Sample
Hs-g-poly-
  Pg                 TGA                              DTA
IDT FDT % Residue                    Peaks in °C(μV)
H. sabdariffa - 225.7 463.0 20.00 139.7 (6), 327.9 (18.0), 422.7 (14)
(EA) 117.3 312.4 500.0 06.70 125.0 (2), 361.2 (1.2), 432.5 (29)
(EA-co-2VP) 22.00 240.6 475.0 24.00 152.0 (1.6), 340.8 (3.1), 375.3 (14)
(EA-co-AM)
Phenoplast
Hs-r-PF-C
259.8
-
-
268.0
500.0
540.0
520.0
600.0
680.0
03.30
-
10.0
176.4 (17.1), 340.0(21), 425.0 (22.7)
551.0 (150)
610.0 (164)
Where, C = composite, IDT = initial decomposition temperature, FDT= final decomposition temperature
Table 3: TG-DTA of H. sabdariffa, graft copolymers and composite.
Goto home»