Mousa Ghaemy, Hossein Mighani, Raouf Alizadeh. SYNTHESIS AND CHARACTERIZATION OF SCHIFF-BASE-CONTAINING POLYAMIDES[J]. Chinese Journal of Polymer Science, 2011, 29(2): 149-155.
DOI:
Mousa Ghaemy, Hossein Mighani, Raouf Alizadeh. SYNTHESIS AND CHARACTERIZATION OF SCHIFF-BASE-CONTAINING POLYAMIDES[J]. Chinese Journal of Polymer Science, 2011, 29(2): 149-155.DOI: 10.1007/s10118-010-1004-8.
SYNTHESIS AND CHARACTERIZATION OF SCHIFF-BASE-CONTAINING POLYAMIDES
A series of new Schiff base polyamides (PAs) were synthesized by polycondensation of benzilbisthiosemicarbazone diamine (LH
6
) with different commercially available aliphatic and aromatic diacid chlorides. The monomer and all the PAs were characterized by FTIR
1
H-NMR
and elemental analysis. The prepared polyamides showed inherent viscosities in the range of 0.30-0.36 dL/g in DMF at 25℃
indicating their moderate molecular weight. The PAs were completely soluble in aprotic polar solvents such as dimethylformamide (DMF)
N
-methylpyrolidone (NMP)
tetrachloroethane (TCE)
dimthylsulfoxide (DMSO) and also in H
2
SO
4
and partially soluble in THF
acetone and chloroform at room temperature. Thermal analysis showed that these PAs were practically amorphous and exhibited 10% weight loss above 220℃.
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