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The interfacial interaction of the basal plane of graphite single crystals and poly(aryl‐ether‐etherketone) (PEEK) was investigated using Fourier transform infrared reflection‐absorption spectroscopy (FT‐IR‐RAS). PEEK melt‐quenched on the basal plane of a graphite single crystal does not show preferential orientation. However, upon annealing, the polymer chains crystallize perpendicularly to the basal plane of the graphite single crystal. The rate of this surface‐induced orientation during crystallization is found to be dependent on the film thickness. These results were verified by using model compounds of PEEK and by calculations based on optical theories.
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Huy et al. (1986) studied this question.
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