Aromatic homopolymers obtained by precipitation polycondensation: 1. Synthesis of naphthalene-containing polyketones

High molecular weight film-forming semicrystalline aromatic polyketones with a regular structure were obtained by precipitation electrophilic Friedel-Crafts polycondensation of 2,6-naphthalenedicarboxylic acid chloride with diphenyl ether, 1,4-bis( p-phenoxy) benzophenone and 1,4-bis( p-phenoxybenzo...

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Bibliographic Details
Published in:Polymer (Guilford) 1995, Vol.36 (18), p.3575-3583
Main Authors: Zolotukhin, M.G., Dosière, M., Fougnies, C., Villers, D., Gileva, N.G., Fatykhov, A.A.
Format: Article
Language:English
Subjects:
poly(aryl ether ketone)s
precipitation polycondensation
synthesis
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Summary:High molecular weight film-forming semicrystalline aromatic polyketones with a regular structure were obtained by precipitation electrophilic Friedel-Crafts polycondensation of 2,6-naphthalenedicarboxylic acid chloride with diphenyl ether, 1,4-bis( p-phenoxy) benzophenone and 1,4-bis( p-phenoxybenzoyl) benzene. Using 1H and 13C n.m.r. spectroscopy, the polyketones obtained were shown to be linear with para-substituted arylene fragments in the main chain. These polymers are soluble in strong protic acids and in common organic solvents, such as dichloroacetic acid and CHCl 3/CF 3CO 2H mixtures. Depending on the chemical structure, these ‘as-made’ polyketones were found to show multiple melting behaviour on heating.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(95)92030-I