Large-sized macrocyclic monomeric precursors of poly(ether ether ketone): Synthesis and polymerization

Macromolecules

Volumn 29, Issue 16, 1996, Pages 5502-5504

  Chen, Mingfei ^a   Gibson, Harry W ^a  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DIFFERENTIAL SCANNING CALORIMETRY; GLASS TRANSITION; MACROMOLECULES; MASS SPECTROMETRY; MOLECULAR STRUCTURE; MONOMERS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PHENOLS; RING OPENING POLYMERIZATION; THERMODYNAMIC STABILITY;

BISPHENOLS; CESIUM FLUORIDE; CYCLIZATION REACTIONS; MACROCYCLIC MONOMERIC PRECURSORS; SODIUM PHENOXYPHENOXIDE;

POLYETHER ETHER KETONES;

EID: 0030196362     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma9603589     Document Type: Article

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17. Ganguly, S.; Gibson, H. W. Macromolecules 1993, 26, 2408. Xie, D.; Gibson, H. W. Macromol. Chem. Phys., submitted.
18. Chen, M.; Gibson, H. W. Proceedings of the 35th IUPAC International Symposium on Macromolecules, Akron, OH, 1994.
19. +, determined 399.0, calculated 399.1.
20. +, determined 687.0, calculated 687.2.
21. Kricheldorf, H. R.; Delius, U. Macromolecules 1989, 22, 517. No ferric chloride was used. Our yield (95%) and melting point (232.1-235.3 °C) were significantly higher than reported.
22. Total monomer concentration at end of addition if no reaction had occurred: 3a, 6.6 mM; 3b, 1.9 mM.
23. +, determined 864.2, calculated 864.2
24. +, determined 1729.6, calculated 1729.5.
25. 14 for what they believed was the cyclic tetramer, i.e., 5c.
26. Chen, M.; Fronczek, F.; Gibson, H. W. Macromol. Chem. Phys., in press.