Nanda, A. K. ; Kishore, K. (2001) Novel phenomenon of autoacceleration in the free radical oxidative polymerization of vinyl monomers European Polymer Journal, 37 (4). pp. 671-676. ISSN 0014-3057
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00143...
Related URL: http://dx.doi.org/10.1016/S0014-3057(00)00169-5
Abstract
A unique phenomenon of 'autoacceleration' was observed in a free radical polymerization of vinyl monomers and oxygen. Unlike the well known autoacceleration phenomenon in polymerization processes, this unusual phenomenon is not readily conceivable in terms of solution viscosity based reasoning. Surprisingly, we have observed manifestation of this new autoacceleration during free radical oxidative polymerization of some vinyl monomers at low conversions, where generally the polymerization reaction is zero order, the conversion–time plot are linear and viscosity effects are negligible. In the present paper, we interpret the mechanism of this new autoacceleration phenomenon on the basis of reactivity of the propagating radicals in terms of heat of formation data.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Autoacceleration; Oxidative Polymerization; Thermochemical Analysis |
| ID Code: | 31849 |
| Deposited On: | 19 Mar 2011 12:55 |
| Last Modified: | 10 Jun 2011 04:57 |
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