Closed loop recycling of bottle crates using the restabilization technique

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dc.contributor.author Kartalis, CN en
dc.contributor.author Papaspyrides, CD en
dc.contributor.author Pfaendner, R en
dc.contributor.author Hoffmann, K en
dc.contributor.author Herbst, H en
dc.date.accessioned 2014-03-01T01:18:46Z
dc.date.available 2014-03-01T01:18:46Z
dc.date.issued 2003 en
dc.identifier.issn 1438-7492 en
dc.identifier.uri http://hdl.handle.net/123456789/15182
dc.subject Closed loop recycling en
dc.subject HDPE bottle crates en
dc.subject Plastics recycling en
dc.subject Restabilization en
dc.subject Stabilizers en
dc.subject.classification Materials Science, Multidisciplinary en
dc.subject.classification Polymer Science en
dc.subject.other Aging of materials en
dc.subject.other Extrusion en
dc.subject.other High density polyethylenes en
dc.subject.other Impact testing en
dc.subject.other Plastic bottles en
dc.subject.other Remelting en
dc.subject.other Bottle crates en
dc.subject.other Recycling en
dc.subject.other plastic en
dc.subject.other polyethylene en
dc.subject.other polymer en
dc.subject.other article en
dc.subject.other autooxidation en
dc.subject.other chemical reaction en
dc.subject.other environmental factor en
dc.subject.other flow rate en
dc.subject.other life cycle en
dc.subject.other materials en
dc.subject.other polymerization en
dc.subject.other recycling en
dc.subject.other technology en
dc.subject.other temperature en
dc.subject.other tensile strength en
dc.subject.other thermostability en
dc.subject.other waste disposal en
dc.subject.other Aging en
dc.subject.other Bottles en
dc.subject.other Extrusion en
dc.subject.other High Density Polyethylene en
dc.subject.other Impact Tests en
dc.subject.other Plastic Containers en
dc.subject.other Recycling en
dc.title Closed loop recycling of bottle crates using the restabilization technique en
heal.type journalArticle en
heal.identifier.primary 10.1002/mame.200390005 en
heal.identifier.secondary http://dx.doi.org/10.1002/mame.200390005 en
heal.language English en
heal.publicationDate 2003 en
heal.abstract A remelting-restabilization technique was applied for the recycling of post-used, yellow pigmented high density polyethylene (HPDE) bottle crates. In order to evaluate the potential of the recyclate to be used in the original application, the most important parameters were investigated: processing stability, long-term heat stability and light stability. A multiple extrusion cycles procedure at different reprocessing temperatures was performed for monitoring the processing stability of the restabilized and non-restabilized material. Oven aging was applied for about 8 800 h (i.e., more than one year) to evaluate the long term thermal stability of the crate material, as manifested by melt flow rate, tensile impact strength, and time until embrittlement measurements. To evaluate the light stability of the recycled material artificial weathering was applied for about 8 000 h, whereas the tensile impact strength was monitored. The latter data were enriched with microphotographs of the specimens surface. Finally, repigmentation was used to investigate the role of new pigments on the final performance of the recycled product. The results illustrate that restabilization is mandatory for the quality improvement of post-used crates ensuring its reuse in the original application and thus making closed loop recycling possible. [GRAPHICS] Autoxidation cycle of polymeric materials. en
heal.publisher WILEY-V C H VERLAG GMBH en
heal.journalName Macromolecular Materials and Engineering en
dc.identifier.doi 10.1002/mame.200390005 en
dc.identifier.isi ISI:000182047600004 en
dc.identifier.volume 288 en
dc.identifier.issue 2 en
dc.identifier.spage 124 en
dc.identifier.epage 136 en

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