Changes in UHMWPE Morphology and Structure after Irradiation with an Electron Beam and Thermal Treatment

Joanna Maszybrocka; Jerzy Cybo; Adrian Barylski; Piotr Czaja

doi:10.4028/www.scientific.net/SSP.199.538

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HomeSolid State PhenomenaSolid State Phenomena Vol. 199Changes in UHMWPE Morphology and Structure after...

Changes in UHMWPE Morphology and Structure after Irradiation with an Electron Beam and Thermal Treatment

Abstract:

The paper presents changes in UHMWPE morphology and structure induced by exposure to a beam of electrons and thermal processing applied after the modification through irradiation. Two groups of samples were tested: those that underwent modification through irradiation only and those that underwent a sequential process which consisted of radiation modification and thermal processing. The obtained variants were subjected to comprehensive morphological and structural tests, which made it possible to: document changes in the lamellar structure (SEM); determine the content of crystalline phase (DSC); determine the degree and density of crosslinking; state the degree of polymer oxidation (FTIR); examine the influence of the irradiation dose on the intensity of free radicals occurrence (EPR) and to determine the effectiveness of their elimination using recrystallisation in an oxygen-free environment.

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Periodical:

Solid State Phenomena (Volume 199)

Pages:

538-543

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.199.538

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Online since:

March 2013

Authors:

Joanna Maszybrocka, Jerzy Cybo, Adrian Barylski, Piotr Czaja

Keywords:

Crosslinking Density, Degree of Crystallinity, Electron Beam Irradiation, Free Radical, Lamellar Structure, Oxidation, Thermal Processing, UHMWPE

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