An analytic expression for the double quantum 1H nuclear magnetic resonance build-up and decay from a Gaussian polymer chain with dynamics governed by a single relaxation time

2009 ◽  
Vol 11 (32) ◽  
pp. 6918 ◽  
Author(s):  
Michael E. Ries ◽  
Michael G. Brereton
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Relaxation Time ◽  
Magnetic Resonance ◽  
Polymer Chain ◽  
Double Quantum ◽  
Single Relaxation Time ◽  
1H Nuclear Magnetic Resonance ◽  
Analytic Expression ◽  
Nuclear Magnetic

Dynamic Inhomogeneity in Homogeneous Polymer Melts

Soft Matter ◽  
2021 ◽  
Author(s):  
Lin-Lin Chu ◽  
Kaipin Xu ◽  
Robert Graf ◽  
Zhichao Yan ◽  
Junfang Li ◽  
...  
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Ethylene Oxide ◽  
Polymer Melts ◽  
Double Quantum ◽  
Chain Entanglement ◽  
Poly Ethylene Oxide ◽  
Poly Ethylene ◽  
Nuclear Magnetic

Chain entanglement behaviors were studied by 1H Hahn echo nuclear magnetic resonance (NMR) and 1H double-quantum (DQ) NMR experiments. Poly(ethylene oxide) (PEO) was chosen to investigate the chain entanglement behaviors....

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