Crosslinked polymers based on monomers derived from renewable resources and their application potential

Strehmel, Veronika; Strehmel, Bernd

doi:10.1002/appl.202300004

Applied Research

2023

DOI: 10.1002/appl.202300004

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Crosslinked polymers based on monomers derived from renewable resources and their application potential

Veronika Strehmel

Bernd Strehmel

Abstract: Possible structural variation of a bio‐based dimethacrylate derived from oleic acid and ethylene glycol is discussed as well as sources to obtain the starting material for manufacturing this monomer. Introduction of an aromatic structure either as a bridge between the two ester structures formed or as a substituent is expected to influence the properties of both the monomer and polymer made of it, for example, by photoinitiated polymerization. Furthermore, aspects influencing the transfer of a new product are … Show more

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Cited by 10 publications

References 39 publications

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Printing Green: Microalgae‐Based Materials for 3D Printing with Light

Vazquez‐Martel,

Florido Martins,

Genthner

et al. 2024

Advanced Materials

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Microalgae have emerged as sustainable feedstocks due to their ability to fix CO2 during cultivation, rapid growth rates, and capability to produce a wide variety of metabolites. Several microalgae accumulate lipids in high concentrations, especially triglycerides, along with lipid‐soluble, photoactive pigments such as chlorophylls and derivatives. Microalgae‐derived triglycerides contain longer fatty acid chains with more double bonds on average than vegetable oils, allowing a higher degree of post‐functionalization. Consequently, they are especially suitable as precursors for materials that can be used in 3D printing with light. This work presents the use of microalgae as “biofactories” to generate materials that can be further 3D printed in high resolution. Two taxonomically different strains —Odontella aurita (O. aurita, BEA0921B) and Tetraselmis striata (T. striata, BEA1102B)— are identified as suitable microalgae for this purpose. The extracts obtained from the microalgae (mainly triglycerides with chlorophyll derivatives) are functionalized with photopolymerizable groups and used directly as printable materials (inks) without the need for additional photoinitiators. The fabrication of complex 3D microstructures with sub‐micron resolution is demonstrated. Notably, the 3D printed materials show biocompatibility. These findings open new possibilities for the next generation of sustainable, biobased, and biocompatible materials with great potential in life science applications.

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Printing Green: Microalgae‐Based Materials for 3D Printing with Light

Vazquez‐Martel,

Florido Martins,

Genthner

et al. 2024

Advanced Materials

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Nachhaltiger Eisen‐Photokatalysator auf Holzbasis für vielfältige Anwendungen mit Sonnenlicht: Wasseraufbereitung und radikalische Photopolymerisation

et al. 2023

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Durch Behandlung von Holz und Eisenoxid wurde ein nachhaltiger Photokatalysator für vielfältige Verwendungzwecke hergestellt, welcher demethyliertes Lignin (Fe3O4@D‐wood) enthält. Die Charakterisierung erfolgte mittels XRD, UV/Vis, Photostromunterschungen und elektrochemischen Messungen. Dieses Material wurde zum Gegenstand photokatalytischer Untersuchungen für die Wasseraufbereitung und die Materialsynthese mittels radikalischer Photopolymerisation. Die Bestrahlung von Fe3O4@D‐wood mit künstlichem Sonnenlicht zeigte eine verbesserte Aktivität bei der photochemischen Oxidation von organischen Schadstoffen in Gegenwart von H2O2. Die effiziente Erzeugung reaktiver Radikale ermöglichte bei diesem System auch die Photopolymerisation. Hier können Radikale, die auf reaktiven Sauerstoffspezies (ROS) basieren und in dem katalytischen Zyklus erzeugt werden, als die dominierenden Spezies zur Initiierung der radikalischen Polymerisation angesehen werden. Eine Mischung aus UDMA und TPGDA zeigte eine gute Reaktivität mit Cumolhydroperoxid (CHP). Der für die Wasseraufbereitung verwendete Photokatalysator ermöglicht die Wiederverwendung für die Photopolymerisation.

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Lichtinduzierte Polymerisation katalysiert durch Kohlenstoff‐Nanomaterialien

Luo,

Zhai,

Wang

et al. 2024

Angewandte Chemie

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Carbon nanomaterials, specifically carbon dots and carbon nitrides, play a crucial role as heterogeneous photoinitiators in both radical and cationic polymerization processes. These recently introduced materials offer promising solutions to the limitations of current homogeneous systems, presenting a novel approach to photopolymerization. This review highlights the preparation and photocatalytic performance of these nanomaterials, emphasizing their application in various polymerization techniques, including photoinduced i) free radical, ii) RAFT, iii) ATRP, and iv) cationic photopolymerization. Additionally, it discusses their potential in addressing contemporary challenges and explores prospects in this field. Moreover, carbon nitrides, in particular, exhibit exceptional oxygen tolerance, underscoring their significance in radical polymerization processes and allowing their applications such as 3D printing, surface modification of coatings, and hydrogel engineering.

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Crosslinked polymers based on monomers derived from renewable resources and their application potential

Cited by 10 publications

References 39 publications

Printing Green: Microalgae‐Based Materials for 3D Printing with Light

Printing Green: Microalgae‐Based Materials for 3D Printing with Light

Nachhaltiger Eisen‐Photokatalysator auf Holzbasis für vielfältige Anwendungen mit Sonnenlicht: Wasseraufbereitung und radikalische Photopolymerisation

Lichtinduzierte Polymerisation katalysiert durch Kohlenstoff‐Nanomaterialien

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