Chain Growth Polycondensation as a Polymer Generating Reaction in the Synthesis of Oligo(p-phenyleneethynylene)s with Low Polydispersity
| Autor: | Alexander L. Rusanov, Alexander V. Barzykin, Aleksey I. Kovalev, Kazuhiko Takeuchi, Mitsuru Ueda, Michihiko Asai |
|---|---|
| Rok vydání: | 2005 |
| Předmět: |
chemistry.chemical_classification
Reaction mechanism Condensation polymer Polymers and Plastics Molecular mass Organic Chemistry Dispersity Side reaction Polymer Condensed Matter Physics Oligomer chemistry.chemical_compound chemistry Polymer chemistry Materials Chemistry Molar mass distribution Physical and Theoretical Chemistry |
| Zdroj: | Macromolecular Chemistry and Physics. 206:2112-2121 |
| ISSN: | 1521-3935 1022-1352 |
| DOI: | 10.1002/macp.200500154 |
| Popis: | The polycondensation of 1-ethynyl-2,5-dihexyl-4-iodobenzene in the presence of 1-ethynyl-2,5-dihexyl-4-(2-phenylethynyl)benzene proceeds according to the mechanism of initiated chain growth polycondensation. It has allowed the synthesis of oligomers with a desired molecular weight and a narrow molecular weight distribution. The reasons for the side reaction leading to the formation of diyne compounds are revealed and the presumed mechanism is given. This opens prospects for the preparation of defectless poly(p-phenyleneethynylene)s with required molecular weights and narrow molecular weight distributions. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Plný text