Functionalization of Polypropylene Subjected to Gamma-Irradiation and Postradiation High-Temperature Shear Grinding and Its Toxic Properties
High Energy Chemistry, ISSN: 1608-3148, Vol: 58, Issue: 4, Page: 389-395
2024
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Article Description
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 BDF mice.
Bibliographic Details
Pleiades Publishing Ltd
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