Study of fire retardant behavior of carbon nanotube membranes and carbon nanofiber paper in carbon fiber reinforced epoxy composites

Single-walled carbon nanotube (SWCNT) and multi-walled carbon nanotube (MWCNT) membranes (buckypaper) and carbon nanofiber (CNF) paper were incorporated onto the surface of epoxy carbon fiber composites, as proposed fire shields. Their flammability behaviors were investigated by a cone calorimeter....

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Published inCarbon (New York) Vol. 48; no. 6; pp. 1799 - 1806
Main Authors Wu, Qiang, Zhu, Wei, Zhang, Chuck, Liang, Zhiyong, Wang, Ben
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier Ltd 01.05.2010
Elsevier
Subjects
Carbon fiber reinforced plastics
Carbon fibers
Chemistry
Colloidal state and disperse state
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Flame retardants
Fullerenes and related materials; diamonds, graphite
General and physical chemistry
Materials science
Membranes
Nanofibers
Physics
Polymer matrix composites
Porous materials
Shields
Single wall carbon nanotubes
Specific materials
Scanning electron microscopy
Membranes
Pore structure
Carbon nanotubes
Nanofiber
Combustion
Carbon
Mercury porosimetry
Gas permeability
Carbon fibers
Flames
Singlewalled nanotube
Composite materials
Multiwalled nanotube
Correlations
Adsorption isotherms
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Summary:Single-walled carbon nanotube (SWCNT) and multi-walled carbon nanotube (MWCNT) membranes (buckypaper) and carbon nanofiber (CNF) paper were incorporated onto the surface of epoxy carbon fiber composites, as proposed fire shields. Their flammability behaviors were investigated by a cone calorimeter. SWCNT buckypaper and CNF paper did not show notable improvement on fire retardancy. However, MWCNT buckypaper acted as an effective flame-retardant shield, reducing the peak heat release rate by more than 60% and reducing smoke generation by 50% during combustion. The pore structures of buckypapers and CNF paper were characterized by scanning electron microscopy (SEM), mercury intrusion porosimetry, and N 2 adsorption isotherms. Gas permeability of buckypaper and carbon nanofiber paper was measured. The correlation between buckypaper and CNF paper properties and their fire retardancy was discussed.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2010.01.023