Manufacturing Technology 2025, 25(1):37-44 | DOI: 10.21062/mft.2025.012

Effect of DCSBD Plasma Treatment on the Mechanical Properties of Polymer Films

Marcel Kohutiar ORCID...1, Michal Krbata ORCID...1, Róbert Janík ORCID...2, Jozef Jaroslav Fekiač ORCID...1, Lucia Kakošová ORCID...1, Jana Escherová ORCID...1
1 Faculty of Special Technology, Alexander Dubcek University of Trenčín, Ku Kyselke 469, 911 06 Trenčín, Slovakia
2 Faculty of Industrial Technologies in Púchov, Alexander Dubček University of Trenčín, Ivana Krasku 491/30, 020 01 Púchov, Slovakia

Polymers and their surface modifications are the subject of intensive research due to their wide industrial applications in the fields of food packaging, biomedicine and electronics. The most widely used polymer films include polyethylene (PE), polyethylene terephthalate (PET) and polypropylene (PP), whose surface and mechanical properties can be optimized through physicochemical modifications. Diffuse coplanar surface barrier discharge (DCSBD) represents an effective method for modifying the surface properties of polymers without significantly affecting their structural properties. This study focuses on analyzing the effect of DCSBD plasma discharge on the mechanical behavior of PE, PET and PP films by means of dynamic mechanical analysis (DMA). Experimental samples were exposed to DCSBD plasma discharge and subsequently subjected to DMA over a wide temperature range. The measurement results showed significant changes in the storage modulus (E′), loss modulus (E′′) and loss angle (tan δ), while a decrease in material stiffness and a shift in glass transition temperatures (Tg) were identified.

Keywords: Polymer films, Dynamic mechanical analysis (DMA), DCSBD plasma, Surface treatment
Grants and funding:

This research work was created within the project „Study of the degradation properties of plastics manufactured by additive technology“, code of the project MVP04_2024, based on the financial support from the Internal Grant Scheme of the Alexander Dubček University of Trenčín (Call for proposals: Early Stage Grants)

Received: December 6, 2024; Revised: February 28, 2025; Accepted: March 7, 2025; Prepublished online: March 20, 2025; Published: April 25, 2025  Show citation

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Kohutiar M, Krbata M, Janík R, Fekiač JJ, Kakošová L, Escherová J. Effect of DCSBD Plasma Treatment on the Mechanical Properties of Polymer Films. Manufacturing Technology. 2025;25(1):37-44. doi: 10.21062/mft.2025.012.
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