Poly(Aryl Ether Ketones) Bearing Alkyl Side Chains
| Autor: | Scott Gronewald, Patrick E Cassidy, John W Fitch, Jesse Arbaugh, Heath Herbold, Dennis Jurek |
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| Rok vydání: | 2001 |
| Předmět: |
Polymers and Plastics
Aryl Organic Chemistry Structural formula Ether 02 engineering and technology Alkylation 021001 nanoscience & nanotechnology chemistry.chemical_compound 020401 chemical engineering chemistry Polymer chemistry Materials Chemistry Side chain Organic chemistry Thermal stability 0204 chemical engineering Solubility 0210 nano-technology |
| Zdroj: | High Performance Polymers. 13:S117-S121 |
| ISSN: | 1361-6412 0954-0083 |
| DOI: | 10.1088/0954-0083/13/2/311 |
| Popis: | Poly(aryl ether ketones) containing pendant alkyl side chains were prepared by the nucleophilic displacement reaction of 2,2-bis(4-hydroxphenyl)tridecane, 2-2,bis(4hydroxyphenyl)nonadecane and bisphenol AF with 2,2-bis-[4-(4-fluorobenzoyl)phenyl]propane and 2,2-bis[4-(4-fluorobenzoyl)phenyl]hexa-fluoropropane in the presence of potassium carbonate in N,N-dimethylacet-amide. The polymers had inherent viscosities up to 1.04 dl g−1 in chloroform, formed creaseable films and were soluble in common organic solvents. Their dielectric constants were below 2.60 (at 10 GHz). The inclusion of the alkyl side chains lowered the Tg, thermal stability and char yield of fluorinated poly(ether ketone) as expected. |
| Databáze: | OpenAIRE |
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