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Anionic Polymerization of an Amphiphilic Copolymer for Preparation of Block Copolymer Micelles Stabilized by π-π Stacking Interactions
Published on: October 10, 2016
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Block Copolymers by Mechanistic Transformation from PROAD to Iniferter Process
Mustafa Ciftci1,2, Yusuf Yagci1,3
1Department of Chemistry, Faculty of Science and Letters, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey.
Macromolecular Rapid Communications
|August 10, 2018
Summary
This study introduces a novel method for creating block copolymers by combining photoinduced radical oxidation/addition/deactivation (PROAD) and iniferter polymerization techniques. This facile strategy yields well-defined block copolymers without homopolymer contamination.
Area of Science:
- Polymer Chemistry
- Materials Science
Background:
- Living polymerization techniques are crucial for synthesizing well-defined polymers.
- Combining different polymerization methods can lead to novel polymer architectures.
Purpose of the Study:
- To develop a facile strategy for synthesizing block copolymers.
- To combine photoinduced radical oxidation/addition/deactivation (PROAD) and iniferter polymerization.
Main Methods:
- PROAD polymerization of isobutyl vinyl ether using specific initiators.
- Utilizing resulting polymers as macroiniferters for subsequent radical polymerization.
- Characterization using 1H NMR, FT-IR, GPC, and DSC.
Main Results:
- Successful synthesis of polymers with triphenylmethyl (trityl) end groups.
- Formation of block copolymers from various vinyl monomers (MMA, tBA, styrene).
- Block copolymers were free from homopolymer contamination.
Conclusions:
- The combined PROAD and iniferter approach is effective for block copolymer synthesis.
- This method offers precise control over polymer architecture.
- The synthesized block copolymers possess desirable characteristics for advanced applications.
Keywords:
block copolymerscationic polymerizationfree radical polymerizationinifertersmechanistic transformationphotoinduced radical oxidation/addition/deactivationMore Related Videos
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