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Article: Impact behaviour of polypropylene/polyethylene blends

TitleImpact behaviour of polypropylene/polyethylene blends
Authors
Issue Date2000
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/polytest
Citation
Polymer Testing, 2000, v. 19 n. 2, p. 143-154 How to Cite?
AbstractDue to the large volume consumption of polyolefins, the treatment of the resulting solid waste is becoming a major concern. One possible utilization of the polyolefin wastes is to form blends from recycled polypropylene (PP) and polyethylene (PE). This study is a preliminary investigation on the impact fracture behaviour for the PP/PE blends. The impact testing method employed in this study includes the conventional and instrumented Izod impact tests, the instrumented Charpy impact test, and the instrumented drop weight plate impact test (IDWPIT). In both conventional and instrumented Izod impact testing, PP homopolymer and PP/LDPE blend have similar impact strengths, while PP/HDPE blend exhibits slightly lower impact strength. However, the instrumented Charpy impact test indicates that both PP/LDPE and PP/HDPE have similar impact strengths, and both are slightly lower than PP homopolymer. This suggests that the type of impact test employed is playing an important role in the impact fracture behaviour of the PP/PE blends. The effect of temperature on the impact fracture behaviour for the PP/PE blends was evaluated by means of the Charpy and drop weight plate impact tests. During the tests, impact strengths reduced with decreasing testing temperature. In the Charpy impact test, the impact strength for PP homopolymer was higher than those of the two PP/PE blends at both 20 and 0 °C. The Etotal measured from the IDWPIT indicated PP/LDPE has the highest impact strength at both 20 and 0 °C.
Persistent Identifierhttp://hdl.handle.net/10722/86330
ISSN
2015 Impact Factor: 2.35
2015 SCImago Journal Rankings: 0.947
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorTai, CMen_HK
dc.contributor.authorLi, RKYen_HK
dc.contributor.authorNg, CNen_HK
dc.date.accessioned2010-09-06T09:15:32Z-
dc.date.available2010-09-06T09:15:32Z-
dc.date.issued2000en_HK
dc.identifier.citationPolymer Testing, 2000, v. 19 n. 2, p. 143-154en_HK
dc.identifier.issn0142-9418en_HK
dc.identifier.urihttp://hdl.handle.net/10722/86330-
dc.description.abstractDue to the large volume consumption of polyolefins, the treatment of the resulting solid waste is becoming a major concern. One possible utilization of the polyolefin wastes is to form blends from recycled polypropylene (PP) and polyethylene (PE). This study is a preliminary investigation on the impact fracture behaviour for the PP/PE blends. The impact testing method employed in this study includes the conventional and instrumented Izod impact tests, the instrumented Charpy impact test, and the instrumented drop weight plate impact test (IDWPIT). In both conventional and instrumented Izod impact testing, PP homopolymer and PP/LDPE blend have similar impact strengths, while PP/HDPE blend exhibits slightly lower impact strength. However, the instrumented Charpy impact test indicates that both PP/LDPE and PP/HDPE have similar impact strengths, and both are slightly lower than PP homopolymer. This suggests that the type of impact test employed is playing an important role in the impact fracture behaviour of the PP/PE blends. The effect of temperature on the impact fracture behaviour for the PP/PE blends was evaluated by means of the Charpy and drop weight plate impact tests. During the tests, impact strengths reduced with decreasing testing temperature. In the Charpy impact test, the impact strength for PP homopolymer was higher than those of the two PP/PE blends at both 20 and 0 °C. The Etotal measured from the IDWPIT indicated PP/LDPE has the highest impact strength at both 20 and 0 °C.en_HK
dc.languageengen_HK
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/polytesten_HK
dc.relation.ispartofPolymer Testingen_HK
dc.rightsPolymer Testing. Copyright © Elsevier Ltd.en_HK
dc.titleImpact behaviour of polypropylene/polyethylene blendsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0142-9418&volume=19&issue=2000&spage=143&epage=154&date=2000&atitle=Impact+Behaviour+of+Polypropylene/polyethylene+Blendsen_HK
dc.identifier.emailNg, CN: cnng@hkucc.hku.hken_HK
dc.identifier.authorityNg, CN=rp00606en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0142-9418(98)00080-4en_HK
dc.identifier.scopuseid_2-s2.0-0034500681en_HK
dc.identifier.hkuros54168en_HK
dc.identifier.hkuros63991-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034500681&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume19en_HK
dc.identifier.issue2en_HK
dc.identifier.spage143en_HK
dc.identifier.epage154en_HK
dc.identifier.isiWOS:000084267000003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridTai, CM=7202900617en_HK
dc.identifier.scopusauthoridLi, RKY=7404724050en_HK
dc.identifier.scopusauthoridNg, CN=7401705590en_HK

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