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Arylidene polymers XIX: Synthesis and properties of aromatic polyphosphate from diarylidenecycloalkanones

✍ Scribed by Kamal I. Aly; Maher F. El-Zohry; Mohamed A. Abd-Alla

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
274 KB
Volume
30
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

Polyphosphate esters were synthesized by interfacial polymerization of 2,5‐bis(p‐hydroxybenzylidene)cyclopentanone, 2,5‐divanillylidenecyclopentanone, 2,6‐bis(p‐hydroxybenzylidene)cyclohexanone, 2,6‐divanillylidenecyclohexanone or 2,7‐bis(p‐hydroxybenzylidene)cycloheptanone with phenyl phosphorodichloridate. The resulting polymers were characterized by elemental analysis, IR spectroscopy, solubility and viscometry measurements. The thermal properties of the polymers were evaluated by TGA measurements and correlated with their structural units. The crystallinity of all the polyphosphate esters was tested by X‐ray analysis.

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