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Updated: Nov 13, 2025

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization
Published on: February 18, 2022
Reversible Deactivation Radical Polymerization: From Polymer Network Synthesis to 3D Printing.
Ali Bagheri1, Christopher M Fellows1,2, Cyrille Boyer3
1School of Science and Technology The University of New England Armidale NSW 2351 Australia.
Reversible deactivation radical polymerization (RDRP) enables 3D printing of transformable polymer networks, overcoming limitations of conventional methods for advanced material fabrication.
Area of Science:
- Polymer Chemistry
- Materials Science
- Additive Manufacturing
Background:
- Conventional 3D printing utilizes radical polymerization, offering limited control over polymer network properties.
- Radical polymerization results in 'dead' polymer chains, preventing post-printing modifications.
Purpose of the Study:
- To explore the advantages of reversible deactivation radical polymerization (RDRP) in 3D printing.
- To enable the creation of transformable polymer materials through advanced 3D printing techniques.
Main Methods:
- Application of reversible deactivation radical polymerization (RDRP) in photopolymerization-based 3D printing.
- Fabrication of polymer networks with dormant, reactivatable species.
Main Results:
- RDRP allows for precise tuning of polymer network homogeneity and architecture.
- Production of advanced polymer materials capable of postsynthetic transformations.
- Development of concepts like living additive manufacturing and photoexpandable networks.
Conclusions:
- RDRP-based polymer networks offer significant advantages over conventional, irreversibly formed networks.
- This approach unlocks new possibilities for creating sophisticated, adaptable 3D-printed materials.
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