Synthesis and characterization of grafted carboxymethyl guar gum
β Scribed by P. Adhikary; S. Krishnamoorthi; R. P. Singh
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 395 KB
- Volume
- 120
- Category
- Article
- ISSN
- 0021-8995
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## Abstract Guar gum was partially carboxymethylated by the reaction of the base polysaccharide with the sodium salt of monochloroacetic acid in presence of sodium hydroxide. The resulting products (carboxymethyl guar with different degrees of substitution) were characterized by a variety of materi
The graft copolymerization of acrylic acid (AA) onto guar gum (GOH) was carried out by a peroxydiphosphate (PDP)-silver(I) system. Grafting ratio, efficiency, add-on, and conversion increase upon increasing the concentration of PDP and acrylic acid, whereas they decrease upon increasing the concentr