Abstract
The article presents the results of a study of the rheological behavior of binary composites based on serial polyethylene grade LDPE 15803-020 with different content of microcellulose grade Filtracell, in a wide range of temperatures and shear rates during deformation through a capillary diameter of 1 mm and a length of 5 and 30 mm. Stable flow regime is manifested in the temperature range from 160 to 200°C for composites containing microcellulose in an amount of 30 wt.%, and its partial replacement with spent microcellulose (waste production of vegetable oils) can reduce the effective viscosity to 25%, but the upper limit of the temperature range is limited to the exudation of impurities (190°C). The Bagley correction is carried out, the coefficients of the equations describing the dependences of the true shear stress, regardless of the capillary length, are calculated.
Highlights
ФГБОУ ВО «Воронежский государственный университет инженерных технологий» (ВГУИТ), Воронеж, Россия Federal State Budget Educational Institution of Higher Education «Voronezh State University of Engineering Technologies»
Ключевые слова: полиэтилен, микроцеллюлоза, композит, реологические свойства The article presents the results of a study of the rheological behavior of binary composites based on serial polyethylene grade LDPE 15803-020 with different content of microcellulose grade Filtracell, in a wide range of temperatures and shear rates during deformation through a capillary diameter of 1 mm and a length of 5 and 30 mm
Stable flow regime is manifested in the temperature range from 160 to 200°C for composites containing microcellulose in an amount of 30 wt.%, and its partial replacement with spent microcellulose can reduce the effective viscosity to 25%, but the upper limit of the temperature range is limited to the exudation of impurities (190°C)
Summary
ФГБОУ ВО «Воронежский государственный университет инженерных технологий» (ВГУИТ), Воронеж, Россия Federal State Budget Educational Institution of Higher Education «Voronezh State University of Engineering Technologies» В статье приведены результаты исследования реологического поведения бинарных композитов на основе серийного полиэтилена марки ПВД 15803-020 с различным содержанием микроцеллюлозы марки Filtracell в диапазоне температур и скоростей сдвига при деформировании через капилляр диаметром 1 мм и длиной 5 и 30 мм. Ключевые слова: полиэтилен, микроцеллюлоза, композит, реологические свойства The article presents the results of a study of the rheological behavior of binary composites based on serial polyethylene grade LDPE 15803-020 with different content of microcellulose grade Filtracell, in a wide range of temperatures and shear rates during deformation through a capillary diameter of 1 mm and a length of 5 and 30 mm. Применение отработанной микроцеллюлозы (ОМЦ) отхода стадии винтеризации производства рафинированных и дезодорированных растительных масел, образующейся при их фильтровании через чистую микроцеллюлозу, привлекательно для модификации «экокомпозитов» с заданными свойствами, т.к. Цель работы изучение реологического поведения бинарной композиции на основе ПЭ с различным содержанием МЦ, а также с частичной заменой МЦ на ОМЦ
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