29Aug 2017

SYNTHESIS, CHARACTERIZATION AND PHYSICO-CHEMICAL PROPERTIES OF POLYCYANURATES CONTAINING S-TRIAZINE RING IN THE MAIN CHAIN?.

  • Department of Chemistry, Veer Narmad South Gujarat University, Udhna-Magdalla Road, Surat, 395 007.
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Several polycyanurates were synthesised by polycondensation of the diacid chloride of 2-(N-methyl piperazine)-4,6-dichloro-s-triazine [MPDCT] with different diols such as: Bisphenol-A [BPA], Bisphenol-C [BPC], Bisphenol-S [BPS], Ethylene glycol [EG], Triethylene glycol [TEG], Propylene glycol [PG], Catechol [C], Resorcinol [R], Hydroquinone [Hq] and Phenolphthalein [Ph]. All the synthesized polycyanurates were characterized by solubility, density, viscosity measurements, IR spectra, NMR spectra and thermo gravimetric analysis [TGA]. The density of polycyanurates are measured pycnometrically, the highest density is 1.259 g/cm3 is found for PCPh while lowest density is 1.114 g/cm3 found for PCEG. Intrinsic viscosity, reduced viscosity and inherent viscosity for all the polycyanurates at various concentrations were determined by using Huggins & Kraemer method. The Intrinsic viscosity of the polycyanurates varies from 0.542 for PCPh to 0.350 for PCEG. The polycyanurates are found to stable more than 400 ?C temperature thus it can be used for high temperature applications. Activation energy calculated for PCEG, PCPG and PCBPS by Broido and Horowitz & Metzger method is found to be 29.45 K.cal./mole, 29.29 K.cal./mole and 15.26 K.cal./mole respectively.

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[ Rahul B. Tailor, Premlata H. Patel, Mohsin A. Belim, Savan V. Patel, Paresh S. Patel, Bipin V. Devani, P, Hitendra K. Bhagatwala and Keshav C. Patel. (2017); SYNTHESIS, CHARACTERIZATION AND PHYSICO-CHEMICAL PROPERTIES OF POLYCYANURATES CONTAINING S-TRIAZINE RING IN THE MAIN CHAIN?. Int. J. of Adv. Res. 5 (Aug). 1913-1928] (ISSN 2320-5407). www.journalijar.com

Rahul B. Tailor
Veer Narmad South Gujarat University, Surat.

DOI:

Article DOI: 10.21474/IJAR01/5257      
DOI URL: https://dx.doi.org/10.21474/IJAR01/5257

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