Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Synthesis and characterization of wholly aromatic polyesters using interfacial polycondensation technique
Author(s): Sangita G. Sanadhya, S. L. Oswal and Ketan C. ParmarEleven wholly-aromatic polyesters were synthesized by interfacial polycondensation of various aromatic diacid chlorides such as terephthaloyl chloride (TPCL) and isophthaloyl chloride (IPCL) with various aromatic diols such as bisphenol-A (BPA), resorcinol (RES), 1,5-dihydroxy naphthalene(15DHN), 4,4’-bis(hydroxyl)benzilidine aniline (BHBA), 4,4’-bis(hydroxybenzilidine) benzidine (BHBB), 4,4’-bis(hydroxybenzilidine)-p- phenylenediamine (BHBP), 4,4’-bishydroxy biphenyl thioether (BHBPT) using chloroform-water interphase system, alkali as an acid acceptor and citramide as phase transfer catalyst at ambient temperature. The resulting polyesters were characterized by solubility test, elemental analysis, intrinsic viscosity measurements, FT-IR, and 1H-NMR spectral analysis, and thermogravimetric analysis.
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Citations : 25868
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