NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE

QIN Wei; SHEN Yimin; FEI Lun

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NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE

Papers | Updated：2021-06-21

- NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE
- NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE
- 高分子科学（英文版） 1993年11卷第4期页码：358-363
- Affiliations：
  
  1. Center for Analysis Measurement, Fudan University,Shanghai,200433
  2. Fudan University
  3. Shanghai 200433
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：1993-12-20
- Accepted：
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[1]秦伟,沈伊民,费伦.NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE[J].Chinese Journal of Polymer Science,1993,{4}(04):68-73.

QIN Wei, SHEN Yimin, FEI Lun. NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE[J]. 1993, 11(4): 358-363.
[1]秦伟,沈伊民,费伦.NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE[J].Chinese Journal of Polymer Science,1993,{4}(04):68-73. DOI：

QIN Wei, SHEN Yimin, FEI Lun. NMR IMAGING OF ACETONE DIFFUSION PROCESS IN POLYCARBONATE[J]. 1993, 11(4): 358-363. DOI：

摘要

正

Acetone diffusion in polycarbonate was investigated by spin-echo

H NMR imaging method at room temperature. The result shows that the diffusion process satisfies Case Ⅱdiffusion. The velocity of diffusion front is 13.8nm sec

-1

（0.05mm/h）.

Abstract

Acetone diffusion in polycarbonate was investigated by spin-echo

H NMR imaging method at room temperature. The result shows that the diffusion process satisfies Case Ⅱ diffusion. The velocity of diffusion front is 13.8nm sec

-1

（0.05mm/h）.

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