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Development Hybrid Retardant Agent and its Effect on Flammability Resistance of Composites

Author Affiliations

  • 1Technical Institute of Babylon, IRAQ
  • 2Al- Qadisiya University, IRAQ

Res.J.chem.sci., Volume 3, Issue (1), Pages 10-14, January,18 (2013)


The maintain structural composite safety considered the greatest challenge to workers in this field to minimize and eliminated the dangerous of fires or completely removes through resist the flame generated from fires and terminated its activity. Zinc borate which represent inorganic fire retardant was used to coating structural composite consist of araldite resin reinforced with carbon and Kevlar fibers to increase the flame retardancy for these structures , where a surface layer from zinc borate was used as a coating layer of (4mm) thickness. The material was exposed to a direct flame generated from Oxyacetylene torch (3000oC) with different flame exposure distances (10, 15, 20mm), and study the range of resistance of retardant material layer to the flames and protected the substrate. For enhance the action of zinc borate, a hybrid fire retardant was formed by added antimony trioxide with various quantities (10%, 20%, 30%) to zinc borate to react flame and exposure this hybrid material to same flame temperature and exposure distances. Method of measuring the surface temperature opposite to the flame was used to determined the heat transferred to composite material. The optimum results was obtained with (30%) antimony trioxide mixed with zinc borate and exposed distance (20mm).


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