Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 78: Issue 3
Thermal properties of polypropylene post-consumer waste (PP PCW)
Authors:
J. Majumdar School of Civil and Chemical Engineering RMIT University GPO Box 2476V Melbourne, Victoria Australia 3001 E-mail RMIT University GPO Box 2476V Melbourne, Victoria Australia 3001 E-mail

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F. Cser Rheology and Materials Processing Centre RMIT University GPO Box 2476V Melbourne, Victoria 3001 Australia RMIT University GPO Box 2476V Melbourne, Victoria 3001 Australia

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M. Jollands School of Civil and Chemical Engineering RMIT University GPO Box 2476V Melbourne, Victoria Australia 3001 E-mail RMIT University GPO Box 2476V Melbourne, Victoria Australia 3001 E-mail

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R. Shanks Department of Applied Chemistry RMIT University GPO Box 2476V Melbourne, Victoria Australia 3001 RMIT University GPO Box 2476V Melbourne, Victoria Australia 3001

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Pages:
849–863
Online Publication Date:
13 Jan 2005
Publication Date:
01 Dec 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-004-0453-0
Keywords:
enthalpy; polypropylene; MDSC; heat capacity; recycling; contamination
Restricted access

Abstract  

Differential scanning calorimetry has been used to study the heat flow during melting and crystallisation of a range of polypropylene post-consumer waste (PP PCW) grades and blends. The heat flow curves and the heat capacity curves indicated that the PP PCW grades and blends contained contaminants even after manual sorting and a cleaning process. The enthalpies of the PP PCW grades were lower than that for the virgin grades, as a result of degradation. Small amounts of polymeric contaminants (up to 10%) did not affect the enthalpies of PP PCW although other contaminants may have had some effect. The enthalpies of the PCW blends could in general be predicted by a linear additive rule, which is of importance for recycling a variety of PP PCW products.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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