|
چکیده
|
Aromatic/aliphatic polyamides (PAs) were synthesized from a new diacid monomer, aminohippuricterephthaloyl diacid, with various commercial aliphatic and aromatic diamines. The diacid and the prepared polyamides were characterized by elemental analyis, FTIR, and 1HNMR. The PAs were all soluble in common organic solvents such as dimethylsulfoxide (DMSO), N,N-dimethylformamide (DMF), and N-methylpyrolidone (NMP). The PAs showed inherent viscosity in the range of 0.3-0.35 dl/g in NMP at 25 °C and good thermal stability with the char yield in the range of 24-85% at 650 °C in nitrogen atmosphere[1-3].
|