Cyclic Hyperbranched Poly(ether ketone)s Derived from 3,5-Bis(4-fluorobenzoyl)phenol †
✍ Scribed by Kricheldorf, Hans R.; Vakhtangishvili, Lali; Schwarz, Gert; Krüger, Ralph-P.
- Book ID
- 126330919
- Publisher
- American Chemical Society
- Year
- 2003
- Tongue
- English
- Weight
- 160 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0024-9297
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## Abstract **Summary:** 1,3,5‐Tris(4‐fluorobenzoyl)benzene (TFBB) was polycondensed with silylated 4,4′‐dihydroxybiphenyl, bisphenol‐A or 4‐__tert__‐butylcatechol in __N__‐methylpyrrolidine with K~2~CO~3~ as a promoter. The TFBB/diphenol feed ratio was varied from 1.0:1.0 to 1:0:1.5. Partial cross
## Abstract A series of poly(ether imide)s (PEIs) with light colors and good mechanical properties were synthesized from 2,5‐bis(3,4‐dicarboxyphenoxy)biphenyl dianhydride and various aromatic ether–diamines via a conventional two‐step polymerization technique that included ring‐opening polyaddition