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Thermal Behavior and Degradation Kinetics of Compatibilized Metallocene-Linear Low Density Polyethylene/Nanoclay Nanocomposites
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymeric Materials.ORCID iD: 0000-0002-7348-0004
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2014 (English)In: Polymer-plastics technology and engineering (Softcover ed.), ISSN 0360-2559, E-ISSN 1525-6111, Vol. 53, no 9, 890-902 p.Article in journal (Refereed) Published
Abstract [en]

Morphology, thermal degradation and kinetics of metallocene-linear-low-density polyethylene (m-LLDPE)/m-LLDPE-graft-maleic anhydride (m-LLDPE-g-MA)/nanoclay nanocomposites were compared with m-LLDPE/nanoclay, m-LLDPE-g-MA/nanoclay and m-LLDPE/m-LLDPE-g-MA systems. X-ray diffraction measurements revealed intercalated and "highly intercalated'' morphologies for the nanocomposites. Thermogravimetric analysis demonstrated that although thermal degradation of m-LLDPE systems were delayed upon the inclusion of nanoclay in air, an inverse effect was perceived for the nanoclay under inert atmosphere. This conclusion was supported by kinetic analysis in terms of reaction order and activation energy. The results obtained from kinetics models also put forward the contribution of m-LLDPE-g-MA, as a compatibilizer, to the thermal stability enhancement through intermolecular cross-linking augmentation.

Place, publisher, year, edition, pages
2014. Vol. 53, no 9, 890-902 p.
Keyword [en]
Metallocene-linear low-density polyethylene, Nanocomposites, Thermal degradation kinetics, Thermal stability
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-148198DOI: 10.1080/03602559.2014.886055ISI: 000337591700003Scopus ID: 2-s2.0-84901608589OAI: oai:DiVA.org:kth-148198DiVA: diva2:736107
Note

QC 20140805

Available from: 2014-08-05 Created: 2014-08-04 Last updated: 2017-12-05Bibliographically approved

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Akhlaghi, Shahin

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