Effect of processing conditions on wood and glass fiber length attrition during twin screw composite compounding

Alan Dickson (Corresponding Author), Laura Teuber, Marc Gaugler, David Sandquist

Research output: Contribution to journalArticleScientificpeer-review

Abstract

In this study, we compare the effect of twin-screw extrusion processing on the attrition of wood fibers (WFs) with glass fiber. The effects of process variables and screw design on fiber length were investigated by performing a range of dead-stop experiments where the extruder was stopped, opened-up, and compound removed from the screw elements. Fibers, chemically extracted from the polypropylene matrix, were analyzed for length and width using a commercial fiber analyzer. It was found that WF length attrition and composite properties were less affected by screw design and twin-screw processing conditions (feed rate and screw speed) than glass fiber. Length weighted fiber length and X50 length (a measure used in particle size analysis) were equally correlated with process conditions and composite performance for both fiber types.
Original languageEnglish
Article number48551
JournalJournal of Applied Polymer Science
DOIs
Publication statusE-pub ahead of print - 4 Oct 2019
MoE publication typeA1 Journal article-refereed

Fingerprint

Glass fibers
Wood
Fibers
Composite materials
Processing
Polypropylenes
Extruders
fiberglass
Particle size analysis
Extrusion
Experiments

Keywords

  • cellulose and other wood products
  • composites
  • extrusion
  • fibers

Cite this

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abstract = "In this study, we compare the effect of twin-screw extrusion processing on the attrition of wood fibers (WFs) with glass fiber. The effects of process variables and screw design on fiber length were investigated by performing a range of dead-stop experiments where the extruder was stopped, opened-up, and compound removed from the screw elements. Fibers, chemically extracted from the polypropylene matrix, were analyzed for length and width using a commercial fiber analyzer. It was found that WF length attrition and composite properties were less affected by screw design and twin-screw processing conditions (feed rate and screw speed) than glass fiber. Length weighted fiber length and X50 length (a measure used in particle size analysis) were equally correlated with process conditions and composite performance for both fiber types.",
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Effect of processing conditions on wood and glass fiber length attrition during twin screw composite compounding. / Dickson, Alan (Corresponding Author); Teuber, Laura; Gaugler, Marc; Sandquist, David.

In: Journal of Applied Polymer Science, 04.10.2019.

Research output: Contribution to journalArticleScientificpeer-review

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