Kishore, K and Santhanalakshmi, KN (1981) Studies on Thermal Polymerization of Acrylamide. In: Journal of Macromolecular Science, 16 (5). 941- 951.
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Thermal polymerization of acrylamide has been followed by the DSC technique, and the activation energy (E) values at different stages of the fraction polymerized (a) have been determined from the exotherm of the thermograms obtained. The trend of variation of E with agr shows that E remains constant up to agr = 0.5 and decreases with a further increase in agr. A close look at the composite nature of the exotherms, agr-t, and agr-T curves shows that the polymerization of acrylamide involves two processes. The first process is the formation of linear polyacrylamide and the second is the simultaneous cross-linking of the linear chains together with the formation of linear polyacrylamide. Experiments such as NH3 detection by differential thermal analysis techniques and annealing studies have been made to shed further light on the polymerization process.
| Item Type: | Journal Article |
|---|---|
| Publication: | Journal of Macromolecular Science |
| Publisher: | Taylor and Francis Group |
| Additional Information: | Copy right of this article belongs to Taylor and Francis Group. |
| Department/Centre: | Division of Chemical Sciences > Inorganic & Physical Chemistry |
| Date Deposited: | 13 Jan 2010 05:24 |
| Last Modified: | 13 Jan 2010 05:24 |
| URI: | http://eprints.iisc.ac.in/id/eprint/22774 |
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