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Ceric ammonium sulfate/sodium disulfite initiated grafting of acrylamide on to Cassia reticulata seed gum
Author(s) -
Singh Vandana,
Tiwari Ashutosh,
Singh Shailendra Pratap,
Kumari Premlata,
Tiwari Stuti
Publication year - 2008
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.28578
Subject(s) - ceric ammonium nitrate , grafting , thermogravimetric analysis , nuclear chemistry , chemistry , acrylamide , fourier transform infrared spectroscopy , guar gum , ammonium oxalate , ammonium sulfate , polymer chemistry , organic chemistry , chemical engineering , polymer , copolymer , biochemistry , engineering
Ceric ammonium sulfate/sodium disulfite redox system was evaluated for the poly(acrylamide) (PAM) grafting on to Cassia reticulata (CR) seed gum. Grafting conditions were optimized and the maximum %Grafting (% G ) and %Efficiency (% E ) achieved were 152 and 97.2%, respectively, using [disulfite] 0.005 M ; [ceric ammonium sulfate] 0.026 M ; [acrylamide] 0.11 M ; [gum] 0.125 g/25mL at 40 ± 0.2°C. Representative CR‐grafted gum (CRPAM) was characterized by Fourier transform infrared spectrometry (FTIR), X‐ray diffraction (XRD), and thermogravimetric analysis (TGA). Under identical conditions, the redox initiator could result 142.6 % G and 91.2 % E on to guar gum (GG). Various physical properties of the CR gum/grafted CR gum, such as viscosity, water retention, and saline retention, were studied and compared with GG/grafted GG to find out the potential industrial use of CR gum and PAM‐ grafted ‐CR gum. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008
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