The three-component photoinitiating systems based on flavonol sulfonate and application in 3D printing

You, Jinling; Du, Yao; Xue, Tanlong; Bao, Binghui; Hu, T.; Ye, Yaoyao; Wang, Tao

doi:10.1016/j.dyepig.2021.109899

Cited by 7 publications

(4 citation statements)

References 42 publications

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“…Examination of the cytotoxicity of the polymer films prepared with CQ, 3HF-S and 3HF-C revealed the cell viability of HeLa cells to be higher than 80%, whereas cell viability lower than 80% was determined for polymers prepared with 3HF-OH. Considering that sulfonate derivatives can outperform all other derivatives, another sulfonate derivative, i.e., 3HF-F, was examined, bearing a pendant carbazoyl group (see Figure 22) [260]. Using Examination of the cytotoxicity of the polymer films prepared with CQ, 3HF-S and 3HF-C revealed the cell viability of HeLa cells to be higher than 80%, whereas cell viability lower than 80% was determined for polymers prepared with 3HF-OH.…”

Section: Epoxmentioning

confidence: 99%

“…Using Examination of the cytotoxicity of the polymer films prepared with CQ, 3HF-S and 3HF-C revealed the cell viability of HeLa cells to be higher than 80%, whereas cell viability lower than 80% was determined for polymers prepared with 3HF-OH. Considering that sulfonate derivatives can outperform all other derivatives, another sulfonate derivative, i.e., 3HF-F, was examined, bearing a pendant carbazoyl group (see Figure 22) [260]. Using this high-performance photoinitiator in three-component 3HF-F/Iod4/TEOA (0.5%/2%/1% w/w/w) systems, 4D-printed objects could be designed and synthesized.…”

Section: Epoxmentioning

confidence: 99%

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Recent Advances in Visible Light Photoinitiating Systems Based on Flavonoids

Dumur

2023

Photochem

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The design of biosourced and/or bioinspired photoinitiators is an active research field as it offers a unique opportunity to develop photoinitiating systems exhibiting better biocompatibility as well as reduced toxicity. In this field, flavonoids can be found in numerous fruits and vegetables so these structures can be of interest for developing, in the future, polymerization processes, offering a reduced environmental impact but also better biocompatibility of the polymers. In this review, the different flavonoids reported to date as photoinitiators of polymerization are presented. Over the years, different modifications of the flavonoid scaffold have been examined including the grafting of well-known chromophores, the preparation of Type II photoinitiators or the introduction of photocleavable groups enabling the generation of Type I photoinitiators. Different families of flavonoids have also been investigated, enabling to design of high-performance photoinitiating systems.

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Section: Epoxmentioning

confidence: 99%

Section: Epoxmentioning

confidence: 99%

Recent Advances in Visible Light Photoinitiating Systems Based on Flavonoids

Dumur

2023

Photochem

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Section: Riboflavinmentioning

confidence: 99%

“…74 Most recently, the esterification of the 3hydroxy group in combination with a 3-cabazolyl π-extension has notably improved the efficiency in multi-component PISs for DLP 3D printing of PEGDA hydrogels. 75 Herein, the authors replaced the phenyl group with a carbazole moiety to yield a larger bathochromic shift enabling light-based printing with a photoinitiation at 405 nm. These flavone derivatives could successfully be used for printing detailed geometries (Figure 3D, E).…”

Section: Synthetic Routes Yielding Substructures Of Natural Pismentioning

confidence: 99%

Natural and Naturally Derived Photoinitiating Systems for Light-Based 3D Printing

2022

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Photoinitiating systems (PIS) are key components in photocurable formulations (inks) for 3D printing. Natural PIS are promising and more environmentally friendly alternatives to conventional photoinitiators. These systems offer enhanced features such as less toxicity and therefore, higher biocompatibility. Furthermore, they can be found in a large "color palette” variety (absorbing in the different regions of the UV-visible spectrum) enabling new possibilities in the field of 3D printing. In this review, we outline the current efforts to implement natural and naturally derived PIS in light-based 3D printing. First, recently applied natural PIS and their performance for light-based 3D printing are discussed. In a second part, an overview of naturally derived PIS including the most common synthetic strategies are provided. Last, current challenges as well as future perspectives of the field are discussed.

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