Journal
POLYMER DEGRADATION AND STABILITY
Volume 92, Issue 6, Pages 956-961Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2007.03.006
Keywords
bis-phenoxy (3-hydroxy) phenyl phosphine oxide; epoxy resins; flame retardance; thermal properties; mechanical properties
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A reactive phosphorus-containing compound, bis-phenoxy (3-hydroxy) phenyl phosphine oxide (BPHPPO) was first successfully synthesized to produce the phosphorus-containing flame retardant epoxy resin (BPHPPO-EP). The chemical structures were characterized from FTIR, MS, NMR spectra and elemental analyses. Thermal degradation behaviors and flame retardant properties of the cured epoxy resins were investigated from the thermogravimetric analysis (TGA) and the limiting oxygen index (LOI) test using 4,4'-diaminodiphenylsulfone (DDS) as curing agent. The high char yields and the high limiting oxygen index values were found to certify the great flame retardancy of this phosphorus-containing epoxy resin. (c) 2007 Elsevier Ltd. All rights reserved.
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