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The polymer material (РА/РЕ/Eva) with a width of 55 μm was studied. Sterilization was carried out on the unit GU–200 at doses from 3 to 18 kGy in the Research Institute of Technical Physics and Automation, Rosatom, Moscow, Russia. The structure of the polymer
material samples was studied by IR spectroscopy before and after irradiation in a range of 400–5000 сm–1. According to the results of the analysis of the IR spectrum structure, the changes in the structure were insignificant upon irradiation at doses up to 6 kGy. Upon irradiation at doses from 9 kGy and higher, an increase in quantity of ester groups (2340 сm–1) and insignificant increase in other functional groups were observed, which can suggest a simultaneous process of intra-molecular cross-linking with the intermediate
stage of cross-linking occurring with formation of vinylene groups. This causes destruction of a polymer material and radiation oxidation. These disorders can lead to changes in physico-mechanical and barrier parameters of a polymer material, which can be notably reflected in the shelf life of agricultural products.

About the Authors

V. T. Tarasyuk
Russian Research Institute of Canning Technology
Russian Federation
candidate of сhemistry sciences, leading research scientist, Department of packaging

V. P. Filippovich
Russian Research Institute of Canning Technology
Russian Federation
senior research scientist of the laboratory processes and equipment of canning production

A. V. Prokopenko
National Research Nuclear University «Moscow Engineering Physics Institute»
Russian Federation
candidate of technical sciences, docent , docent of the Department of electrophysical equipment

N. E. Strokova
M.V. Lomonosov Moscow State University
Russian Federation
junior research scientist, Research laboratory of KGE, Chemistry Department

A. V. Egorkin
Research Institute of Technical Physics and Automation, Rosatom
Russian Federation
director of the branch

A. V. Chasovskikh
Research Institute of Technical Physics and Automation, Rosatom
Russian Federation
head of the laboratory


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For citations:

Tarasyuk V.T., Filippovich V.P., Prokopenko A.V., Strokova N.E., Egorkin A.V., Chasovskikh A.V. STUDY STRUCTURE OF THREE-COMPONENT POLYMERIC MATERIAL UNDER INFLUENCE OF γ-IRRADIATION. Theory and practice of meat processing. 2017;2(2):37-42.

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