NMR study of chain rupture and slip during stretching of oriented polymers
1986
An NMR study of the rupture and slip of tie chains occurring during the stretching of a polymer has been carried out to determine the extent to which such processes influence strain in relation to the intensity of the narrow component C in the NMR spectrum. Using C(ϵ) plots for loading and unloading of the polymer one can determine whether rupture of slip is the dominant process during stretching. Analysis of the NMR data shows that in the case of highly oriented polycaproamide it is in fact chain rupture that predominates.
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