Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 133, Issue 36, Pages -Publisher
WILEY
DOI: 10.1002/app.43912
Keywords
coatings; degradation; flame retardance; polyamides; thermogravimetric analysis
Categories
Funding
- National Natural Science Foundation of China [51006054]
- Shandong Provincial Natural Science Foundation of China [ZR2014EEM037]
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In this article, the smoke production behaviors of crosslinked epoxy/polyamide resin (EP/PA) and intumescent fire retardant (IFR) in epoxy-based intumescent fire-retardant coating (IFR-EP) have been investigated using cone calorimeter, smoke density instrument, and thermogravimetric analysis and Fourier transform infrared spectroscopic measurement. The static and dynamic smoke production behaviors of EP/PA and IFR-EP indicate that the IFR has an excellent smoke suppression effect on EP/PA by forming protective char layer in the late combustion stage, while the epoxy crosslinked structure in IFR-EP can enhance the thermal stability and reduce smoke production in the early combustion stage. In addition, according to the discussion of pyrolysis gas products, the IFR can effectively suppress the production of toxic and inflammable gases during the combustion process. (C) 2016 Wiley Periodicals, Inc.
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