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Mathematical Derivation of Transporting Behaviors of Polymers in Micro-Screw Extrusion Molding

12 December 2023, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

This study derived the transporting behavior of polymers in micro-screw extrusion molding. First, the transporting of polymer solids (performed in the first zone of screw) was derived and discussed, then the transporting of polymeric melts (performed in the third zone of screw) was derived with a novel helix-cylinder model, the velocity, flow rate, shear rate and shear stress were investigated and discussed.

Keywords

Extrusion molding
Polymer melt
Boundary factor
Shear rate
Shear stress

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Version History

Dec 12, 2023 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2023-g5mz4
D O I: 10.26434/chemrxiv-2023-g5mz4 [opens in a new tab]

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) declare that they have sought and gained approval from the relevant ethics committee/IRB for this research and its publication.

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