Nanostructure Control in 3D Printed Materials

Currently, there are no straightforward methods to 3D print materials with nanoscale control over morphological and functional properties. Here, a novel approach for the fabrication of materials with controlled nanoscale morphologies using a rapid and commercially available Digital Light Processing...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2022-01, Vol.34 (4), p.e2107643-n/a
Main Authors: Bobrin, Valentin A., Lee, Kenny, Zhang, Jin, Corrigan, Nathaniel, Boyer, Cyrille
Format: Article
Language:English
Subjects:
3-D printers
3D printing
in situ polymerization‐induced microphase separation
Materials science
Mechanical properties
Morphology
multi‐materials
nanostructured materials
Polymerization
RAFT polymerization
Three dimensional printing
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Summary:Currently, there are no straightforward methods to 3D print materials with nanoscale control over morphological and functional properties. Here, a novel approach for the fabrication of materials with controlled nanoscale morphologies using a rapid and commercially available Digital Light Processing 3D printing technique is demonstrated. This process exploits reversible deactivation radical polymerization to control the in‐situ‐polymerization‐induced microphase separation of 3D printing resins, which provides materials with complex architectures controllable from the macro‐ to nanoscale, resulting in the preparation of materials with enhanced mechanical properties. This method does not require specialized equipment or process conditions and thus represents an important development in the production of advanced materials via additive manufacturing. Polymerization‐induced microphase separation is applied to 3D printing using a robust and rapid photoinitiated RAFT polymerization process. The resulting materials display sub‐10 nm features that are controllable through the choice of resin components and provide enhanced mechanical properties. This process is a new highly accessible route to nanoscale structured materials.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202107643