Citation

Mostashari SM, Mostashari SZ. J. Appl. Fire Sci. 2004; 13(4): 329-337.

Affiliation

Dept. of Chemistry, Faculty of Science, Gilan University, Rasht, Iran

Copyright

(Copyright © 2004, Baywood Publishing)

DOI

unavailable

PMID

unavailable

Abstract

In this article, a new vertical test method for estimation of thermoset fabric's flammability has been originated. Apart from this development, ammonium chloride as a nondurable finish on the flammability of 100% cotton fabric (woven construction, weighing 160g/m(sup)2) has been, chosen, and investigated. The laundered bone-dried, weighed fabrics were impregnated with suitable concentration of aqueous ammonium chloride solutions by means of squeeze rolls and dried at 110 deg C for 30 minutes. They were then cooled in a desiccator, re-weighed with an analytical precision and kept under ordinary conditions before conducting the vertical flame test. The optimum add-on values to impart flame-retardancy expressed in g anhydrous ammonium chloride per 100g fabrics were about 16.36-17.31%. The results obtained, comply with "Free Radical Theory." Finally, we developed the Mohr analytical test method to detect the salt content in different selected fragments of a treated specimen, so that the amount of variability caused by pad squeeze process in different sectors of a chosen sample could be estimated.

Language: en