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Properties of POSS blends with pCBT, PMMA, PC and POM thermoplastics
Abt, Tobias Martin; Sánchez Soto, Miguel; Illescas Fernandez, Silvia; Arostegui, Asier
Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica; Universitat Politècnica de Catalunya. POLY2 - Polyfunctional polymeric materials; Universitat Politècnica de Catalunya. POLYCOM - Polimers i compòsits: tecnologia
The influence of the functionalisation of fully or partially condensed POSS cages on the properties of engineering thermoplastic-based nanocomposites is studied. POSS with different organic substituents were selected in accordance with the structure and chemical composition of the host polymer and melt mixed with the corresponding matrix. In general, good dispersion at the nanoscale level was achieved upon the addition of some functionalised POSS, leading to a remarkable increase on the thermal decomposition temperature under nitrogen atmosphere. However, for the polymers having high decomposition temperatures, there were no significant changes on the thermal properties of the nanocomposites. On the other hand, the dispersion of the POSS, whatever its functionalisation was, led to the presence of micron-sized aggregates. The relationships among these effects and the morphological characteristics of the systems were analysed.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers
Àrees temàtiques de la UPC::Enginyeria dels materials::Assaig de materials::Assaigs estructurals
Polymers--Testing
Nanocomposites (Materials)
Infrared spectroscopy
Polycarbonate
PC
Polyoxymethylene
POM
Polyhedral oligomeric silsesquioxane
Morphology
Thermal stability
Poly(butylene terephthalate)
PBT
Dynamic mechanical analysis
Poly(methyl methacrylate)
PMMA
Polímers -- Proves
Nanocompostos (Materials) -- PFC
info:eu-repo/semantics/publishedVersion
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