Synthesis of polyphenylene ether and thioether ketones
✍ Scribed by V. R. Durvasula; F. A. Stuber; D. Bhattacharjee
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 414 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0887-624X
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## Abstract A new monomer, __N,N′‐__bis(4‐phenoxybenzoyl)‐__m__‐phenylenediamine (BPPD), was prepared by condensation of __m__‐phenylenediamine with 4‐phenoxybenzoyl chloride in __N,N__‐dimethylacetamide (DMAc). A series of novel poly(ether amide ether ketone) (PEAEK)/poly(ether ketone ketone) (PEK
## Abstract 2,6‐Bis(β‐naphthoxy)benzonitrile (BNOBN) was synthesized by reaction of β‐naphthol with 2,6‐difluorobenzonitrile in __N__‐methyl‐2‐pyrrolidone (NMP) in the presence of KOH and K~2~CO~3~. Poly(ether ketone ether ketone ketone)(PEKEKK) /poly(ether ether ketone ketone) (PEEKK) copolymers c
## Abstract A series of poly(2‐alkyl‐6‐phenylphenylene ether)s were prepared by the oxidative polymerization of 2‐alkyl‐6‐phenylphenols. Their dielectric constants were approximately 2.5, whereas it was found that the phenyl group at the 6‐position clearly increased the __Q__ factor of the polymer