Thermotropic Liquid Crystalline Polyesters Using Aromatic Rigid Diols, Unsaturated Fumaric Acid and Flexible Sebacic Acid

Wale, Apparav; Mule, Smita; Dhage, Atul; Mulani, Khudbudin; Ponrathnam, Surendra; Chavan, Nayaku

doi:10.33945/SAMI/AJCA.2020.4.12

Document Type : Original Research Article

Authors

Chemical Engineering and Process Development Division, National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan Pune-411 008, India

https://doi.org/10.33945/SAMI/AJCA.2020.4.12

Abstract

In the present study, seven different series of thermotropic liquid crystalline polyesters (TLCPs) containing unsaturated fumaroyl chloride and flexible sebacoyl chloride were synthesized using the interfacial polymerization methodology. Homopolyesters prepared with saturated flexible spacer such as sebacoyl chloride were mesomorphic whereas homopolyesters synthesized using unsaturated aliphatic spacer such as fumaroyl chloride that was non-mesomorphic. Aromatic diad and triad based mesogenic diols were selected as rigid moiety for liquid crystalline phase formation. Within each series, copolyesters were synthesized by varying relative mole ratio of the above two aliphatic diacid chlorides. Most of the liquid crystalline polyesters showed solubility in phenol:tetrachloroethane (60:40) at 40 ᵒC.

Graphical Abstract

Keywords

References

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Advanced Journal of Chemistry, Section A

Thermotropic Liquid Crystalline Polyesters Using Aromatic Rigid Diols, Unsaturated Fumaric Acid and Flexible Sebacic Acid

References

References

Volume 3, Issue 4
July and August 2020
Pages 510-523

Thermotropic Liquid Crystalline Polyesters Using Aromatic Rigid Diols, Unsaturated Fumaric Acid and Flexible Sebacic Acid

References

References

Volume 3, Issue 4July and August 2020Pages 510-523

Volume 3, Issue 4
July and August 2020
Pages 510-523