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13C NMR Chemical shift and crystal structure of polyethylene chains in the solid state as studied by tight-binding theory within the INDO/S framework

✍ Scribed by Hiromichi Kurosu; Isao Ando; Takeshi Yamanobe

Book ID: 113256919
Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 525 KB
Volume: 201
Category: Article
ISSN: 0166-1280
DOI: 10.1016/0166-1280(89)87078-2

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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 −108°C. The peak for the crystalline component moves upfield with a decrease in temperature, which is co