463907.fig.004a
(a) HEG M.S. = 0.1; 0 KGy
463907.fig.004b
(b) HEG M.S. = 0.1; 1 KGy
463907.fig.004c
(c) HEG M.S. = 0.1; 2.5 KGy
463907.fig.004d
(d) HEG M.S. = 0.1; 5 KGy
463907.fig.004e
(e) HEG M.S. = 0.1; 10 KGy
463907.fig.004f
(f) HEG M.S. = 0.1; 20 KGy
463907.fig.004g
(g) HEG M.S. = 0.1; 50 KGy
Figure 4: Effect of radiation processing on the viscoelastic behavior of hydroxyethylated guar (HEG) of molar substitution (M.S.) = 0.1: (a) unirradiated; (b) irradiated at 1 KGy; (c) irradiated at 2.5 KGy; (d) irradiated at 5 KGy; (e) irradiated at 10 KGy; (f) irradiated at 20 KGy; (g) irradiated at 50 KGy.