A series of unfilled elastomers, consisting of different polymers and crosslink densities is investigated by dynamic mechanical thermal analysis (DMTA) and NMR relaxation. A broad range of 8 decades of molecular mobilities is covered with polymers differing in their side groups and the measurement temperatures. With the help of the WLF-equation the molecular jump frequency is derived by dynamic mechanical analysis, which correlates with the NMR quantity T2. An empirical power law describes the data quite well on a log-log plot.
Application of NMR in the tire industry
Anwendung der NMR in der Reifenindustrie
Kautschuk, Gummi, Kunststoffe ; 57 , 1/2 ; 22-27
2004
6 Seiten, 4 Bilder, 2 Tabellen, 14 Quellen
Article (Journal)
English
Application of NMR in the tire industry
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