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  2. All Volumes and Issues
  3. Volume 14, Number 4, 2020
  4. Direct Synthesis and Characterization of Photo-Crosslinkable Biodegradable PLA-PEG-PLA Ttiblock Copolymer with Methacrylates Functions by Green Montmorillonite Clay Catalyst

Direct Synthesis and Characterization of Photo-Crosslinkable Biodegradable PLA-PEG-PLA Ttiblock Copolymer with Methacrylates Functions by Green Montmorillonite Clay Catalyst

JCCT.
2020;
Volume 14, Number 4
: pp. 474 - 480
https://doi.org/10.23939/chcht14.04.474
Authors:
  1. Mohamed Benachour
  2. Aslya El-Kebir
  3. Amine Harrane
  4. Rachid Meghabar
  5. Mohammed Belbachir
1
Laboratoire de Chimie des Polymères, Département de Chimie, FSEA, University of Oran 1 Ahmed Benbella
2
Laboratoire de Chimie des Polymères, Département de Chimie, FSEA, University of Oran 1 Ahmed Benbella
3
Oran1 University Ahmed Benbella, Department of Chemistry, FSEI University of Abdelhamid Ibn Badis – Mostaganem, Algeria
4
Laboratoire de Chimie des Polymères, Département de Chimie, FSEA, University of Oran 1 Ahmed Benbella
5
Oran1 University Ahmed Benbella

Di-methacrylated PLA-PEG-PLA triblock copolymers of polylactide and polyethylene glycol were synthesized in one-step process by bulk cationic polymerization of lactide in the presence of PEG with different average molecular weights, using Maghnite-H+, an acidic montmorillonite clay, as a solid non-toxic catalyst. The obtained di-methacrylated copolymer was analyzed by 1H NMR and DSC. The effect of Maghnite-H+ proportions and PEG average molecular weight on the copolymerization and methacrylation yields and on average molecular weight of the resulting copolymers was studied.

ringopening
polymerization
block copolymers
cationic polymerization
methacrylate copolymers
montmorillonite
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