الفهرس 
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Abstract
Cotton fabrics are very flammable materials, the LOI gener-Lly varying between 16 and 19 according to the weight and tight-
of weave of the material. As with other organic polymers, it is ssible to inhibit the combustion process by interfering with actions taking place both in the condensed phase and in the gas
:. There are perhaps two principles which are most commonly used order to impart some degree of flame retardance to cotton and other Llulosic materials. One is to attempt to alter the balance between
two essential alternative modes of breakdown of cellulose (Section 1.1); thus cellulose can either depolymerise to give monomers such laevoglucosan and other flammable products or it can undergo de-ition to give carbon and water; the encouragement of the second iss at the expense of the first will decrease the ease with which ilose burns. The other principle is to incorporate additives are released into the gas phase and interfere with the flame :ions. Predominant among these are compounds such as carbonates, lium salts and heavily hydrated salts which release into the gas inert gases such as carbon dioxide, ammonia and water vapour may dilute the normally flammable gases to such an extent that are no longer capable of flame propagation.