Low temperature plasma and steam sterilization influence on the PET track-etched membrane surface properties

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Abstract

The article shows results of low temperature plasma and steam sterilization influence on the PET track-etched membrane surface properties. The track-etched membranes were modified by the atmospheric low-temperature plasma with a processing time of 30 s and were sterilized by the steam sterilization in two modes: 130-132°C at a pressure of 0.2 MPa (5 min); 120-121°C at a pressure of 0.11 MPa (20 min). The results showed that the steam sterilization increased the values of roughness and surface hydrophobicity of the membranes after plasma modification. The changes were primarily associated with surface degradation and hydrolysis reaction, which led to decarboxylation, cyclization and, as a result, an increase in cyclic trimmers on the PET surface. An increase in the time of steam sterilization led to an increase of the number of cyclic oligomers on the surface, which was manifested in significant morphological, physical and chemical changes (changes in roughness, reduced hydrophilicity of the surface).

Original languageEnglish
Title of host publicationProceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
EditorsVasily M. Fomin, Victor E. Panin, Sergey G. Psakhie
PublisherAmerican Institute of Physics Inc.
Volume2051
ISBN (Electronic)9780735417779
DOIs
Publication statusPublished - 12 Dec 2018
EventInternational Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018 - Tomsk, Russian Federation
Duration: 1 Oct 20185 Oct 2018

Conference

ConferenceInternational Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018
CountryRussian Federation
CityTomsk
Period1.10.185.10.18

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Filippova, E. O., & Pichugin, V. F. (2018). Low temperature plasma and steam sterilization influence on the PET track-etched membrane surface properties. In V. M. Fomin, V. E. Panin, & S. G. Psakhie (Eds.), Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures (Vol. 2051). [020089] American Institute of Physics Inc.. https://doi.org/10.1063/1.5083332