STUDY OF FAST ELECTRON IRRADIATION EFFECT ON THE STRUCTURE AND SURFACE OF POLYAMIDE/ POLYETHYLENE/ETHYLENE VINYL ACETATE FILM MATERIAL USING THE UELR 10-10-40 PLANT
Abstract
Radiation effect on the PA/PE/Eva film material with a thickness of 55 μm was investigated at theBurnazyanCenterusing radiation processing plant (RPP) with the UELR‑10–10–40 accelerator at 10 MeV. Polymer films were irradiated with doses of 0 to 18 kGy. The study of IR spectra showed that when processing the PA/PE/Eva film with fast electrons with a dose of up to 18 kGy using the UELR10–10–40 plant with a power of 10 MeV the number of functional -CH3 and -NHgroups in the IR spectra changes to 0.0060 relative units with radiation doses of 12 to 18 kGy, which leads to degradation of the sample and its crosslinking simultaneously. Using confocal laser microscopy, it was demonstrated that after irradiation of PA/PE/Eva sample with doses of 18 kGy, the surface of the film becomes smooth in РА layer and in Eva layer, and a spot thinning of the sample occurs. These characteristics may cause a change in the barrier properties of the film material and affect the shelf life of food in a packaging.
About the Authors
V. T. Tarasyuk
All-Russian Research Institute of Canning Technology — Branch of V.M. Gorbatov Federal Research Center for Food Systems of RAS
Russian Federation
Russian Federation
Tarasyuk Venera Tahirovna — candidate of сhemistry sciences, leading research scientist, Department of application of containers in the canning industry
142703, Moscow region, Vidnoe, Skolnaya str., 78
N. E. Strokova
M.V. Lomonosov Moscow State University
Russian Federation
Russian Federation
Natalia E. Strokova — junior research scientist, Research laboratory of KGE, Chemistry Department
119991, Moscow, Leninskie gory, 1, building 3
N. A. Sazhnev
A.N. Kosygin Russian State University
Russian Federation
Russian Federation
Nikita A. Sazhnev — graduate student, engineer Department of Chemistry and Technology of Polymer Materials and Nanocomposites
117997, Moscow, Sadovnicheskaya Str. 33
A. V. Prokopenko
All-Russian Research Institute of Canning Technology — Branch of V.M. Gorbatov Federal Research Center for Food Systems of RAS
Russian Federation
Russian Federation
Aleksandr V. Prokopenko — candidate of technical sciences, docent, leading researcher scientist laboratory processes and equipment canning production
142703, Moscow region, Vidnoe, Skolnaya str., 78
N. R. Kil’deeva
A.N. Kosygin Russian State University
Russian Federation
Russian Federation
Nataliya R. Kil’deeva — doctor of chemistry sciences, professor, Head of the Department of Chemistry and Technology of Polymer Materials and Nanocomposites
117997, Moscow, Sadovnicheskaya Str. 33
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For citation:
Tarasyuk V.T., Strokova N.E., Sazhnev N.A., Prokopenko A.V., Kil’deeva N.R. STUDY OF FAST ELECTRON IRRADIATION EFFECT ON THE STRUCTURE AND SURFACE OF POLYAMIDE/ POLYETHYLENE/ETHYLENE VINYL ACETATE FILM MATERIAL USING THE UELR 10-10-40 PLANT. Food systems. 2018;1(4):10-18. (In Russ.) https://doi.org/10.21323/2618-9771-2018-1-4-10-18
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