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Kinetic investigation of the radical polymerization of N-acryloylpiperidine in solution

✍ Scribed by Kais A. K. Ebraheem; Mahmoud A. Al-Issa; Nedhal Y. Mohammed

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
420 KB
Volume
31
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

The kinetics of free radical polymerizations of N‐acryloylpiperidine (NAPi) were studied in benzene (Bz) using 2,2′‐azobisisobutyronitrile (AIBN) as initiator. The activation energy was determined to be 111.7 kJ mol^−1^. The overall rate of polymerization of the NAPi‐AIBN‐Bz system at 60°C was investigated as a function of monomer and initiator concentrations. Deviation from normal kinetics was observed with an order of 1.48 with respect to the monomer. The observed dependence of the rate constants k~p~/k on monomer concentration could not be explained by the diffusion theory or the theory of electron donor‐acceptor (EDA) complexes. The observed data have, however, been satisfactorily interpreted by the ‘hot’ radical theory.

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