## A~~act~ompa~~n of "C NMR spectra in solid pitches taken under conditions of: cross polarization with strong proton decoupling, but no sample rotation (CP), and cross polarization with strong proton decoupling and magic angle sample spinning (CP/MAS) indicate that there is a considerable loss of
β¦ LIBER β¦
Early coalification features as approached by solid state 13C CP/MAS NMR spectroscopy
β Scribed by S. Kalaitzidis; A. Georgakopoulos; K. Christanis; A. Iordanidis
- Book ID
- 116501842
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 832 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0016-7037
No coin nor oath required. For personal study only.
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## Abstract In order to obtain some insight into the structure of an ultrahighβmolecularβweight polyethylene sample, ^13^C CP/MAS NMR experiments have been carried out at temperatures from 23 to β108Β°C. The peak for the crystalline component moves upfield with a decrease in temperature, which is co