Segmental dynamics in the crystalline phase of nylon 66: solid state deuterium NMR

1990 ◽  
Vol 23 (8) ◽  
pp. 2153-2169 ◽  
Author(s):  
J. Hirschinger ◽  
H. Miura ◽  
K. H. Gardner ◽  
Alan D. English
1990 ◽  
Vol 23 (8) ◽  
pp. 2169-2182 ◽  
Author(s):  
H. Miura ◽  
J. Hirschinger ◽  
Alan D. English

1998 ◽  
Vol 31 (15) ◽  
pp. 4852-4861 ◽  
Author(s):  
Robert D. O'Connor ◽  
Frank D. Blum ◽  
Eric Ginsburg ◽  
Robert D. Miller

2019 ◽  
Vol 74 (1) ◽  
pp. 85-90
Author(s):  
Marius Schöttle ◽  
Dominik Schuchardt ◽  
Andreas Edenharter ◽  
Sebastian Koch ◽  
Jürgen Senker ◽  
...  

AbstractApplying a nematic liquid crystalline phase of a synthetic Na-hectorite with layer separations >100 nm, the reaction time for pillaring with Al13 Keggin oligocation could be reduced to seconds ensuring that cation exchange is controlled by thermodynamics. With this material at hand we are able to resolve the long-standing dispute regarding the charge of intercalated Keggin oligocations. Micropore sizes as determined by physisorption isotherms, adsorption isotherms obtained via elemental analysis, and results of 27Al solid-state NMR and pyridine probe IR spectroscopy favor a charge of +7 for the Al13 pillars intercalated into hectorite unaltered.


1990 ◽  
Vol 94 (25) ◽  
pp. 8845-8850 ◽  
Author(s):  
E. Gelerinter ◽  
Zeev. Luz ◽  
R. Poupko ◽  
H. Zimmermann

1996 ◽  
Vol 61 (13) ◽  
pp. 4252-4257 ◽  
Author(s):  
Mary-Pierre Marsan ◽  
William Warnock ◽  
Isabelle Muller ◽  
Yoichi Nakatani ◽  
Guy Ourisson ◽  
...  

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