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Polymers from aromatic nitriles and amines: Polybenzimidazoles and related polymers

✍ Scribed by D.I Packham; J.D Davies; H.M Paisley

Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
444 KB
Volume
10
Category
Article
ISSN
0032-3861

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Preparation and characterization of fluorine-containing aromatic condensation polymers, 5. Aromatic polybenzimidazoles from 4,4β€²-(hexafluoroisopropylidene)dibenzoic acid and aromatic tetramine tetrahydrochlorides
✍ Yasuo Saegusa; Masahiro Horikiri; Shigeo Nakamura πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 358 KB

## Abstract Two novel fluorine‐containing aromatic polybenzimidazoles were synthesized by direct polycondensation of 4,4′‐(hexafluoroisopropylidene)dibenzoic acid with 3,3′‐diaminobenzidine tetrahydrochloride and 1,2,4,5‐benzenetetramine tetrahydrochloride. The effect of introduction of fluorine on