Journal
JOURNAL OF FIRE SCIENCES
Volume 30, Issue 6, Pages 566-574Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0734904112456004
Keywords
Flame retardant; synergist agent; polymer
Funding
- PETROBRAS/Centro de Pesquisas Leopoldo Americo Miguez de Mello (CENPES)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
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Flame-retardant additives used in plastics are based on halogen, phosphorus, inorganic compounds, and minerals. In this study, the use of bismuth trioxide as synergistic agent with brominated flame retardant is investigated and compared to formulations with antimony trioxide. Decabromodiphenyl ether and metal trioxide were incorporated in a polymer matrix via single-screw extrusion. The samples were classified with the UL 94 vertical burning protocol and studied with thermogravimetric analysis. The general combustion and heat release behaviors were studied via cone calorimeter. Results showed that 4% (wt) Bi2O3 displayed a synergistic effect with 12% (wt) of the halogen compound to achieve V-0.
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