Abstract
In addition to the NBS smoke box and Goodrich smoke-char tester the present paper shows that the Cone Calorimeter due to its multifunctional capability is one of the effective facilities for the characterization of the smoke-reducing synergism between MoO 3 and Cu 2O for rigid PVC. In combination with XPS techniques further information about the charring requisite to the better understanding of charring and smoke emission has been obtained. The current XPS data were of vital importance in the assessment of the extent of crosslinking of PVC and systems of PVC/transition metals on heating. It was found that besides char residue percentage the rate of crosslinking (ROC) derived from C1s spectra at the temperature of LT GRL is a parameter qualified to be a measure for the rate of charring in polymeric matrices. The data acquired from XPS/CONE have been harnessed to seek the smoke-reducing synergy between MoO 3 and Cu 2O for rigid PVC.
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