Formulation, Characterization and Optimization of the Processing Condition of Blends of Recycled Polyethylene and Ground Tire Rubber: Mechanical and Rheological Analysis

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Abstract

Recycling represents a valid alternative to the disposal of post-consumer plastics in common landfills if it is possible to obtain new materials with good final properties compatible with practical application and, above all, by using cheap methods. In this work the possibility to produce secondary materials by blending recycled polyethylene (RPE) coming from greenhouses and postconsumer ground tyre rubber (GTR) has been studied. In particular, the preparation of these blends has been carried out in a common industrial twin screw extruder. RPE pellets and GTR powder were fed to the extruder without any other additive. Temperature, processing speed, mixing procedure and composition were changed in order to study the influence of these parameters on the rheological and mechanical properties. The results indicate that the blends show fairly good properties provided that a relatively low concentration of GTR and proper thermal conditions are adopted. A filler-like effect due to the partial carbonization of the GTR phase has also been shown especially at the highest processing temperature. 2005 Elsevier Ltd. All rights reserved.
Lingua originaleEnglish
pagine (da-a)281-287
RivistaPolymer Degradation and Stability
Volume90
Stato di pubblicazionePublished - 2005

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tires
greenhouses
Greenhouses
Polyethylene
rubber
Tires
Polyethylenes
polyethylenes
formulations
optimization
Extruders
Processing
landfills
disposal
screws
recycling
Land fill
fillers
pellets
Waste disposal

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Materials Chemistry
  • Polymers and Plastics
  • Mechanics of Materials

Cita questo

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title = "Formulation, Characterization and Optimization of the Processing Condition of Blends of Recycled Polyethylene and Ground Tire Rubber: Mechanical and Rheological Analysis",
abstract = "Recycling represents a valid alternative to the disposal of post-consumer plastics in common landfills if it is possible to obtain new materials with good final properties compatible with practical application and, above all, by using cheap methods. In this work the possibility to produce secondary materials by blending recycled polyethylene (RPE) coming from greenhouses and postconsumer ground tyre rubber (GTR) has been studied. In particular, the preparation of these blends has been carried out in a common industrial twin screw extruder. RPE pellets and GTR powder were fed to the extruder without any other additive. Temperature, processing speed, mixing procedure and composition were changed in order to study the influence of these parameters on the rheological and mechanical properties. The results indicate that the blends show fairly good properties provided that a relatively low concentration of GTR and proper thermal conditions are adopted. A filler-like effect due to the partial carbonization of the GTR phase has also been shown especially at the highest processing temperature. 2005 Elsevier Ltd. All rights reserved.",
author = "{La Mantia}, {Francesco Paolo} and Nocilla, {Maria Ausilia} and Roberto Scaffaro and Dintcheva, {Nadka Tzankova}",
year = "2005",
language = "English",
volume = "90",
pages = "281--287",
journal = "Polymer Degradation and Stability",
issn = "0141-3910",
publisher = "Elsevier Limited",

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TY - JOUR

T1 - Formulation, Characterization and Optimization of the Processing Condition of Blends of Recycled Polyethylene and Ground Tire Rubber: Mechanical and Rheological Analysis

AU - La Mantia, Francesco Paolo

AU - Nocilla, Maria Ausilia

AU - Scaffaro, Roberto

AU - Dintcheva, Nadka Tzankova

PY - 2005

Y1 - 2005

N2 - Recycling represents a valid alternative to the disposal of post-consumer plastics in common landfills if it is possible to obtain new materials with good final properties compatible with practical application and, above all, by using cheap methods. In this work the possibility to produce secondary materials by blending recycled polyethylene (RPE) coming from greenhouses and postconsumer ground tyre rubber (GTR) has been studied. In particular, the preparation of these blends has been carried out in a common industrial twin screw extruder. RPE pellets and GTR powder were fed to the extruder without any other additive. Temperature, processing speed, mixing procedure and composition were changed in order to study the influence of these parameters on the rheological and mechanical properties. The results indicate that the blends show fairly good properties provided that a relatively low concentration of GTR and proper thermal conditions are adopted. A filler-like effect due to the partial carbonization of the GTR phase has also been shown especially at the highest processing temperature. 2005 Elsevier Ltd. All rights reserved.

AB - Recycling represents a valid alternative to the disposal of post-consumer plastics in common landfills if it is possible to obtain new materials with good final properties compatible with practical application and, above all, by using cheap methods. In this work the possibility to produce secondary materials by blending recycled polyethylene (RPE) coming from greenhouses and postconsumer ground tyre rubber (GTR) has been studied. In particular, the preparation of these blends has been carried out in a common industrial twin screw extruder. RPE pellets and GTR powder were fed to the extruder without any other additive. Temperature, processing speed, mixing procedure and composition were changed in order to study the influence of these parameters on the rheological and mechanical properties. The results indicate that the blends show fairly good properties provided that a relatively low concentration of GTR and proper thermal conditions are adopted. A filler-like effect due to the partial carbonization of the GTR phase has also been shown especially at the highest processing temperature. 2005 Elsevier Ltd. All rights reserved.

UR - http://hdl.handle.net/10447/23986

M3 - Article

VL - 90

SP - 281

EP - 287

JO - Polymer Degradation and Stability

JF - Polymer Degradation and Stability

SN - 0141-3910

ER -