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A study of molecular motion in a liquid-crystalline copolyester by broad-line nuclear magnetic resonance

โœ Scribed by J. Clements; J. Humphreys; I. M. Ward


Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
617 KB
Volume
24
Category
Article
ISSN
0887-6266

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Study of molecular motion in polysilasty
โœ McGarvey, Bruce R. ;Schlick, Shulamith ๐Ÿ“‚ Article ๐Ÿ“… 1982 ๐Ÿ› Wiley (John Wiley & Sons) ๐ŸŒ English โš– 394 KB

## Abstract Pulsed NMR spectra of protons in polysilastyrene, $ \rlap{--} [{\rm Si(CH}\_{\rm 3} {\rm )}\_{\rm 2} {\rm ๏ฃฟ Si(CH}\_{\rm 3} )({\rm C}\_6 {\rm H}\_5 )\rlap{--} ]\_n $, with __n__ โ‰ˆ 60, have been measured in the temperature range 80โ€“450 K. The linewidth is constant at 7.4 G up to 200 K an