Magic-Angle Carbon-13 Nuclear Magnetic Resonance Spectra of Filled Rubber

1972 ◽  
Vol 5 (6) ◽  
pp. 798-801 ◽  
Author(s):  
Jacob Schaefer ◽  
Stanely H. Chin ◽  
S. I. Weissman
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Magic Angle ◽  
Filled Rubber ◽  
Nuclear Magnetic Resonance Spectra ◽  
Magnetic Resonance Spectra ◽  
Nuclear Magnetic

Magic-Angle Carbon-13 Nuclear Magnetic Resonance Spectra of Filled Rubber

1973 ◽  
Vol 46 (5) ◽  
pp. 1127-1133
Author(s):  
J. Schaefer ◽  
S. H. Chin ◽  
S. I. Weissman
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Magic Angle ◽  
Methylene Carbon ◽  
Sample Rotation ◽  
Filled Rubber ◽  
Nuclear Magnetic Resonance Spectra ◽  
Line Narrowing ◽  
Magnetic Resonance Spectra ◽  
Nuclear Magnetic

Abstract Line narrowing by a factor of 3-4 has been achieved in the CNMR spectra of a black-filled, vulcanized cis-poly(isoprenc) by 1 kHz sample rotation at the magic angle. The narrowing permits the resolution of a new methylene carbon line not present in the spectrum of an unfilled, nonvulcanized, otherwise comparable cis-poly (isoprene).

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