scholarly journals Technological features of polymer blends processing on the basis of ultra-high molecular weight polyethylene

2018 ◽  
Vol 1 (1) ◽  
pp. 127-132
Author(s):  
М. M. Bratychak ◽  
◽  
N. V. Chopyk ◽  
V. M. Zemke ◽  
◽  
...  
Keyword(s):  
Molecular Weight ◽  
Polymer Blends ◽  
High Molecular Weight ◽  
Ultra High Molecular Weight

scholarly journals The Features of Rheological and Tribological Behavior of High-Viscosity Polyolefine Compositions Depending on Their Content

2021 ◽  
Vol 15 (4) ◽  
pp. 486-492
Author(s):  
Mykhailo Bratychak Jr ◽  
◽  
Victoria Zemke ◽  
Natalia Chopyk ◽  
◽  
...  
Keyword(s):  
Molecular Weight ◽  
Friction Coefficient ◽  
Injection Molding ◽  
Polymer Blends ◽  
High Molecular Weight ◽  
Tribological Behavior ◽  
High Viscosity ◽  
Energy Costs ◽  
Technological Properties ◽  
Ultra High Molecular Weight

The influence of additive nature as well as its ratio on the rheological, tribological and technological properties of blends based on ultra-high molecular weight polyethylene has been determined. The energy costs impact in the polymer blends processing has been studied. It is shown that the rheological and tribological properties of the samples have a complicated dependence, which is determined by inhomogeneity of the system. The paper takes into consideration the influence of the friction coefficient of material and the viscosity of its melt on energy costs during processing by injection molding or extrusion

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