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The chemistry of smoke suppression in polyurethane foams using thermogravimetry‐infrared residue analysis
Author(s) -
Anthony Geoffrey M.
Publication year - 1993
Publication title -
makromolekulare chemie. macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 0258-0322
DOI - 10.1002/masy.19930740114
Subject(s) - thermogravimetry , polyurethane , smoke , combustion , residue (chemistry) , chemistry , infrared , degradation (telecommunications) , infrared spectroscopy , organic chemistry , chemical engineering , polymer chemistry , inorganic chemistry , telecommunications , physics , computer science , optics , engineering
The analysis of TG residues using FT‐IR has shown that at 270°C. pyromellitate esters can react with aromatic amines formed from polyurethane foam degradation to form a pyromellitimide structure. This stabilises the main smoke and toxic gas precursors formed during combustion.