Reference : Metallocene catalyzed polymerization of ethylene in the presence of graphite. 2. Structu...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/12342
Metallocene catalyzed polymerization of ethylene in the presence of graphite. 2. Structure and electrical properties of the composites
English
Pluta, Miroslaw [Polish Academy of Sciences, Lodz, Poland > > Center of Molecular and Macromolecular Studies > >]
Alexandre, Michaël mailto [Université de Mons-Hainaut - UMH > > Laboratory of Polymeric and Composite Materials (LPCM) > > >]
Blacher, Silvia mailto [University of Liège (ULg) > Department of Applied Chemistry > Laboratory of Chemical Engineering > >]
Dubois, Philippe [Université de Mons-Hainaut - UMH > Department of Chemistry > Laboratory of Polymeric and Composite Materials (LPCM) > > >]
Jérôme, Robert mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Oct-2001
Polymer
Elsevier Sci Ltd
42
22
9293-9300
Yes (verified by ORBi)
International
0032-3861
Oxford
[en] nanostructured material ; nanocomposite ; carbon graphite ; alkene ; metallocene-mediated polymerization
[en] Structure and electrical properties of conducting polyethylene/graphite composites have been studied in relation to the preparation method, i.e. (i) the polymerization-filling technique (PFT), in which the polyolefinic chains are growing from the graphite surface, (ii) the slurry polymerization of ethylene in the presence of untreated graphite, and (iii) the mechanical blending of preformed polyethylene and graphite. The extent of the filler dispersion depends on the method used for the composite preparation. Moreover, the graphite particles can be oriented by the molding of the samples used for the measurement of the electrical properties. This orientation is as pronounced as the melt viscosity of polyethylene is low, this characteristic feature changing with the preparation method. These structural details have consequences on the electrophysical properties and the percolation threshold. Finally, the thermal dependence of the electrical resistivity has been studied.
Center for Education and Research on Macromolecules (CERM)
Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; Dow Europe, Terneuzen, The Netherlands ; The "Belgium-Poland Scientific and Technological Cooperation"
Researchers
http://hdl.handle.net/2268/12342
10.1016/S0032-3861(01)00469-4
http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6TXW-43MK17Y-D-19&_cdi=5601&_user=532038&_orig=browse&_coverDate=10%2F31%2F2001&_sk=999579977&view=c&wchp=dGLzVzz-zSkzk&md5=7e514d190b3e50b5bda325dc70361ab5&ie=/sdarticle.pdf
http://www.elsevier.com/wps/find/journaldescription.cws_home/30466/description#description
The authors acknowledge Polymer (Elsevier) for allowing them to archive this paper.

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