3D printing of polymeric materials based on photo-RAFT polymerization?

Polymer Chemistry Pub Date: 2019-11-04 DOI: 10.1039/C9PY01419E

Abstract

Here, for the first time, we report the 3D printing of polymeric materials via a photo-controlled reversible addition fragmentation chain transfer (photo-RAFT) polymerization process. Our 3D printing resin formulation is based on the use of trithiocarbonate (TTC) RAFT agent, which can mediate radical polymerization via direct photolysis under visible light irradiation (λ = 405 nm). Re-activation of the TTC units within the 3D printed materials enables post-printing transformation.

Graphical abstract: 3D printing of polymeric materials based on photo-RAFT polymerization
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