Phosphorus Flame Retardants for Polymeric Materials from Gallic Acid and Other Naturally Occurring Multihydroxybenzoic Acids

Table 1

Thermal decomposition of phosphorous esters of gallic acid anilide.

Compound	Temperature of decomposition onset (°C)^a		Temperature of maximum decomposition rate (°C)		Decomposition residue (%)^b
	Nitrogen	Air	Nitrogen	Air	Nitrogen	Air
GA-DEP	239	175	253	205	37	13
GA-DOPO	316	313	373	366	18	7

^aExtrapolated onset temperature from the derivative plot of mass loss versus temperature. ^bPercentage of the initial sample mass.