Properties of Polystyrene Clay Nanocomposites Prepared Using Two New Imidazolium Surfactants

Table 1

Average molecular weights of the PS, PS/MMT/Na⁺, and PS/MMT nanocomposites.

Sample	Average molecular weights
	PS	151 k	136 k	231 k	351 k	475 k	216 k	1.70
PS/MMT/Na^+	210 k	161 k	261 k	385 k	503 k	245 k	1.62
PS/MMT/C12	146 k	135 k	221 k	338 k	465 k	206 k	1.63
PS/MMT/C20	153 k	148 k	227 k	332 k	444 k	214 k	1.54
PS/MMT/C22	148 k	127 k	213 k	321 k	438 k	199 k	1.68