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Thermochemical characterization of some thermoplastic materialsThe thermochemical and flammability characteristics of some typical thermoplastic materials currently in use or being considered for use in aircraft interiors are described. The properties studied included thermomechanical properties such as glass-transition and melt temperature, changes in polymer enthalpy, thermogravimetric analysis in anerobic and oxidative environments, oxygen index, smoke evolution, relative toxicity of the volatile products of pyrolysis, and selected physical properties. The generic polymers evaluated included acrylonitrile butadiene styrene, bisphenol A polycarbonate, 9,9 bis (4-hydroxyphenyl) fluorene polycarbonate-poly (dimethylsiloxane) block polymer, phenolphthalein-bisphenol A polycarbonate, phenolphthalein polycarbonate, polyether sulfone, polyphenylene oxide, polyphenylene sulfide, polyaryl sulfone, chlorinated polyvinyl chloride homopolymer, polyvinyl fluoride, and polyvinylidene fluoride. Processing parameters, including molding characteristics of some of the advanced polymers, are described. Test results and relative rankings of some of the flammability, smoke, and toxicity properties are presented. Under these test conditions, some of the advanced polymers evaluated were significantly less flammable and toxic than or equivalent to polymers in current use.
Document ID
19770041687
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Kourtides, D. A.
(NASA Ames Research Center Moffett Field, CA, United States)
Parker, J. A.
(NASA Ames Research Center Moffett Field, Calif., United States)
Hilado, C. J.
(San Francisco, University San Francisco, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1977
Publication Information
Publication: Journal of Fire and Flammability
Volume: 8
Subject Category
Nonmetallic Materials
Accession Number
77A24539
Distribution Limits
Public
Copyright
Other

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