Lazaros Papadopoulos , Lorenzo Pezzana , Natalia Malitowski , Nikolaos Kladovasilakis , Dimitrios Tzetzis , Marco Sangermano , Dimitrios N. Bikiaris , Tobias Robert
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Therefore, in this study, a series of nanocomposite polyesters based on itaconic acid was synthesized for the first time with <em>in-situ</em> polymerization, in an attempt to leverage the unique properties of nanofillers and improve the overall performance of the material. A variety of reinforcing agents were utilized, namely cellulose nanocrystals (CNC), montmorillonite (MMT), graphene nanoplatelets (GNP) and titanium dioxide (TiO<sub>2</sub>), to understand the effect of each filler on the physicochemical properties of the polyester. Formulations of these polyesters were then prepared and processed on a digital light processing (DLP) 3D printer to prepare test specimens. Extensive thermomechanical characterization showed that the interference of the fillers with the UV curing process was the main parameter determining the mechanical performance of the 3D printed materials.</p></div>","PeriodicalId":34151,"journal":{"name":"GIANT","volume":"18 ","pages":"Article 100275"},"PeriodicalIF":5.4000,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666542524000407/pdfft?md5=0f2c1408a2efe6b636093792c27970f3&pid=1-s2.0-S2666542524000407-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Itaconic acid-based 3D printed nanocomposites: An in-depth study on the effect of nanoinclusions on the physicochemical properties and the printability of formulations based on polyester itaconates\",\"authors\":\"Lazaros Papadopoulos , Lorenzo Pezzana , Natalia Malitowski , Nikolaos Kladovasilakis , Dimitrios Tzetzis , Marco Sangermano , Dimitrios N. Bikiaris , Tobias Robert\",\"doi\":\"10.1016/j.giant.2024.100275\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The demand for novel bio-based materials in UV-curing additive manufacturing has surged due to increasing environmental concerns and a growing emphasis on sustainable practices in the manufacturing industry. However, at the moment, their thermomechanical performance is not equal to that of their fossil-based counterparts and this impedes the acceptance of these materials within the industrial community. Therefore, in this study, a series of nanocomposite polyesters based on itaconic acid was synthesized for the first time with <em>in-situ</em> polymerization, in an attempt to leverage the unique properties of nanofillers and improve the overall performance of the material. A variety of reinforcing agents were utilized, namely cellulose nanocrystals (CNC), montmorillonite (MMT), graphene nanoplatelets (GNP) and titanium dioxide (TiO<sub>2</sub>), to understand the effect of each filler on the physicochemical properties of the polyester. Formulations of these polyesters were then prepared and processed on a digital light processing (DLP) 3D printer to prepare test specimens. 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Itaconic acid-based 3D printed nanocomposites: An in-depth study on the effect of nanoinclusions on the physicochemical properties and the printability of formulations based on polyester itaconates
The demand for novel bio-based materials in UV-curing additive manufacturing has surged due to increasing environmental concerns and a growing emphasis on sustainable practices in the manufacturing industry. However, at the moment, their thermomechanical performance is not equal to that of their fossil-based counterparts and this impedes the acceptance of these materials within the industrial community. Therefore, in this study, a series of nanocomposite polyesters based on itaconic acid was synthesized for the first time with in-situ polymerization, in an attempt to leverage the unique properties of nanofillers and improve the overall performance of the material. A variety of reinforcing agents were utilized, namely cellulose nanocrystals (CNC), montmorillonite (MMT), graphene nanoplatelets (GNP) and titanium dioxide (TiO2), to understand the effect of each filler on the physicochemical properties of the polyester. Formulations of these polyesters were then prepared and processed on a digital light processing (DLP) 3D printer to prepare test specimens. Extensive thermomechanical characterization showed that the interference of the fillers with the UV curing process was the main parameter determining the mechanical performance of the 3D printed materials.
期刊介绍：
Giant is an interdisciplinary title focusing on fundamental and applied macromolecular science spanning all chemistry, physics, biology, and materials aspects of the field in the broadest sense. Key areas covered include macromolecular chemistry, supramolecular assembly, multiscale and multifunctional materials, organic-inorganic hybrid materials, biophysics, biomimetics and surface science. Core topics range from developments in synthesis, characterisation and assembly towards creating uniformly sized precision macromolecules with tailored properties, to the design and assembly of nanostructured materials in multiple dimensions, and further to the study of smart or living designer materials with tuneable multiscale properties.
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