Summary
A novel poly(ether ether ketone) (PEK-C) from phenolphthalein was found to be miscible with poly(hydroxy ether of bisphenol A) (phenoxy) as shown by the existence of a single glass transition temperature (Tg) in each blend. A FTi.r. study revealed that a hydrogen-bonding interaction occurs between these two polymeric components and its strength is weaker than that in pure phenoxy. FEK-C was judged to be miscible with polysulfone based on the existence of a single composition-dependent glass transition temperature.
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Qipeng, G., Jinyu, H. & Tianlu, C. Miscibility of phenolphthalein poly(ether ether ketone) with poly(hydroxy ether of bisphenol A) and polysulfone. Polymer Bulletin 20, 517–520 (1988). https://doi.org/10.1007/BF00263665
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DOI: https://doi.org/10.1007/BF00263665