Novel polyesters and polyester/Cloisite 30B nanocomposites based on a new rhodanine-based monomer

A novel bis-diol monomer, 3,3'-bis-(2-hydroxyethyl)-2,2'-dithioxo-[5,5']bithiazolidinylidene-4,4'-dione, was prepared in a one-pot three component reaction and used in a polyesterification reaction with various aromatic dicarboxylic acids using tosyl chloride/dimethylformamide/py...

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Bibliographic Details
Published in:Polymer science. Series B 2017-05, Vol.59 (3), p.268-280
Main Authors: Nasiri, F., Mansoori, Y., Rostamzadeh, N.
Format: Article
Language:English
Subjects:
Chemical synthesis
Chemistry
Chemistry and Materials Science
Chlorides
Clay
Condensation
Dicarboxylic acids
Diffraction
Fourier transforms
Infrared spectroscopy
Nanocomposites
Polyester resins
Polymer Sciences
Spectroscopic analysis
Synthesis
Transmission electron microscopy
X-ray diffraction
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Summary:A novel bis-diol monomer, 3,3'-bis-(2-hydroxyethyl)-2,2'-dithioxo-[5,5']bithiazolidinylidene-4,4'-dione, was prepared in a one-pot three component reaction and used in a polyesterification reaction with various aromatic dicarboxylic acids using tosyl chloride/dimethylformamide/pyridine system as a condensing agent in order to generate a series of new polyesters. The prepared polyesters were characterized by FTIR spectroscopy and elemental analysis. In the next part, a series of polyester/clay nanocomposites were synthesized through a polyesterification reaction of the synthesized monomer with iso-phthalic acid. Cloisite 30B was used as the filler at different concentrations. Wide-angle X-ray diffraction and transmission electron microscopy studies showed that the organoclay layers are mainly exfoliated in the nanocomposites containing 1 wt % of Cloisite 30B.
ISSN:1560-0904
1555-6123
DOI:10.1134/S1560090417030137