Additive Manufacturing of Plastics Used for Protection against COVID19—The Influence of Chemical Disinfection by Alcohol on the Properties of ABS and PETG Polymers

Author:

Grzelak KrzysztofORCID,Łaszcz Julia,Polkowski Jakub,Mastalski Piotr,Kluczyński JanuszORCID,Łuszczek JakubORCID,Torzewski JanuszORCID,Szachogłuchowicz IreneuszORCID,Szymaniuk Rafał

Abstract

In this paper, the influence of disinfection on structural and mechanical properties of additive manufactured (AM) parts was analyzed. All AM parts used for a fight against COVID19 were disinfected using available methods—including usage of alcohols, high temperature, ozonation, etc.—which influence on AM parts properties has not been sufficiently analyzed. During this research, three types of materials dedicated for were tested in four different disinfection times and two disinfection liquid concentrations. It has been registered that disinfection liquid penetrated void into material’s volume, which caused an almost 20% decrease in tensile properties in parts manufactured using a glycol-modified version of polyethylene terephthalate (PETG).

Funder

Military University of Technology

Publisher

MDPI AG

Subject

General Materials Science

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