Effects of Size of Zinc Borate on the Flame Retardant Properties of Intumescent Coatings

Table 4

TGA data of IFR/ZB coatings (under nitrogen).

	(°C)	(°C)	(°C)	(°C)	(°C)	W600°C (%)	W700°C (%)	W800°C (%)
Control IFR	138	253	362	424	609	30.19	15.38	7.23
ZBS2%	124	256	385	427	620	30.74	25.14	17.56
ZBM2%	123	259	389	435	697	34.93	29.86	21.95
ZBL2%	134	247	359	415	533	27.76	24.15	13.42

Note: , , , , and are the temperature at which 1%, 10%, 30%, 50%, and 70% weight loss occurs, respectively. W_600°C, W_700°C, and W_800°C are the residue of materials at 600, 700, and 800°C.