## Abstract Two aromatic, pyridine‐based ether diamines were prepared by the nucleophilic aromatic substitution reaction of 4‐aminophenol and 5‐amino‐1‐naphthol with 2,6‐dichloropyridine in __N__‐methyl‐2‐pyrrolidone as a solvent. Polycondensation reactions of the obtained diamines with pyromelliti
Thermally stable and organosoluble cardo binaphthylene based poly(amide imide)s and poly(ester imide)s
✍ Scribed by Hossein Behniafar; Ashkan Jafari
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 160 KB
- Volume
- 100
- Category
- Article
- ISSN
- 0021-8995
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Two new series of poly(imide-ester)s and poly(imide-urethane)s have been synthesized from various N,N@-bis(u-hydroxyalkyl)pyromellitimides (HAPMIs). The poly(imide-ester)s were prepared from terephthalic acid with HAPMIs by melt polycondensation while poly(imide-urethane)s were obtained from HAPMIs
## Abstract A new class of aromatic poly(urea‐imide)s having biphenylene pendant group was prepared by the diphenyl azidophosphate (DPAP) activated one‐pot polyaddition reaction of a preformed imide ring‐containing dicarboxylic acid, 4‐__p__‐biphenyl‐2,6‐bis(4‐trimellitimidophenyl)pyridine (**1**)
Novel poly(amide imide)s having inherent viscosities in the range 0.89-1.56 dL/g were prepared by the method of low temperature polycondensation in solution of N,N-dimethylacetamide (DMA) from aromatic diamines and a new monomer: N-[4"-(chloroformylphenyl) -4'-iminobenzoyl] trimellitimide chloride.