U. Yu. Allayarova, S. R. Allayarov, S. V. Demidov, R. K. Baimuratova, S. D. Chekalina, D. V. Mishchenko, E. N. Klimanova, A. B. Abdusalamov, D. A. Dixon
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Functionalization of Polypropylene Subjected to Gamma-Irradiation and Postradiation High-Temperature Shear Grinding and Its Toxic Properties
Abstract
The results of a Fourier-transform IR spectroscopic study of polypropylene (PP) subjected to gamma-irradiation and post-irradiation high-temperature shear grinding are presented. The IR spectra of PP granules irradiated in air exhibited absorption peaks of hydroxyl and oxygen-containing groups, the intensity of which noticeably decreased in the powder obtained by grinding the irradiated polymer granules. The toxic properties of PP obtained by high-temperature shear grinding of irradiated polymer granules were investigated. It was found that gamma-irradiation of polymer granules in air did not affect the toxic properties of polymer powder obtained by grinding granules irradiated with a dose of 700−4500 kGy. It was established that PP powder obtained from unirradiated and irradiated granules was a moderately toxic substance when administered intragastrically to BDF1 mice.
期刊介绍：
High Energy Chemistry publishes original articles, reviews, and short communications on molecular and supramolecular photochemistry, photobiology, radiation chemistry, plasma chemistry, chemistry of nanosized systems, chemistry of new atoms, processes and materials for optical information systems and other areas of high energy chemistry. It publishes theoretical and experimental studies in all areas of high energy chemistry, such as the interaction of high-energy particles with matter, the nature and reactivity of short-lived species induced by the action of particle and electromagnetic radiation or hot atoms on substances in their gaseous and condensed states, and chemical processes initiated in organic and inorganic systems by high-energy radiation.
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