An experimental study on shear stress characteristics of polymers in single-screw extruders

Atakan Altinkaynak*, Mahesh Gupta, Mark A. Spalding, Sam L. Crabtree

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

Frictional forces (for temperatures less than melting or devitrification temperature) and viscous forces (for higher temperatures) have important roles on solids conveying and melting processes in single-screw, plasticating extruders. These forces are related to the shear stresses at polymer-metal interfaces. This paper presents the shear stresses and melting fluxes at four sliding velocities and at temperatures ranging from ambient temperature to 230°C for LDPE, ABS, HIPS, and LLDPE resins at a fixed pressure of 0.7 MPa.

Original languageEnglish
Title of host publicationSociety of Plastics Engineers Annual Technical Conference
Subtitle of host publicationPlastics Encounter at ANTEC 2007, Conference Proceedings
Pages394-398
Number of pages5
Publication statusPublished - 2007
Externally publishedYes
EventSociety of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007 - Cincinnati, OH, United States
Duration: 6 May 200711 May 2007

Publication series

NameAnnual Technical Conference - ANTEC, Conference Proceedings
Volume1

Conference

ConferenceSociety of Plastics Engineers Annual Technical Conference: Plastics Encounter at ANTEC 2007
Country/TerritoryUnited States
CityCincinnati, OH
Period6/05/0711/05/07

Keywords

  • Friction
  • Melting
  • Single-screw extrusion
  • Solids conveying

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