V. А. Sharapova, V. P. Shveykin, I.G. Margamov, V. Yu. Ivanov, O. V. Ryabukhin
INFRARED SPECTROSCOPY FOR EVALUATING THE EFFECT OF ELECTRON BEAM STERILIZATION ON POLYETHYLENE TEREPHTHALATE MEDICAL TUBES
DOI: 10.17804/2410-9908.2024.2.061-068 The paper studies the effect of electron beam sterilization on the polyethylene terephthalate parts of blood sampling systems. The structural state and crystallinity degree of polyethylene terephthalate are estimated from the analysis of infrared spectra. Relative intensities are calculated by the reference band (overall intensity level) at 1410 cm−1. The Gaussian intensities of the absorption bands for trans and gauche conformations with respect to reference band at 1505 cm–1 are calculated. The spectral coefficients D973/D795, D848/D795, D1042/D795, D895/D795, D1098/D1370, and D1255/D1370 are determined. The dose of up to 25 kGy has no significant effect on either the ratio of integral intensities or the ratio of trans and gauche conformations.
Acknowledgement: The work was supported by the IAEA, contract CRP F23035. Keywords: polymers, irradiation embrittlement, infrared (IR) spectroscopy References:
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В. А. Шарапова, В. П. Швейкин, И. Г. Маргамов, В. Ю. Иванов, О. В. Рябухин
ИНФРАКРАСНАЯ СПЕКТРОСКОПИЯ ДЛЯ ОЦЕНКИ ВОЗДЕЙСТВИЯ ЭЛЕКТРОННО-ЛУЧЕВОЙ СТЕРИЛИЗАЦИИ НА МЕДИЦИНСКИЕ ПРОБИРКИ ИЗ ПОЛИЭТИЛЕНТЕРЕФТАЛАТА
В статье рассмотрено влияние электронно-лучевой стерилизации на полиэтилентерефталатные (ПЭТФ) части систем забора крови. Оценку структурного состояния и степени кристалличности ПЭТФ проводили на основе анализа инфракрасных (ИК) спектров. Относительные интенсивности полос поглощения рассчитывались по реперной полосе (общий уровень интенсивности) при 1410 см−1. Получено гауссовское распределение интенсивности полос поглощения для транс- и гош-конформаций относительно реперной полосы 1505 см–1. Определены спектральные коэффициенты D973/D795, D848/D795, D1042/D795, D895/D795, D1098/D1370, D1255/D1370. Доза стерилизующего излучения до 25 кГр не оказывает существенного влияния ни на соотношение интегральных интенсивностей, ни на соотношение транс- и гош-конформаций.
Благодарность: Работа выполнена при поддержке МАГАТЭ по контракту CRP F23035. Ключевые слова: полимеры; радиационное охрупчивание; инфракрасная (ИК) спектроскопия Библиография:
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- Liu J., Koenig J. L. Data processing techniques to extract pure-component spectra from mixture spectra and their application to polymeric systems // Analytical Chemistry. – 1987. – Vol. 59 (21). – P. 2609–2615. DOI: 10.1021/ac00148a017.
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- Structural-morphological characteristics and properties of fluorine-containing surface-modified poly(ethilene terephthalate) films / S. V. Kudashev, V. N. Arisova, T. I. Danilenko, V. F. Zheltobryukhov, U. R. Urmantsev, B. V. Tabaev // Protection of Metals and Physical Chemistry of Surfaces. – 2015. – Vol. 51 (1). – Р. 106–111. – DOI: 10.1134/S2070205114050098.
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- Effects of electron beam sterilization on polyethylene terephthalate: physico-chemical modifications and formation of non-volatile organic extractables / F. Caire-Maurisier, C. Aymes-Chodur, V. Jandard, A. Bourrel, N. Yagoubi // Annales Pharmaceutiques Françaises. – 2019. – Vol. 77 (4). – Р. 276–285. – DOI: 10.1016/j.pharma.2019.02.001.
Библиографическая ссылка на статью
Infrared Spectroscopy for Evaluating the Effect of Electron Beam Sterilization on Polyethylene Terephthalate Medical Tubes / V. А. Sharapova, V. P. Shveykin, I.G. Margamov, V. Yu. Ivanov, O. V. Ryabukhin // Diagnostics, Resource and Mechanics of materials and structures. -
2024. - Iss. 2. - P. 61-68. - DOI: 10.17804/2410-9908.2024.2.061-068. -
URL: http://dream-journal.org/issues/2024-2/2024-2_441.html (accessed: 30.12.2024).
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