Summary
Aromatic polyamides were obtained by the direct polycondensation reaction of a new monomer containing a 6,6'-sulfonediquinoline unit with various aromatic diamines. The polymers were characterised by elemental, infrared, wide angle X-ray diffraction and thermal analysis. The polyamides, possessed inherent viscosities in the range 0.24 – 0.43 dl g−1, 10% weight loss in nitrogen and air above 410°C and glass transition temperatures in the range 170–220°C. The polyamides obtained by reaction with 4,4'-methylenedianiline and 4,4'-sulfonyldianiline were soluble on heating in N-methyl-2-pyrrolidinone and partially soluble in dimethylacetamide. Solubility and thermal properties of copolyamides, prepared from the reaction of 4,4'-oxydianiline with the new monomer and the 4,4'-dicarboxydiphenyl sulfone, were also studied.
Similar content being viewed by others
Author information
Authors and Affiliations
Additional information
Received: 5 October 1998/Revised version: 19 April 1999/Accepted: 19 April 1999
Rights and permissions
About this article
Cite this article
Bottino, F., Di Pasquale, G., Pollicino, A. et al. Synthesis and characterization of new polyamides and copolyamides containing 6,6'-sulfonediquinoline units. Polymer Bulletin 42, 519–526 (1999). https://doi.org/10.1007/s002890050497
Issue Date:
DOI: https://doi.org/10.1007/s002890050497