Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33384
Title: Thermal degradation study of functionalized MWNT reinforced segmented polyurethane membrane
Authors: Mondal, S
Hu, JL 
Keywords: Fourier-transform infrared
Multiwalled nanotube
Polyurethane
Thermogravimetry
Issue Date: 2006
Publisher: Sage Publications Ltd
Source: Journal of elastomers and plastics, 2006, v. 38, no. 3, p. 261-271 How to cite?
Journal: Journal of Elastomers and Plastics 
Abstract: The thermal degradation of polytetramethylene glycol (PTMG, Mn=2900) based polyurethane (PU), along with four different weight contents (such as 0.25, 0.50, 1.0, and 2.5 wt%) of functionalized multiwalled nanotube (MWNT) reinforced PUs are studied in air as well as in nitrogen atmosphere. The degradation results are reported in 10 and 50% weight loss and derivative of thermogravimetry (DTG). As expected, PUs are thermally more stable in nitrogen than in air. However, the influence of MWNT content on thermal stability is unclear. At 0.25 and 0.50 wt% of MWNT content, thermal stability declined and a further increase of MWNT improved the thermal stability of PU. Fourier-transform infrared (FTIR) analysis is also performed for untreated and heat treated films in order to understand the degradation at different temperatures. Free C=O stretching neck dimension increases with increasing temperature which signifies breaking of H-bonding detected by FTIR measurements.
URI: http://hdl.handle.net/10397/33384
ISSN: 0095-2443
DOI: 10.1177/0095244306064237
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