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Grafting of poly(glycidyl methacrylate) onto alginic acid

โœ Scribed by M.T. Vijayakumar; C. Rami Reddy; K.T. Joseph

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
393 KB
Volume
21
Category
Article
ISSN
0014-3057

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โœฆ Synopsis

Grafting of poly(glycidyl methacrylate) (PGMA) onto alginic acid was carried out using ceric ammonium nitrate as initiator, using various concentrations of monomer and initiator, and various temperatures and times. Percentage grafting, grafting efficiency and rates of polymerization, graft copolymerization and homopolymerization were evaluated in all cases. Infrared spectra for pure alginic acid, poly(glycidy1 methacrylate)

and the alginic acid-poly(glycidy1 methacrylate) were taken to establish the occurrence of grafting. Differential scanning calorimetry was carried out for alginic acid, poly(glycidyl methacrylate).

the graft copolymer and the physical mixture to establish evidence for grafting.

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