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Elongational and shear flow behavior of calcium carbonate filled low density polyethylene: Effect of filler particle size, content, and surface treatment

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Zoukrami, Fouzia [Université Ferhat Abbes, Sétif ] Haddaoui, Nacerddine [Université Ferhat Abbes, Sétif] Bailly, Christian [UCL] Sclavons, Michel [UCL] Legras, Roger [UCL]

In this article, calcium carbonate filled low density polyethylene (LDPE) was prepared and the influence of filler content, particle size, and surface treatment with stearic acid on the strain hardening and viscoelastic properties of the composites were investigated. Both elongational and shear rheological measurements were conducted on the different formulations and completed by microscopical observations and by differential scanning thermal analysis. The obtained results indicate that the effect of filler content and particle size are negligible on strain hardening behavior. Also the filler surface treatment has a less important effect on the nonlinear elongational tests in comparison with low frequency range measurements. However in shear rheology, we noted the absence of yield stress and network structure at different filler contents, and the presence of shear thinning behavior. Scanning electron microscopy (SEM) observations showed the enhancement of dispersion for surface treated samples, while differential scanning calorimetry (DSC) experiments have shown that the content of crystallinity of LDPE matrix is slightly affected by the presence of filler. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2012
Language Anglais
Journal information "Journal of Applied Polymer Science" - Vol. 123, no. 1, p. 257-266 (janvier 2011)
Peer reviewed yes
Publisher JohnWiley & Sons, Inc. ((United States) Hoboken)
issn 0021-8995
e-issn 1097-4628
Publication status Publié
Affiliations Université Ferhat Abbes, Sétif - Laboratoire de Physico-Chimie des Hauts Polymères (LPCHP), Département Génie des Procédés,
Université Ferhat Abbes, Sétif - Laboratoire de Physico-Chimie des Hauts Polymères (LPCHP), Département Génie des Procédés,
UCL - SST/IMCN/BSMA - Bio and soft matter
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Bibliographic reference Zoukrami, Fouzia ; Haddaoui, Nacerddine ; Bailly, Christian ; Sclavons, Michel ; Legras, Roger. Elongational and shear flow behavior of calcium carbonate filled low density polyethylene: Effect of filler particle size, content, and surface treatment. In: Journal of Applied Polymer Science, Vol. 123, no. 1, p. 257-266 (janvier 2011)
Permanent URL http://hdl.handle.net/2078.1/95141