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Keywords = electro-induced multi-gas treatment

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14 pages, 6232 KiB  
Article
The Effect of Electro-Induced Multi-Gas Modification on Polymer Substrates’ Surface Structure for Additive Manufacturing
by Fedor Doronin, Georgy Rytikov, Andrey Evdokimov, Yury Rudyak, Irina Taranets and Victor Nazarov
Processes 2023, 11(3), 774; https://doi.org/10.3390/pr11030774 - 6 Mar 2023
Cited by 5 | Viewed by 1927
Abstract
We investigated the effect of electro-induced multi-gas modification (EIMGM) duration on the adhesion and wear resistance of PET and LDPE polymer substrates used in the printing industry. It was found that EIMGM increases the polar component and the complete free surface energy from [...] Read more.
We investigated the effect of electro-induced multi-gas modification (EIMGM) duration on the adhesion and wear resistance of PET and LDPE polymer substrates used in the printing industry. It was found that EIMGM increases the polar component and the complete free surface energy from 26 to 57 mJ/m2 for LDPE and from 37 to 67 mJ/m2 for PET (due to the formation of oxygen-containing groups on the surface of the materials). Although the degree of textural and morphological heterogeneity of the modified LDPE increased more than twice compared to the initial state, it is not still suitable for application as a substrate in extrusion 3D printing. However, for PET, the plasma-chemical modification contributed to a significant increase (~5 times) in filament adhesion to its surface (due to chemical and morphological transformations of the surface layers) which allows for using the FFF technology for additive prototyping on the modified PET-substrates. Full article
(This article belongs to the Section Materials Processes)
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