Simultaneous measurement by ESR spectroscopy of monomer conversion and radical concentration during polymerization for determination of kinetic parameters

Carswell T.G., Hill D.J.T., Hunter D.S., Pomery P.J., O'Donnell J.H. and Winzor C.L. (1990) Simultaneous measurement by ESR spectroscopy of monomer conversion and radical concentration during polymerization for determination of kinetic parameters. European Polymer Journal, 26 5: 541-544. doi:10.1016/0014-3057(90)90205-I


Author Carswell T.G.
Hill D.J.T.
Hunter D.S.
Pomery P.J.
O'Donnell J.H.
Winzor C.L.
Title Simultaneous measurement by ESR spectroscopy of monomer conversion and radical concentration during polymerization for determination of kinetic parameters
Journal name European Polymer Journal   Check publisher's open access policy
ISSN 0014-3057
Publication date 1990-01-01
Sub-type Article (original research)
DOI 10.1016/0014-3057(90)90205-I
Open Access Status Not yet assessed
Volume 26
Issue 5
Start page 541
End page 544
Total pages 4
Subject 1605 Policy and Administration
2507 Polymers and Plastics
Abstract Manganese oxide has been used to determine the microwave absorption in an ESR spectrometer during the polymerization of methyl methacrylate in order to measure the absolute concentration of propagating radicals. The magnetic field for the manganese resonance showed an excellent correlation with the conversion of monomer to polymer determined by gravimetric and NMR methods. Thus the radical concentration and the conversion could be measured throughout the polymerization in a single experiment, enabling the kinetic parameters, kp and kt, to be determined directly.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 14 Jun 2016, 12:24:23 EST by System User