusion chromatography (SEC) and Proton Nuclear Magnetic Resonance (1H-NMR) were used for the molecular characterization of these polymers, while the microdomain morphologies were determined by Small-Angle X-ray Scattering (SAXS).
Main subject category:
Science
Keywords:
anionic polymerization, ring opening polymerization, star copolymers, high-χ parameter, Flory-Huggins, microphase separation, self-assembly
Index:
Yes
Number of index pages:
13
Contains images:
Yes
Number of references:
193
Number of pages:
250

ΔΙΔΑΚΤΟΡΙΚΗ ΔΙΑΤΡΙΒΗ ΤΕΛΙΚΟ.pdf
7 MB
File access is restricted until 2023-03-03.