Journal article
Observation of immobile regions in natural rubber at ambient temperature by solid-state C-13 CP/MAS NMR spectroscopy
In
Polymer
—
1999, Volume 40, Issue 25, pp. 7013-7017
Abstract
Employing C-13 CP/MAS NMR spectroscopy, the existence of immobile regions in natural rubber (cis-1,4-polyisoprene) corresponding to a few percent of the monomer units has been detected at ambient temperature. For synthetic rubbers no immobile regions have been detected at all. Applying different physical and chemical treatments to natural rubber it is shown that mastication, gamma-irradiation, and increasing the temperature, slightly above the ambient, reduce the amount of immobile regions. (C) 1999 Elsevier Science Ltd.
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| Language: | English |
|---|---|
| Year: | 1999 |
| Pages: | 7013-7017 |
| ISSN: | 18732291 and 00323861 |
| Types: | Journal article |
| DOI: | 10.1016/S0032-3861(99)00053-1 |
Keywords
