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Flame retarding and smoke suppressing mechanisms of nano composite flame retardants on bitumen and bituminous mixture
Graphical abstract Display Omitted
Highlights Flame retarding and smoke suppressing mechanisms of bituminous materials is revealed; Bituminous combustion is inhibited by NCFR due to synergistic flame retarding effects; The effects of developed NCFR on flame retardance of bituminous mixture are analyzed; Effects of NCFR on smoke suppression performances of bituminous mixture are verified; NCFR shows inhibition on bituminous mixture combustion in condensed and gas phases.
Abstract To understand flame retarding and smoke suppressing mechanisms of developed nanocomposite flame retardant (NCFR) on bitumen and bituminous mixture, thermogravimetry (TG) and cone calorimeter (CONE) tests were performed, and combustion parameters of TG and CONE tests were discussed. Results indicate that combustion behaviors of bitumen and bituminous mixture are efficiently inhibited by NCFR. More compact and stable char residue is formed on bituminous mixture. NCFR reduces the smoke release amount and mass loss rate in condensed and gas phases during bituminous mixture combustion, and plays the roles of flame retarding and smoke suppressing effects, improving fire safety of bituminous materials.
Flame retarding and smoke suppressing mechanisms of nano composite flame retardants on bitumen and bituminous mixture
Graphical abstract Display Omitted
Highlights Flame retarding and smoke suppressing mechanisms of bituminous materials is revealed; Bituminous combustion is inhibited by NCFR due to synergistic flame retarding effects; The effects of developed NCFR on flame retardance of bituminous mixture are analyzed; Effects of NCFR on smoke suppression performances of bituminous mixture are verified; NCFR shows inhibition on bituminous mixture combustion in condensed and gas phases.
Abstract To understand flame retarding and smoke suppressing mechanisms of developed nanocomposite flame retardant (NCFR) on bitumen and bituminous mixture, thermogravimetry (TG) and cone calorimeter (CONE) tests were performed, and combustion parameters of TG and CONE tests were discussed. Results indicate that combustion behaviors of bitumen and bituminous mixture are efficiently inhibited by NCFR. More compact and stable char residue is formed on bituminous mixture. NCFR reduces the smoke release amount and mass loss rate in condensed and gas phases during bituminous mixture combustion, and plays the roles of flame retarding and smoke suppressing effects, improving fire safety of bituminous materials.
Flame retarding and smoke suppressing mechanisms of nano composite flame retardants on bitumen and bituminous mixture
Xia, Wenjing (author) / Wang, Siwen (author) / Xu, Tao (author) / Jin, Guanglai (author)
2020-09-30
Article (Journal)
Electronic Resource
English
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