Controlling mechanical properties of 3D printed polymer composites through photoinduced reversible addition–fragmentation chain transfer (RAFT) polymerization

Shi, Xiaobing; Zhang, Jin; Corrigan, Nathaniel; Boyer, Cyrille

doi:10.1039/d1py01283e

Cited by 37 publications

(30 citation statements)

References 86 publications

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“…[62] Interestingly, self-healing 3D printed objects could be fabricated from a RAFT resin containing 2-hydroxyethyl acrylate and ethylene glycol dimethacrylate using DBTTC (1.5 mol%) and TPO (0.75 mol%) as coinitiators (Figure 5D). [63] Furthermore, Boyer group demonstrated that RAFT 3D printing can be used for silica/polymer composite fabrication (Figure 5E) [64] as well as micro-to nanoscale structure control in 3D printed complex objects. [65] Recently, Jin and co-workers explored the possibility of RAFT 3D printing under red LED light (635 nm, 0.5 mW cm −2 ) by introducing ZnTPP to the resin, with a disk-shaped model printed.…”

Section: Raft Photoinitiating Systemmentioning

confidence: 99%

Recent Trends in Advanced Photoinitiators for Vat Photopolymerization 3D Printing

Bao

2022

Macromol. Rapid Commun.

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3D printing has revolutionized the way of manufacturing with a huge impact on various fields, in particular biomedicine. Vat photopolymerization‐based 3D printing techniques such as stereolithography (SLA) and digital light processing (DLP) attract considerable attention owing to their superior print resolution, relatively high speed, low cost, and flexibility in resin material design. As one key element of the SLA/DLP resin, photoinitiators or photoinitiating systems have experienced significant development in recent years, in parallel with the exploration of 3D printing (macro)monomers. The design of new photoinitiating systems cannot only offer faster 3D printing speed and enable low‐energy visible light fabrication, but also can bring new functions to the 3D printed products and even generate new printing methods in combination with advanced optics. This review evaluates recent trends in the development and application of advanced photoinitiators and photoinitiating systems for vat photopolymerization 3D printing, with a wide range of small molecules, polymers, and nanoassemblies involved. Personal perspectives on the current limitations and future directions are eventually provided.

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Section: Raft Photoinitiating Systemmentioning

confidence: 99%

Recent Trends in Advanced Photoinitiators for Vat Photopolymerization 3D Printing

Bao

2022

Macromol. Rapid Commun.

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“…63,64 Notably some recent work in RAFT 3D printing has tended towards a similar method as the earlier ATRP 3D printing of using conventional radical initiators, primarily due to advantages in printing speed. 65,66 However, the quantity of radical initiator used potentially leads to many dead chain ends which could affect the desired growth properties. An important point to note is that most 3D printing work uses resins with higher crosslinking to aid in the build plate adhesion, layer printing time, and overall structural integrity.…”

Section: Minireviewmentioning

confidence: 99%

Living polymer networks prepared by controlled radical polymerization techniques

et al. 2022

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“…In addition, organic photocatalysts as additives are also a hot spot in the field of 3D printing based on reversible addition fragmentation chain transfer (RAFT) polymerization. [77][78][79] RAFT polymerization has been extensively studied due to its ability to produce macromolecules with multiple structure and chemical functions under various conditions. [80][81][82] Photoinduced electron/energy transfer-RAFT (PET-RAFT) polymerization is a kind of active radical polymerization technology regulated by visible/IR light, which is developed by combining traditional RAFT polymerization and photooxidation-reduction catalysis.…”

Section: Research Status Of 3d Printed Photocatalytic Productmentioning

confidence: 99%

3D Printing based on Photopolymerization and Photocatalysts: Review and Prospect

Boyer

Zhang

2022

Macro Materials & Eng

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3D printing is a fabrication method that has attracted worldwide attention in recent years, providing a convenient and economical method for the fabrication of 3D structures. With the development of this technology and the reduction of operating costs, the application of 3D printing is greatly expanded. This paper focuses on the application progress of 3D printing in the preparation of photocatalysts. Considering the advantage that photopolymerization-based 3D printing technology can better control the structure and active component distribution of photocatalytic products, the realization possibility of one-step digital light processing (DLP) printing photocatalyst products is particularly prospected. In addition, the latest research progress of photocatalytic materials and 3D printing technology is also summarized, and the problems that need to be broken through in the future development of DLP-3D printing technology are discussed.

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Controlling mechanical properties of 3D printed polymer composites through photoinduced reversible addition–fragmentation chain transfer (RAFT) polymerization

Abstract: Reversible addition-fragmentation chain-transfer (RAFT) polymerization has been widely exploited to produce homogeneous and living polymer networks for advanced material design. In this work, we incorporate silica nanoparticles (SNPs) into a...

Cited by 37 publications

References 86 publications

Recent Trends in Advanced Photoinitiators for Vat Photopolymerization 3D Printing

Recent Trends in Advanced Photoinitiators for Vat Photopolymerization 3D Printing

Living polymer networks prepared by controlled radical polymerization techniques

3D Printing based on Photopolymerization and Photocatalysts: Review and Prospect

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