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Nature of acidic protons in metallosilicate molecular sieves as studied by variable temperature1H MAS NMR

✍ Scribed by Toshihide Baba; Yuki Morikawa; Norito Komatsu; Toshiro Takahashi; Hisashi Sugisawa; Yoshio Ono

Book ID
111759428
Publisher
Springer Netherlands
Year
2000
Tongue
English
Weight
316 KB
Volume
26
Category
Article
ISSN
0922-6168

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## Abstract In order to obtain some insight into the structure of an ultrahigh‐molecular‐weight polyethylene sample, ^13^C CP/MAS NMR experiments have been carried out at temperatures from 23 to βˆ’108Β°C. The peak for the crystalline component moves upfield with a decrease in temperature, which is co