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Article

Characterization and Optimization of Real-Time Photoresponsive Gelatin for Direct Laser Writing

1
Institute of Physics, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia
2
Western Serbia Academy of Applied Studies, Užice Department, Trg Svetog Save 34, 31000 Užice, Serbia
*
Author to whom correspondence should be addressed.
Academic Editor: Oh Seok Kwon
Polymers 2022, 14(12), 2350; https://doi.org/10.3390/polym14122350
Received: 29 April 2022 / Revised: 31 May 2022 / Accepted: 5 June 2022 / Published: 9 June 2022
(This article belongs to the Section Polymer Analysis and Characterization)
There is an abundance of plastic materials used in the widest range of applications, such as packaging, machine parts, biomedical devices and components, etc. However, most materials used today are non-decomposable in the environment, producing a huge burden on ecosystems. The search for better, safer alternatives is still on. Here we present a detailed analysis of a simple, cheap, non-toxic, even edible, eco-friendly material, which can be easily manufactured, laser patterned and used for the fabrication of complex structures. The base substance is gelatin which is made photoresponsive by adding plasticizers and sensitizers. The resulting films were analyzed with respect to their optical, thermal and mechanical properties, which can be modified by a slight variation of chemical composition. The material is optimized for rapid laser-manufacturing of elastic microstructures (lenses, gratings, cantilevers, etc.) without any waste or residues. Overall, the material properties were tailored to increase photothermal responsivity, improve the surface quality and achieve material homogeneity, transparency and long-term stability (as verified using electron microscopy, infrared spectroscopy and differential scanning calorimetry). View Full-Text
Keywords: gelatin; bio-eco-polymers; physicochemical properties; optical elastomers; rapid laser printing; microstructures gelatin; bio-eco-polymers; physicochemical properties; optical elastomers; rapid laser printing; microstructures
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MDPI and ACS Style

Murić, B.D.; Pantelić, D.V.; Radmilović, M.D.; Savić-Šević, S.N.; Vasović, V.O. Characterization and Optimization of Real-Time Photoresponsive Gelatin for Direct Laser Writing. Polymers 2022, 14, 2350. https://doi.org/10.3390/polym14122350

AMA Style

Murić BD, Pantelić DV, Radmilović MD, Savić-Šević SN, Vasović VO. Characterization and Optimization of Real-Time Photoresponsive Gelatin for Direct Laser Writing. Polymers. 2022; 14(12):2350. https://doi.org/10.3390/polym14122350

Chicago/Turabian Style

Murić, Branka D., Dejan V. Pantelić, Mihajlo D. Radmilović, Svetlana N. Savić-Šević, and Vesna O. Vasović. 2022. "Characterization and Optimization of Real-Time Photoresponsive Gelatin for Direct Laser Writing" Polymers 14, no. 12: 2350. https://doi.org/10.3390/polym14122350

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