HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Journal articles

The Behaviour of Commercially Important Di-isocyanates in Fire Conditions. Part 1 : Toluene Di-isocyanate (TDI)

Abstract : Several -i-isocyanates have become commercially important materials, used as intermediates in the manufacture of a wide variety of polyurethane products, yet little is recorded on their behaviour if involved in fire. This paper describes a series of programmes carried out under the auspices of the International Isocyanate Institute Inc. First, a small-scale laboratory investigation of the ignition, heat release, smoke and toxic gas production characteristics of di-isocyanates was carried out. Second, their behaviour in drumstock and pool fires, respectively, was examined, using full-sized samples and selected real-fire scenarios. Part 1 records the results for toluene di- isocyanate (TDI) showing the need for a modest energy input to ignite it from a pilot flame. It then burns in a steady rather than vigorous manner, leaving no residues. Toxic gases evolved are mainly carbon monoxide, while free isocyanate is likely in the early stages of the fire, and hydrogen cyanide may be important in well-developed fires. Drumstock material behaviour in a fire is dictated mainly by the rupture characteristics of the containers, which can be violent. A series of simple guidelines is suggested, which includes the need for firefighters to wear full protective clothing and fresh-air breathing equipment. It is also recommended that drumstock TDI should be stored away from easily ignitable materials.
Document type :
Journal articles
Complete list of metadata

Contributor : Gestionnaire Civs Connect in order to contact the contributor
Submitted on : Friday, March 21, 2014 - 1:26:39 PM
Last modification on : Friday, March 21, 2014 - 1:26:39 PM

Links full text




Guy Marlair, F. Prager, H. Sand. The Behaviour of Commercially Important Di-isocyanates in Fire Conditions. Part 1 : Toluene Di-isocyanate (TDI). Fire and Materials, Wiley-Blackwell, 1993, 17 (2), pp.91-102. ⟨10.1002/fam.810170206⟩. ⟨ineris-00962543⟩



Record views