Metal Chelates as Flame Retardants and Smoke Suppressants for Flexible Poly (Vinyl Chloride)

The thermal degradation in air of flexible PVC treated with various metal chelates containing Fe, Co, Ni, Cu, or Zn combined with two compounds Al(OH)3 and Mg(OH)2, have been studied by differential thermal analysis and thermogravimetry from ambient temperature to 1023 K. The kinetic parameters were...

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Bibliographic Details
Published in:Journal of fire sciences 2004-01, Vol.22 (1), p.41-51
Main Authors: Tian, C. M., Qu, H. Q., Wu, W. H., Guo, H. Z., Xu, J. Z.
Format: Article
Language:English
Subjects:
Applied sciences
Building technical equipments
Buildings
Buildings. Public works
Exact sciences and technology
Fire behavior of materials and structures
Fire protection
Materials
Plastics
polyvinyl chloride
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Summary:The thermal degradation in air of flexible PVC treated with various metal chelates containing Fe, Co, Ni, Cu, or Zn combined with two compounds Al(OH)3 and Mg(OH)2, have been studied by differential thermal analysis and thermogravimetry from ambient temperature to 1023 K. The kinetic parameters were obtained using the equation of Kissinger. Flexible PVC treated with flame-retardants showed a high limiting oxygen index, char yield and a low smoke density rating, maximum smoke density, which indicated that the flame retardance of the treated PVC was improved.
ISSN:0734-9041
1530-8049
DOI:10.1177/0734904104039246