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IJC-B Vol.47B(06) [June 2008] >

Title: Copolyesters based on s-triazine moiety: Synthesis and characterization
Authors: Patel, Bhupesh V
Patel, Hemant S
Patel, Keshav C
Keywords: Copolyesters
Thermogravimetric analysis
Issue Date: Jun-2008
Publisher: CSIR
Abstract: Ten copolyesters have been synthesized by high temperature polycondensation of 2-(β-naphthylamino)-4,6-bis(naphthoxy-3-carbonyl chloride)-s-triazine [NANCCT] with each of the mixture of diols:[Bisphenol-A(BPA)+ Bisphenol-C(BPC)], [BPA+Hydroquinone(Hq)], [BPA+1,5-Dihydroy naphthalene(1,5-DHN)], [BPA+1,4–Dihydroy anthraquinone(1,4-DHA)], [BPA+Catechol(C)], [BPA+Resorcinol(R)], [BPA+Ph], [Ph+1,4-DHA], [Ph+C] and [Ph+R]. All the copolyesters have been characterized by solubility, density, viscosity measurements, IR and NMR spectra, and thermogravimetric analysis. All the copolyesters are soluble at high temperature in acetone, dimethylformamide (DMF), dimethylsulphoxide (DMSO), dimethylacetamide (DMA), etc. and have reduced viscosity in the range 0.400-0.641 dL/g in DMF at 30ºC. Copolyester derived from diol mixture[BPA+1,4-DHA] show greater thermal stability than the other copolyesters.
Page(s): 885-891
ISSN: 0376-4699
Source:IJC-B Vol.47B(06) [June 2008]

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