SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1, 4-PHENYLENE OXIDE)

YAN Xin; HU Jianzhi; YAO Shuren; YE Chaohui; ZHANG Baozhen

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SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1, 4-PHENYLENE OXIDE)

Papers | Updated：2021-06-21

- SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1, 4-PHENYLENE OXIDE)
- SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1, 4-PHENYLENE OXIDE)
- 高分子科学（英文版） 1995年13卷第3期页码：252-258
- Affiliations：
  
  1.   Lab. of Polymer Research
  2.   Naval Academy of Engineering
  3.   Wuhan 430033
  4.   Lab. of Magnetic Resonance and Atomic and Molecular Physics
  5.   The Chinese Academy of Sciences
  6.   Wuhan 430071
- Author bio：
- Funds：
- DOI：
  中图分类号： O631.3
- 纸质出版：1995-09-20
- Accepted：
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[1]晏欣,胡建治,姚树人,叶朝辉,张宝真.SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1,4-PHENYLENE OXIDE)[J].Chinese Journal of Polymer Science,1995,{4}(03):252-258.

YAN Xin, HU Jianzhi, YAO Shuren, et al. SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1, 4-PHENYLENE OXIDE)[J]. 1995, 13(3): 252-258.
[1]晏欣,胡建治,姚树人,叶朝辉,张宝真.SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1,4-PHENYLENE OXIDE)[J].Chinese Journal of Polymer Science,1995,{4}(03):252-258. DOI：

YAN Xin, HU Jianzhi, YAO Shuren, et al. SOLID-STATE HIGH RESOLUTION NMR STUDY ON POLY (2, 6-DIMETHYL-1, 4-PHENYLENE OXIDE)[J]. 1995, 13(3): 252-258. DOI：

摘要

正

Experiments including

C spin-lattice relaxation

C heteronuclear dipolar dephasing and

H spin diffusion are performed on poly （2

6-dimethyl-1

4-phenylene oxide）（PPO）. Theresults show that the rotation of the methyl groups in solid PPO is partially restricted

whichresults in a surprisingly efficient spin diffusion between the aromatic proton and methyl protoncharacterized by a diffusion time of 150μs. The results also show that the aromatic ring insolid PPO is rigid and twisted

which causes all aromatic carbons to be chemicallyunequivalent.

Abstract

Experiments including

C spin-lattice relaxation

C heteronuclear dipolar dephasing and

H spin diffusion are performed on poly （2

6-dimethyl-1

4-phenylene oxide）（PPO）. Theresults show that the rotation of the methyl groups in solid PPO is partially restricted

which causes all aromatic carbons to be chemicallyunequivalent.

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