The spherulitic morphology of poly(ether‐ether‐ketone) Systematic name: poly(oxy‐1, 4‐phenyleneoxy‐1,4‐phenylenecarbonyl‐1,4‐phenylene). (PEEK) has been studied by using polarizing light microscopy, IR and differential scanning calorimetry. It has been found that in distinct cases the spherulites of PEEK show radiated or banded morphology, which can change from one to another upon thermal treatment. The process was found to be reversible and also affected by the film thickness.
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Zhang et al. (1992) studied this question.
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