Grafting of poly(acrylonitrile) onto guar gum using potassium persulfate/ascorbic acid redox initiating system
β Scribed by U. D. N. Bajpai; Veena Mishra; Sandeep Rai
- Publisher
- John Wiley and Sons
- Year
- 1993
- Tongue
- English
- Weight
- 370 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0021-8995
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β¦ Synopsis
OPSlS
The grafting of poly(acrylonitri1e) onto guar gum in aqueous medium initiated by the potassium presulfate/ascorbic acid redox system has been studied gravimetrically at the temperature of 35 + 0.2"C in the presence of atmospheric oxygen. A plausible mechanism of graft copolymerization has been suggested on the basis of experimental results. The effect of grafting on the water and saline retention capacities has been studied and compared with the values obtained for ungrafted guar gum.
π SIMILAR VOLUMES
## Abstract Acrylonitrile was grafted on to tamarind seed gum using persulfate/ascorbic acid redox initiator and a representative sample of the graft copolymer (Tmβ__g__βPAN) was characterized using infrared spectroscopy (FTIR), Xβray diffraction (XRD) and scanning electron microscopy (SEM). Grafti