Paper Title:
Crosslinking and Reinforcement of PET/TiO2/Clay Composites for Pavement Applications
  Abstract

This project studies the alternative chemical recycling of disposable bottles as raw material for the manufacture of a product known as polymeric concrete, which has several applications in the construction industry. Crosslinked materials from polyethylene terephthalate (PET), glycerol and clay were obtained. First recycled PET bottles were washed, cut and dried; after bis-hydroxyethyl terephthalate monomer was obtained from depolimerization reaction of PET. The monomer, glycerol and titanium dioxide reacts to synthesize a polymeric concrete. Materials with concentrations of clay from 1, 10, 20, 30, 40 and 50%w/w were obtained. Differential scanning calorimeter (DSC), Soxhlet extraction, colorimetry and Shore D hardness were used to characterize the materials. The results indicated a degree of crosslinking in the synthesized material when the amount of clay was increased. A melting point around 265 °C was not observed by DSC analysis; this suggests that a crosslinked material was formed. By TGA analysis temperature degradation was observed at 394°C, which it was increasing from 408 to 416°C according to the addition of clay content. A bad dispersion of particles in the crosslinked polymer decreased the thermal stability of PET when the clay content was increased.

  Info
Periodical
Advanced Materials Research (Volumes 168-170)
Edited by
Lijuan Li
Pages
2340-2343
DOI
10.4028/www.scientific.net/AMR.168-170.2340
Citation
A. S. Lopez Rodriguez, P. Sifuentes-Gallardo, C. Sorto Castañon, L. L. Díaz Flores, M. A. Hernández Rivera, R. Falconi Calderon, "Crosslinking and Reinforcement of PET/TiO2/Clay Composites for Pavement Applications", Advanced Materials Research, Vols. 168-170, pp. 2340-2343, 2011
Online since
December 2010
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Price
$32.00
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