✦ LIBER ✦

Flammability of epoxy resins

✍ Scribed by F. J. Martin; K. R. Price

Publisher: John Wiley and Sons
Year: 1968
Tongue: English
Weight: 680 KB
Volume: 12
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1968.070120114

No coin nor oath required. For personal study only.

✦ Synopsis

Flammability determinations have been made for epoxy resin formulations. The oxygen index, defined as the volume fraction of oxygen in an oxygen/nitrogen at.mosphere that is required just to sustain steady candlelike burning of a stick of the material, has been used as the measure of flammability. The formulations selected for study were those for which the chemical composition of the ingredients was known at least approximately and for which uniform cast slabs (I/'* in. thick) could be readily prepared. They covered a range of compositions of commercial interest. The results have been interpreted in terms of a proposed model for candlelike burning. Effects due to resin composition, cure conditions, fillers, and flame-retardant additives are discussed.

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