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Information Journal Paper

Title

THERMAL PROPERTY STUDY OF CARRAGEENAN BASE NANOCOMPOSITE HYDROGEL SENSITIVE TO IONIC ENVIRONMENTS

Pages

 Start Page 49 | End Page 58

Abstract

 Superabsorbent nanocomposite was synthesized via COPOLYMERIZATION of acrylic acid (AA) and polyethylene glycol (PEG) onto carrageenan. The COPOLYMERIZATION reaction was carried out in aqueous medium and in the presence of ammonium persulfate (APS) as INITIATOR, N, N`-methylene bisacrylamid (MBA) as CROSS LINKER and montmorillonite (MMT) as nanoclay. The superabsorbent nanocomposite structure was confirmed by FT-IR spectroscopy and X-ray diffraction. The swelling behavior of superabsorbent nanocomposite was also investigated in distilled water and various salt solutions. Thermal properties of synthesized superabsorbent nanocomposite were studied by using thermal gravimetric analysis, differential thermal gravimeter and differential scanning calorimeter. It was observed that the high thermal resistance of NANOCOMPOSITE HYDROGEL and hydrogel carrageenan is high.

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