The Rheological Behavior of Powder–Polymer Blends and Model Description of Feedstock Viscosity for Numerical Simulation of the Injection Molding Process

This work is devoted to the study of the rheological behavior of a powder–polymer composition prepared for use in injection molding technology. A review of the models used to describe the rheological behavior of slurries is presented. Viscosity was studied on a capillary rheometer with different cap...

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Bibliographic Details
Published in:Polymer science. Series D, Glues and sealing materials Glues and sealing materials, 2022, Vol.15 (4), p.701-708
Main Authors: Kutsbakh, A. A., Muranov, A. N., Semenov, A. B., Semenov, B. I.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Injection molding
Mathematical models
Polymer blends
Polymer Sciences
Polymers
Polyolefins
Raw materials
Rheological properties
Slurries
Viscosity
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Summary:This work is devoted to the study of the rheological behavior of a powder–polymer composition prepared for use in injection molding technology. A review of the models used to describe the rheological behavior of slurries is presented. Viscosity was studied on a capillary rheometer with different capillary diameters using MIM-4140 feedstock with a wax–polyolefin binder as an example. Empirical coefficients of viscosity models are determined. Verification of the calculated values of the viscosity of the studied feedstock and experimental data is presented.
ISSN:1995-4212
1995-4220
DOI:10.1134/S1995421222040438