Synthesis and properties of poly(phthalazinone ether ketone ketone)s containing pendent methyl groups
β Scribed by Lei Ying; Xiao-Ling Yang; Juan Feng; Chen-Yi Wang; Lin Cheng
- Book ID
- 108215332
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 152 KB
- Volume
- 132
- Category
- Article
- ISSN
- 0921-5107
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A series of novel poly(arylene ether ketone)s were synthesized from the reaction of hydroquinone and 4-(4-hydroxyphenyl)-2,3-phthalazin-1-one with 4,4Π-difluorobenzophenone in N-cyclohexylpyrrolidinone containing anhydrous potassium carbonate. The polymers exhibited high glass transition temperature
## Abstract 2,6βBis(Ξ²βnaphthoxy)benzonitrile (BNOBN) was synthesized by reaction of Ξ²βnaphthol with 2,6βdifluorobenzonitrile in __N__βmethylβ2βpyrrolidone (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