Method and apparatus for determining molecular dynamics of mater

Details Method and apparatus for determining molecular dynamics of mater Method and apparatus for determining molecular dynamics of mater

1989-07-28

1992-06-16

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324300, G01R 3320

Patent

active

051227452

ABSTRACT:
A method and apparatus for determining the effects of pressure and/or dissoved gas on the molecular dynamics in solids, such as glassy polymers, or gases sorbed by the solids, involves the use of nuclear magnetic resonance (NMR) spectroscopy wherein a pressure resistant sample cell is combined with an NMR probe which in turn is subjected to a magnetic field, a diffusion gas being injected into the sample cell under varying pressure with resultant NMR spectra being collected and correlated.

REFERENCES:
patent: 4155248 (1979-05-01), Wagner et al.
patent: 4627270 (1986-12-01), Jones
patent: 4769602 (1988-09-01), Vinegar et al.
R. R. Hewitt et al., "Nuclear Quadrupole Resonance . . . Polymers", J. Applied Physics, vol. 43, No. 8, Aug. 1972, pp. 3386-3392.

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