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Sharifullin F.S., Sagitova F.R. Enhancing the adhesion potential of ultra-high molecular weight polyethylene fibers through low-energy ion flow surface modification: experimental evidence. Journal of Clothing Science. 2025; 10(3). Available at: https://kostumologiya.ru/PDF/02TLKL325.pdf (in Russian).

Enhancing the adhesion potential of ultra-high molecular weight polyethylene fibers through low-energy ion flow surface modification: experimental evidence

Sharifullin Farid Saidovich
Kazan National Research Technological University, Kazan, Russia
E-mail: sharifullin80@mail.ru
ORCID: https://orcid.org/0009-0006-6903-7436
RSCI: https://elibrary.ru/author_profile.asp?id=177543

Sagitova Farida Ravilevna
Kazan National Research Technological University, Kazan, Russia
E-mail: farida_sagitova@mail.ru
ORCID: https://orcid.org/0009-0008-9746-4341
RSCI: https://elibrary.ru/author_profile.asp?id=53190

Abstract. This paper presents the results of a comprehensive investigation into the structure of ultra-high-molecular-weight polyethylene fibers before and after exposure to low-energy ion flux, generated under radio-frequency discharge at reduced pressure. Special attention is paid to the geometric and topological parameters obtained via X-ray computed tomography. Although the total fiber volume within a defined area remained constant, significant changes were observed in the surface area and specific surface metrics. Plasma treatment led to an increase in the specific surface area of the fibers without substantial changes in their physical properties such as density and linear density. Gravimetric analysis revealed mass redistribution along the fiber length, attributed to surface restructuring and local grafting of functional groups. These changes are interpreted as factors contributing to enhanced adhesion potential of fibers when used as reinforcement in composite materials. The observed trends provide promising prospects for developing high-strength and wear-resistant polymer composites for both medical and technical applications. The practical value of the findings lies in the ability to achieve controlled surface modification without compromising the volumetric integrity of the fibers, which is particularly important in the design of advanced reinforced structures. This study demonstrates the potential of treatment as a promising tool in the engineering of fibrous reinforcement components.

Keywords: ultra-high-molecular-weight polyethylene fibers; ion modification; X-ray computed tomography; specific surface area; composite materials; gravimetry; fiber density; linear density

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