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Mechanical and Ther...
Mechanical and Thermal Properties of Mixed PE Fractions from Post-Consumer Plastic Packaging Waste
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- Boz Noyan, Ezgi Ceren, 1990 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Venkatesh, Abhijit, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Boldizar, Antal, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2022-12-01
- 2022
- English.
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In: ACS Omega. - : American Chemical Society (ACS). - 2470-1343. ; 7:49, s. 45181-45188
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Abstract
Subject headings
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- The functional properties of recycled post-consumer flexible polyethylene packaging waste have been studied using materials collected and sorted at a large-scale facility in Sweden. The studied fraction was used both as received and after simple laboratory washing in water with added sodium hydroxide at 40 °C. The materials were melt-compounded with a twin-screw extruder using two different temperature profiles and two screw configurations and injection-molded into slabs, whose thermal and mechanical properties were assessed. The results showed that the mechanical properties of injection-molded samples were not changed significantly either by the washing or by the temperature or screw configuration used in the compounding. Washing reduced the viscosity and molecular mass to a minor extent. As expected, the ash content of the compounded pellets was reduced by washing. The thermo-oxidative stability decreased with increasing compounding temperature and with washing.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
Keyword
- mechanical properties
- polyethylene
- plastics recycling
- post-consumer plastic packaging waste
- degradation
Publication and Content Type
- art (subject category)
- ref (subject category)
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