Mechanical properties of recycled polymer composites made from side-stream materials from different industries

Anna Keskisaari, Timo Kärki, Tommi Vuorinen

Research output: Contribution to journalArticleScientificpeer-review

Abstract

This study examines the mechanical properties of thermoplastic polymer composites manufactured by utilizing different side-stream materials as fillers. Two composites were manufactured from side-stream materials from the construction industry, two were manufactured from side-stream materials from the paper industry, and one was manufactured from side-stream materials from a coating factory. The matrix polymer used in the composites originated from recycling facility. The side-stream materials were used as fillers. One composite was manufactured as a reference by using wood-fiber as the filler. The tensile properties and impact strength were tested. The materials were also observed with a scanning electron microscope. Compared to the reference material, tensile strength and modulus decreased in all cases except for the sludge from the paper industry. The sludge also improved the impact strength remarkably, as the impact strength with the stone wool and stone dust from the construction industry remained the same, while the values were weakened for the others. Scanning electron microscope images showed that powder coating waste from the coating factory increased porosity and, thus, decreased the density of the material.
Original languageEnglish
Article number6054
JournalSustainability
Volume11
Issue number21
DOIs
Publication statusPublished - 1 Nov 2019
MoE publication typeA1 Journal article-refereed

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mechanical property
polymer
Mechanical properties
industry
Composite materials
Polymers
Industry
Impact strength
paper industry
Fillers
coating
construction industry
Construction industry
factory
Industrial plants
Electron microscopes
sludge
Scanning
electron
Coatings

Keywords

  • Industrial side-streams
  • Mechanical properties
  • Polymer composite
  • Recycling

Cite this

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abstract = "This study examines the mechanical properties of thermoplastic polymer composites manufactured by utilizing different side-stream materials as fillers. Two composites were manufactured from side-stream materials from the construction industry, two were manufactured from side-stream materials from the paper industry, and one was manufactured from side-stream materials from a coating factory. The matrix polymer used in the composites originated from recycling facility. The side-stream materials were used as fillers. One composite was manufactured as a reference by using wood-fiber as the filler. The tensile properties and impact strength were tested. The materials were also observed with a scanning electron microscope. Compared to the reference material, tensile strength and modulus decreased in all cases except for the sludge from the paper industry. The sludge also improved the impact strength remarkably, as the impact strength with the stone wool and stone dust from the construction industry remained the same, while the values were weakened for the others. Scanning electron microscope images showed that powder coating waste from the coating factory increased porosity and, thus, decreased the density of the material.",
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Mechanical properties of recycled polymer composites made from side-stream materials from different industries. / Keskisaari, Anna; Kärki, Timo; Vuorinen, Tommi.

In: Sustainability, Vol. 11, No. 21, 6054, 01.11.2019.

Research output: Contribution to journalArticleScientificpeer-review

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