Jump to main content
Jump to site search
Access to RSC content Close the message box

Continue to access RSC content when you are not at your institution. Follow our step-by-step guide.

Issue 16, 2015
Previous Article Next Article

Chemistry of aromatic polythioesters and polydithioesters

Author affiliations


Aromatic polythioesters (abbreviated as PyTS2) and polydithioesters (PyTS4) (y: the number of methylene units = 2–5), analogues of the common aromatic polyesters such as poly(ethylene terephthalate) and poly(butylene terephthalate), have been synthesized and characterized in terms of solubility, crystallinity, glass transition, melting, thermal decomposition, molecular motion, and thermal transition. Conformational characteristics of the S–(CH2)y–S bond sequences of the two groups of polymers were investigated through NMR and single crystal X-ray diffraction experiments as well as molecular orbital calculations for their model compounds. The synthetic scheme developed previously for P2TS4 has been successfully extended to its higher homologues, PyTS4 (y = 3–5). The structure of the monomer, tetrathioterephthalic acid (S4TPA) complexed with piperidinium (Pip), was determined, and the molar ratio of S4TPA : Pip was evaluated as 1 : 2 from elemental analysis and density functional theoretical simulations for its 1H and 13C NMR spectra. Two polydithioesters, P3TS4 and P4TS4, show an endothermic change around 130–150 °C. By X-ray diffraction and solid state NMR experiments, the endotherm was proved to be due to an irreversible crystalline-to-amorphous transition.

Graphical abstract: Chemistry of aromatic polythioesters and polydithioesters

Back to tab navigation

Associated articles

Supplementary files

Article information

09 Dec 2014
25 Feb 2015
First published
25 Feb 2015

Polym. Chem., 2015,6, 3131-3142
Article type
Author version available

Chemistry of aromatic polythioesters and polydithioesters

D. Abe, Y. Fukuda and Y. Sasanuma, Polym. Chem., 2015, 6, 3131
DOI: 10.1039/C4PY01702A

Social activity

Search articles by author