Case II diffusion in the PVC and acetone system.
This paper describes how nuclear magnetic resonance (NMR) has been used to study case II diffusion of acetone into PVC. NMR is supported by Ion Beam Nuclear Reaction Analysis and Gravimetric Analysis. A series of experiments with different PVC exposure times to acetone vapour have shown the observable physical characteristics of case II diffusion. Experiments in the temperature range 20-50 degrees C have yielded the temperature dependence of the front velocity and the T2 values of the acetone and PVC components.
Perry
K L
KL
Department of Physics, University of Surrey, Guildford, UK.
McDonald
P J
PJ
Clough
A S
AS
D000096:Acetone; D004058:Diffusion; D009682:Magnetic Resonance Spectroscopy; D011143:Polyvinyl Chloride; D013696:Temperature
D000096:Acetone; D011143:Polyvinyl Chloride