Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 132, Issue 22, Pages -Publisher
WILEY-BLACKWELL
DOI: 10.1002/app.42016
Keywords
composites; flame retardancy; mechanical properties; PET; smoke density
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Funding
- National Boron Research Institute of Turkey [BOREN-2005-E0022]
- Turkish Academy of Sciences
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Flame retardancy of poly(ethylene terephthalate), PET, was improved using different flame retardant additives such as triphenylphosphate, triphenylphosphine oxide, zinc borate, and boron phosphate (BP). Composites were prepared using a twin screw extruder and subsequently injection molded for characterization purposes. The flame retardancy of the composites was determined by the limiting oxygen index (LOI) test. Smoke emission during fire was also evaluated in terms of percent light transmittance. Thermal stability and tensile properties of PET-based composites were compared with PET through TGA and tensile test, respectively. The LOI of the flame retardant composites increased from 21% of neat PET, up to 36% with the addition of 5% BP and 5% triphenyl phosphate to the matrix. Regarding the smoke density analysis, BP was determined as an effective smoke suppressant for PET. Enhanced tensile properties were obtained for the flame retardant PET-based composites with respect to PET. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42016.
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