Synthesis and characterization of polyimides containing thiazole moiety
Citation
Kulkarni P.P., Pasale S.K., Ubale V.P. "Synthesis and characterization of polyimides containing thiazole moiety", International Journal of Engineering Trends and Technology (IJETT), V48(5),274-279 June 2017. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
Abstract
Thiazole containing polyimides (PI) TPI-1 and copolyimides (CTPI-2,3,4,5,6) were synthesized from N,N’-Bis-[4-(2-amino-thiazol-4-yl)-phenyl] isophthalamide [ATPIPA] (II) and aromatic dianhydrides via thermal or chemical imidisation method. All polyimides were characterised by IR, NMR, Mass, TGA, DSC, XRD, Viscosity, Solubility. poly (amic acid) had inherent viscosities range from 0.19 to 0.37dL/g. All PI shows good solubility. PI formed by chemical imidisation method could be dissolved in DMAC. All polyimides had glass transition temperature in the range of 250-400 °C. Thus it shows best thermal stability. The temperature of 10% weight loss (T10) were above 190 °C . The residues more than 10% at 900 °C in nitrogen atmosphere. XRD data shows all polyimides have been crystalline nature.
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Keywords
Polyimides, thioazole, solubility.