Rheological study of the kinetics of photoinitiated free radical polymerizations with the quartz microbalance

Using a quartz microbalance operating in solutions, a very sensitive determination of the increasing viscosity during the very early stages of polymerization reactions is possible in a continuous fashion. Kinetic data have been obtained for methyl methacrylate as the monomer and benzoin, its methyl...

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Bibliographic Details
Published in:Macromolecular chemistry and physics 1994-12, Vol.195 (12), p.3929-3935
Main Authors: Ottersbach, Peter, Lennarz, Klaus, Bargon, Joachim
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Physicochemistry of polymers
Polymerization
Polymers and radiations
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Summary:Using a quartz microbalance operating in solutions, a very sensitive determination of the increasing viscosity during the very early stages of polymerization reactions is possible in a continuous fashion. Kinetic data have been obtained for methyl methacrylate as the monomer and benzoin, its methyl ether, and 2,2‐dimethoxy‐2‐phenylacetophenone as photoinitiators using an excimer laser operating at 351 nm. This in situ method represents a very sensitive, convenient, and inexpensive technique for obtaining kinetic data under a variety of boundary conditions including photopolymerization, the example outlined here.
ISSN:1022-1352
1521-3935
DOI:10.1002/macp.1994.021951218