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Effect of surface treatment of titanium dioxide nanoparticles on non-isothermal crystallization behavior, viscoelastic transitions and cold crystallization of poly(ethylene terephthalate) nanocomposites
Cayuela Marín, Diana; Cot Valle, María Ana; Riva Juan, Mª del Carmen; Sanchez Leija, Regina Janete; Sanchez Loredo, Maria Guadalupe; Algaba Joaquín, Inés María; Manich Bou, Albert M.
Universitat Politècnica de Catalunya. Institut d'Investigació Tèxtil i Cooperació Industrial de Terrassa; Universitat Politècnica de Catalunya. Departament d'Enginyeria Tèxtil i Paperera; Universitat Politècnica de Catalunya. Departament d'Estadística i Investigació Operativa; Universitat Politècnica de Catalunya. TECTEX - Grup de recerca en Tecnologia Tèxtil; Universitat Politècnica de Catalunya. TMAS (T+) - Toxicologia i Microbiologia Ambiental i Sanitària; Universitat Politècnica de Catalunya. AS3 - Estadística Aplicada i Ciències Socials
The effect of untreated and tri-n-octylphosphine oxide (TOPO) surface-treated TiO2 nanoparticles when included as filler in poly (ethylene terephthalate) on its compatibility, non-isothermal crystallization behavior, viscoelastic transitions and cold crystallization has been studied. The effectiveness of the surface treatment has been studied using infrared spectrophotometry (FTIR) and thermogravimetric analysis (TGA). The effect of the untreated and surface-treated nanofiller content in the polymer, added by an extrusion process, on the non-isothermal crystallization has been studied by differential scanning calorimetry (DSC). The influence on the viscoelastic transitions and cold crystallization of PET nanocomposites has been studied through thermomechanical analysis (TMA). The surface treatment and the concentration of nanofiller influence the non-isothermal crystallization behavior, the viscoelastic transitions and the cold crystallization of the PET nanocomposites, enables us to evaluate the compatibility and the level of dispersion/aggregation of the nanofiller in the poly(ethylene terephthalate).
Àrees temàtiques de la UPC::Enginyeria química
Polyethylene terephthalate
Nanocomposites
Crystallization
Materials--Mechanical properties
Poly(ethylene terephthalate)
TiO2
tri-n-octylphosphine oxide
nanocomposites
crystallization
mechanical properties
IN-SITU POLYMERIZATION
POLYETHYLENE-GLYCOL
TRIOCTYLPHOSPHINE OXIDE
DIFFERENTIAL SOLUBILITY
TIO2 NANOCRYSTALS
IODINE SORPTION
FINE-STRUCTURE
FIBERS
EXTRACTION
PARAMETERS
Polietilè
Nanocompostos (Materials)
Cristal·lització
info:eu-repo/semantics/publishedVersion
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