The Effects of Acid Activation on the Thermal Properties of Polyvinylpyrrolidone and Organoclay Composites

Table 1

C, H, and N analysis (% mass) of different organoclays before and after reaction with PVP solution.

Samples	CEC; meq/100 g	C%	N%	H%	^*Mass loss (%)
C16TMA-Mt	92	28.14	1.87	5.40	33.51
PVP/C16TMA-Mt	92	35.21	0.93	7.25	39.21
C16TMA-AMt0.2	81	21.40	0.78	4.30	25.42
PVP/C16TMA-AMt0.2	81	26.23	0.67	6.23	31.34
C16TMA-AMt0.5	64	18.26	0.68	3.88	21.73
PVP/C16TMA-AMt0.5	64	24.56	0.53	4.54	26.12

Deduced from TGA curves.