Synthesis and Characterization of Graft Copolymer of Dextran and 2-Acrylamido-2-methylpropane Sulphonic Acid | Zendy

Venkanna Azmeera | Zendy; P. Adhikary | Zendy; S. Krishnamoorthi | Zendy

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Synthesis and Characterization of Graft Copolymer of Dextran and 2-Acrylamido-2-methylpropane Sulphonic Acid

Author(s) -

Venkanna Azmeera,

P. Adhikary,

S. Krishnamoorthi

Publication year - 2012

Publication title -

international journal of carbohydrate chemistry

Language(s) - English

Resource type - Journals

eISSN - 1687-935X

pISSN - 1687-9341

DOI - 10.1155/2012/209085

Subject(s) - ceric ammonium nitrate , thermogravimetric analysis , copolymer , grafting , polymer chemistry , chemistry , fourier transform infrared spectroscopy , dextran , radical polymerization , propane , polymer , nuclear chemistry , chemical engineering , organic chemistry , engineering

A novel biodegradable graft copolymer of dextran (Dx) and 2-acrylamido-2-methyl-1-propane sulphonic acid (AMPS) was synthesized by grafting poly-AMPS chains onto dextran backbone by free radical polymerization using ceric ammonium nitrate (CAN) as an initiator. Different amounts of AMPS were used to synthesize four different grades of graft copolymers with different side chain lengths. These grafted polymers were characterized by elemental analysis, FTIR, 1HNMR, rheological technique, scanning electron microscopy (SEM), thermogravimetric analysis (TGA), and X-ray diffractometry (XRD). They exhibited efficient flocculation performance in kaolin suspension

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