Table 3: Thermal parameters of N-phenylbenzothioamide, PAA and PAA with 5% N-phenylbenzothioamide and their changes after 25 h UV-irradiation.

Sample/irradiation time	I step	II step			III step			Residue at 600 °C, %
	Δm, %	T0, °C	Tmax, °C	Δm, %	T0, °C	Tmax, °C	Δm, %
thioamide /0 h	4	163	280	93	-	-	-	3
thioamide /25 h	0	165	285	96	-	-	-	4
PAA/0 h	5	172	277	25	300	425	55	15
PAA/25 h	4	175	260	24	303	430	58	14
PAA+thioamide/0 h	4	175	273	26	303	427	55	15
PAA+thioamide/25 h	3	177	268	28	316	430	54	15