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Abstract
To explore the use of chemical methods of analysis in investigating the performance of thermoplastic, ASTM D08.18 subcommittee undertook a study to evaluate TPO films of known composition. These specially formulated films with varying amounts of stabilizers were heat-aged forup to 56 days according to ASTM D6878-03 and then analyzed using dynamic mechanical analysis (DMA), thermogravimetry (TG) and Fourier transform infrared (FTIR) spectoscopy. These techniques were found to be useful in characterizing the effect of heat on the TPO films under study and it is believed that they could be useful to evaluate actual TPO membranes. Note these are films and are NOT roof membranes. The formulations used for the films could be modified for use in actual membranes.
To explore the use of chemical methods of analysis in investigating the performance of thermoplastic, ASTM D08.18 subcommittee undertook a study to evaluate TPO films of known composition. These specially formulated films with varying amounts of stabilizers were heat-aged forup to 56 days according to ASTM D6878-03 and then analyzed using dynamic mechanical analysis (DMA), thermogravimetry (TG) and Fourier transform infrared (FTIR) spectoscopy. These techniques were found to be useful in characterizing the effect of heat on the TPO films under study and it is believed that they could be useful to evaluate actual TPO membranes. Note these are films and are NOT roof membranes. The formulations used for the films could be modified for use in actual membranes.
Date
11/2007
11/2007
Author(s)
A Delgada; G Howell; R Ober; P Olivera; A Peterson; R Boon; R Paroli
A Delgada; G Howell; R Ober; P Olivera; A Peterson; R Boon; R Paroli
Page(s)
75-92
75-92
Keyword(s)
TPO; chemical properties; heat aging; DMA; infrared; FTIR; thermogravimetry; TG;
TPO; chemical properties; heat aging; DMA; infrared; FTIR; thermogravimetry; TG;