Summary
A series of soluble 6F polyimides were prepared from monodisperse diamineterminated oligo(phenylene thioether)s varying the number of phenylene thioether units between one and six. In a formic acid/hydrogen peroxide slurry the 6F poly(arylene thioether imide)s were converted into the corresponding poly(arylene sulfone imide)s containing controlled oligo(phenylene sulfone) segments. The oxidation process and the influence of oligo(phenylene thioether) and oligo(phenylene sulfone) segments on polymer phase transitions and thermal degradation were investigated.
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Glatz, F.P., Mülhaupt, R. Syntheses and properties of soluble poly(arylene thioether imide)s and the corresponding poly(arylene sulfone imide)s. Polymer Bulletin 31, 137–143 (1993). https://doi.org/10.1007/BF00329958
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DOI: https://doi.org/10.1007/BF00329958