publication . Article . 2012

Utilization of poly(methyl methacrylate) - Carbon nanotube and polystyrene-Carbon nanotube in situ polymerized composites as masterbatches for melt mixing

M. Annala; M. Lahelin; J. Seppala;
Open Access English
  • Published: 01 Oct 2012 Journal: eXPRESS Polymer Letters (issn: 1788-618X, Copyright policy)
  • Publisher: Budapest University of Technology
Carbon nanotubes (CNTs) were melt mixed directly or by using an in situ polymerized masterbatch into a matrix polymer, polystyrene (PS) or poly(methyl methacrylate) (PMMA). The mechanical properties of the composites were mostly determined by the amount of CNTs, and not by the use of directly melt mixed CNTs or the use of the masterbatch. In contrast, the electrical resistivity of the composites was dependent on the manner in which the CNTs were added to the matrix polymer. When there was increased interfacial adhesion between the components, as for PS and the CNTs, the use of directly melt mixed CNTs gave better resistivity results. Without strong interactions ...
free text keywords: Polymer composites, Nanocomposites, Material testing, Tailor-made polymers, Carbon nanotubes, Materials of engineering and construction. Mechanics of materials, TA401-492, Chemical technology, TP1-1185, Physical and Theoretical Chemistry, Organic Chemistry, Materials Chemistry, General Chemical Engineering, Polymers and Plastics
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