Synthesis of block-brush terpolymer via one-step RAFT-ROP and grafting to "click" chemistry methods
Year: 2025
Type: article
Abstract: In this contribution, well-known poly(ԑ-caprolactone-b-4-vinylbenzyl-g-ethyleneglycol) [poly(ԑ-CL-b-VB-g-EG)] block-graft terpolymer was prepared via reversible addition/fragmentation chain transfer (RAFT), ring-opening polymerization (ROP) and “click” chemistry methods. For this purpose; in the first part, a RAFT-ROP agent was obtained by the reaction of 3-chloro-1-propanol and ethylxanthic acid potassium. In the second part, poly(ԑ-caprolactone-b-4-vinyl benzyl chloride) [poly(ԑ-CL-b-VBC)] block copolymer was prepared by RAFT polymerization of 4-vinyl benzyl chloride, and ROP of ԑ-caprolactone using synthesized a RAFT-ROP agent in the one-step. In the third part, poly(ԑ-caprolactone-b-4-vinyl benzyl chloride-N3) [poly(ԑ-CL-b-VB-N3)] was obtained by reaction of the poly(ԑ-CL-b-VBC) block copolymer and NaN3. On the other hand, alkyne-terminated PEG (PEG-propargyl) was acquired via the reaction of polyethylene glycol (PEG-3000) with propargyl chloride. Finally, poly(ԑ-CL-b-VB-g-EG) block-graft terpolymer was prepared from the reaction PEG-propargyl and poly(ԑ-CL-b-VB-N3) via the grafting to "click" chemistry method. The structure of the final products was characterized by instruments such as GPC, 1H-NMR, FT-IR, TGA, DSC and SEM.
Source: Polymer Bulletin
Authors: Melahat Göktaş, Cengiz Aykaç
Institution: Van Yüzüncü Yıl Üniversitesi
Language: English
Subfield: Organic Chemistry
Field: Chemistry
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $3,790
OpenAlex ID: W4408217732