plasticnewsПластические массыPlasticheskie massy0554-2901PLASTMASSY Publishing House (Moscow)10.35164/0554-2901-2024-01-44-47plasticnews-958Research ArticleПРИМЕНЕНИЕAPPLICATIONОксифторированный полиэтилентерефталат для емкостей для хранения жидкостейOxyfl uorinated polyethylene terephthalate for liquid storage containersЗахароваВ. А.ZakharovaV. A.

Москва

Moscow

НикишинЕ. Д.NikishinE. D.

Москва

Moscow

ДедовА. В.DedovA. V.

Москва

Moscow

dedovs55@rambler.ruРоссийский государственный университет имени А.Н. КосыгинаРоссияRussian State University named after A.N. KosyginRussian FederationМосковский политехнический университетРоссияMoscow Polytechnic UniversityRussian Federation202416032024014447Copyright © Захарова В.А., Никишин Е.Д., Дедов А.В., 20242024Захарова В.А., Никишин Е.Д., Дедов А.В.Zakharova V.A., Nikishin E.D., Dedov A.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.plastics-news.ru/jour/article/view/958

Исследована эффективность поверхностной модификации полиэтилентерефталата смесью фтора и кислорода для снижения проницаемости по воде и водным растворам этанола. Получили снижение коэффициента проницаемости модифицированной пленки по воде и растворам этанола, степень снижения коэффициента проницаемости зависит от химического состава жидкости. Оксифторирование приводит к получению модифицированной пленки с повышенным по сравнению с исходной пленкой коэффициентом диффузии жидкости в пленке, что связано с формированием локальных дефектов, образование которых подтверждено микрофотографиями атомно-силового микроскопа и измерением шероховатости поверхности исходных и модифицированных пленок.

The effectiveness of surface modification of polyethylene terephthalate with a mixture of fluorine and oxygen to reduce the permeability to water and aqueous ethanol solutions has been studied. We obtained a decrease in the permeability coefficient of the modified fi lm for water and ethanol solutions, the degree of decrease in the permeability coefficient depends on the chemical composition of the liquid. Oxyfluorination leads to the production of a modified fi lm with an increased liquid diffusion coefficient compared to the original fi lm, which is associated with the formation of local defects which is confirmed by micrographs made with of an atomic force microscope and by measuring the surface roughness of the original and modified films.

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The authors declare that there are no conflicts of interest present.