Sample
Pg
% Swelling
Water
MeOH
BuOH
DMF
H. sabdariffa
raw
59.00
46.00
38.00
40.00
Hs
-g-poly(EA)
117.30
14.00
10.00
62.00
78.00
Hs
-g-poly(EA-co-BA)
112.20
16.00
10.00
60.00
72.00
Hs
-g-poly(EA-co-VA)
36.10
53.00
42.00
46.00
59.00
Table 5:
Effect of solvents on swelling behavior of graft copolymers vis-à-vis backbone.
