Citation:
Ismet Kaya, Süleyman Culhaoglu. SYNTHESES AND CHARACTERIZATIONS OF OLIGO(AZOMETHINE ETHER)S DERIVED FROM 2,2-[1,4-ENYLENEBIS(METHYLENEOXY)]DIBENZALDEHYDE AND 2,2'-[1,2-PHENYLENEBIS(METHYLENEOXY)]DIBENZALDEHYDE[J]. Chinese Journal of Polymer Science,
2012, 30(5): 682-693.
doi:
10.1007/s10118-012-1143-1
SYNTHESES AND CHARACTERIZATIONS OF OLIGO(AZOMETHINE ETHER)S DERIVED FROM 2,2-[1,4-ENYLENEBIS(METHYLENEOXY)]DIBENZALDEHYDE AND 2,2'-[1,2-PHENYLENEBIS(METHYLENEOXY)]DIBENZALDEHYDE
English
SYNTHESES AND CHARACTERIZATIONS OF OLIGO(AZOMETHINE ETHER)S DERIVED FROM 2,2-[1,4-ENYLENEBIS(METHYLENEOXY)]DIBENZALDEHYDE AND 2,2'-[1,2-PHENYLENEBIS(METHYLENEOXY)]DIBENZALDEHYDE
Abstract:
The oligo(azomethine ether)s were synthesized via polycondensation of alkyl diamines with aromatic dialdehydes. Two series of dialdehydes, namely 2,2-[1,2-phenylenebis(methyleneoxy)]dibenzaldehyde [2,2-1,2-(PBMODB)] and 2,2-[1,4-phenylenebis(methyleneoxy)]dibenzaldehyde [2,2-1,4-(PBMODB)] were prepared from the condensation reactions of salicylaldehyde with o-xylenedibromide and p-xylenedibromide, respectively. The structures of dialdehydes and oligomers were determined by FT-IR, 1H-NMR and 13C-NMR. The thermal analyses of oligomers were conducted by DSC and TG/DTA techniques, respectively. Size exclusion chromatography (SEC) technique was also used to determine molecular weights and molecular weight distributions of oligomers. Electrochemical properties of the synthesized products were investigated.
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Key words:
- Polyazomethine
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