Material investigations on poly(ethylene glycol) diacrylate-based hydrogels for additive manufacturing considering different molecular weights

• Autorzy: Klimaschewski Sven F. , Küpperbusch Janine , Kunze Annika , Vehse Mark

Identyfikatory

DOI

10.30464/jmee.2022.6.1.33

• Języki publikacji: EN

Abstrakty

EN

The aim of this case study is to generate several poly(ethylene glycol) diacrylate-based hydrogels using additive manufacturing processes. The interest here is in determining different material properties. The test specimens are produced using a commercial stereolithography system. For this purpose, three formulations are prepared. The basis in each case is PEGDA with average molecular weights of 700 Mn, 575 Mn and 250 Mn. A photoinitiator and a UV absorber are added to ensure spatial and temporal cross-linking. Furthermore, the formulations are tested for their material properties according to ISO standards using tensile, compression and hardness tests. An equivalence can be found in the tensile and compression tests. The results with the molecular weights of 700 Mn and 575 Mn show values close to each other. However, the results of the material tests with the molecular weight of 250 Mn are ten times higher. The Shore A hardness values also correlate with the previous tests. These results between molecular weight and material property are particularly striking. A novel aspect of this method could be that the properties determined of these tailor-made high-performance polymers can be applied to different areas of application in an organism.

Słowa kluczowe

EN

additive manufacturing; stereolithography; PEGDA; molecular weight; material properties; biocompatible hydrogel

PL

wytwarzanie przyrostowe; stereolitografia; masa cząsteczkowa; właściwości materiałów; hydrożel

• Wydawca: Wydawnictwo Uczelniane Politechniki Koszalińskiej
• Czasopismo: Journal of Mechanical and Energy Engineering
• Rocznik: 2022
• Tom: Vol. 6, No 1
• Strony: 33--41
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Klimaschewski Sven F.

• Faculty of Mechanical Engineering, University of Applied Sciences Stralsund, Zur Schwedenschanze 15, Stralsund, 18435, Germany

• https://orcid.org/0000-0001-9878-7603

autor

Küpperbusch Janine

• Faculty of Mechanical Engineering, University of Applied Sciences Stralsund, Zur Schwedenschanze 15, Stralsund, 18435, Germany

autor

Kunze Annika

• Faculty of Mechanical Engineering, University of Applied Sciences Stralsund, Zur Schwedenschanze 15, Stralsund, 18435, Germany

autor

Vehse Mark

• Faculty of Mechanical Engineering, University of Applied Sciences Stralsund, Zur Schwedenschanze 15, Stralsund, 18435, Germany

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).