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- Title
Influence of the Cross-Linking Density on the Main Dielectric Relaxation of Poly(methyl acrylate) Networks.
- Authors
Meseguer^Dueñas, J. M.; Mateo, J. Molina; Ribelles, J. L. Gómez
- Abstract
The article focuses on the influence of the cross-linking density on the main dielectric relaxation of poly(methyl acrylate) networks. It uses dielectric relaxation spectroscopy (DRS) in the temperature range of the main dielectric relaxation. The temperature range in which glass transition takes place became wider with increasing crosslinking density. DRS results were analyzed using the Havriliak-Negami equation. In the loosely cross-linked networks the relaxation strength decreases monotonously as temperature increases, as in the main dielectric relaxation of linear polymers. In highly cross-linked networks the curve of relaxation strength against temperature presents a maximum.
- Subjects
CROSSLINKING (Polymerization); DIELECTRIC relaxation; POLYMETHYLMETHACRYLATE; SPECTRUM analysis; POLYMERS; TEMPERATURE
- Publication
Polymer Engineering & Science, 2005, Vol 45, Issue 10, p1336
- ISSN
0032-3888
- Publication type
Article
- DOI
10.1002/pen.20400