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Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability

[Image: see text] Acrylic photopolymer resins are widely used in stereolithographic 3D printing. However, the growing demand for such thermosetting resins is weighing on global issues such as waste management and fossil fuel consumption. Therefore, there is an increasing demand for reactive componen...

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Autores principales: Stouten, Jules, Schnelting, Geraldine H. M., Hul, Jerzy, Sijstermans, Nick, Janssen, Kylian, Darikwa, Tinashe, Ye, Chongnan, Loos, Katja, Voet, Vincent S. D., Bernaerts, Katrien V.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2023
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10251348/
https://www.ncbi.nlm.nih.gov/pubmed/37220092
http://dx.doi.org/10.1021/acsami.3c01669
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author Stouten, Jules
Schnelting, Geraldine H. M.
Hul, Jerzy
Sijstermans, Nick
Janssen, Kylian
Darikwa, Tinashe
Ye, Chongnan
Loos, Katja
Voet, Vincent S. D.
Bernaerts, Katrien V.
author_facet Stouten, Jules
Schnelting, Geraldine H. M.
Hul, Jerzy
Sijstermans, Nick
Janssen, Kylian
Darikwa, Tinashe
Ye, Chongnan
Loos, Katja
Voet, Vincent S. D.
Bernaerts, Katrien V.
author_sort Stouten, Jules
collection PubMed
description [Image: see text] Acrylic photopolymer resins are widely used in stereolithographic 3D printing. However, the growing demand for such thermosetting resins is weighing on global issues such as waste management and fossil fuel consumption. Therefore, there is an increasing demand for reactive components that are biobased and enable recyclability of the resulting thermoset products. In this work, the synthesis of a photo-cross-linkable molecule containing dynamic imine bonds based on biobased vanillin and dimer fatty diamine is described. Using the biobased building blocks, formulations containing reactive diluent and a photoinitiator were prepared. The mixtures could be rapidly cross-linked under UV light, yielding vitrimers. Using digital light processing, 3D-printed parts were prepared, which were rigid, thermally stable, and reprocessed within 5 min at elevated temperature and pressure. The addition of a building block containing a higher concentration of imine bonds accelerated the stress relaxation and improved the mechanical rigidity of the vitrimers. This work will contribute to the development of biobased and recyclable 3D-printed resins to facilitate the transition to a circular economy.
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spelling pubmed-102513482023-06-10 Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability Stouten, Jules Schnelting, Geraldine H. M. Hul, Jerzy Sijstermans, Nick Janssen, Kylian Darikwa, Tinashe Ye, Chongnan Loos, Katja Voet, Vincent S. D. Bernaerts, Katrien V. ACS Appl Mater Interfaces [Image: see text] Acrylic photopolymer resins are widely used in stereolithographic 3D printing. However, the growing demand for such thermosetting resins is weighing on global issues such as waste management and fossil fuel consumption. Therefore, there is an increasing demand for reactive components that are biobased and enable recyclability of the resulting thermoset products. In this work, the synthesis of a photo-cross-linkable molecule containing dynamic imine bonds based on biobased vanillin and dimer fatty diamine is described. Using the biobased building blocks, formulations containing reactive diluent and a photoinitiator were prepared. The mixtures could be rapidly cross-linked under UV light, yielding vitrimers. Using digital light processing, 3D-printed parts were prepared, which were rigid, thermally stable, and reprocessed within 5 min at elevated temperature and pressure. The addition of a building block containing a higher concentration of imine bonds accelerated the stress relaxation and improved the mechanical rigidity of the vitrimers. This work will contribute to the development of biobased and recyclable 3D-printed resins to facilitate the transition to a circular economy. American Chemical Society 2023-05-23 /pmc/articles/PMC10251348/ /pubmed/37220092 http://dx.doi.org/10.1021/acsami.3c01669 Text en © 2023 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by/4.0/Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Stouten, Jules
Schnelting, Geraldine H. M.
Hul, Jerzy
Sijstermans, Nick
Janssen, Kylian
Darikwa, Tinashe
Ye, Chongnan
Loos, Katja
Voet, Vincent S. D.
Bernaerts, Katrien V.
Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability
title Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability
title_full Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability
title_fullStr Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability
title_full_unstemmed Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability
title_short Biobased Photopolymer Resin for 3D Printing Containing Dynamic Imine Bonds for Fast Reprocessability
title_sort biobased photopolymer resin for 3d printing containing dynamic imine bonds for fast reprocessability
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10251348/
https://www.ncbi.nlm.nih.gov/pubmed/37220092
http://dx.doi.org/10.1021/acsami.3c01669
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