2020
DOI: 10.32362/2410-6593-2019-14-6-104-114
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Relaxation and physicomechanical characteristics of polyethylenes with different molecular weights

Abstract: Использованные образцы соответствовали стандартно-определенным образцам для исследования на разрывной машине AL 7000 LA-5. Исследование релаксационных характеристик проводилось в двух режимах: релаксационном и ретардационном. Результаты. В результате проведения экспериментов были получены диаграммы «напряжение-деформация» при различных температурах в изотермических режимах (Т = const) и определено влияние молекулярной массы на модуль упругости, текучесть и прочность полиэтиленов. Показано, что при напряжениях,… Show more

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“…As shown in (Alekhina et al 2019;Boriev et al 2019;Gorokhovatsky et al 2020), polyethylene films demonstrate multiple relaxations, referred to as α-, β-and γ-in order of decreasing temperature of their observation. There is an α relaxation in the area of 60 °C, which is considered the most complex relaxation and involves at least two mechanisms of molecular mobility.…”
Section: Introductionmentioning
confidence: 93%
“…As shown in (Alekhina et al 2019;Boriev et al 2019;Gorokhovatsky et al 2020), polyethylene films demonstrate multiple relaxations, referred to as α-, β-and γ-in order of decreasing temperature of their observation. There is an α relaxation in the area of 60 °C, which is considered the most complex relaxation and involves at least two mechanisms of molecular mobility.…”
Section: Introductionmentioning
confidence: 93%