All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

Abstract

Synthesis and characterization of new polyamides bearing 1,1'-thiodi (2-methoxy-3-naphthoyl) structure in the main chain: Microwave synthesis, nanostructures

Author(s): Esmael Rostami, Hojjatolah Fathi, Ayoub Nemati Ziarati

Newpolyamides containing 1,1’-thiodi (2-methoxy-3-naphthoyl) structure were prepared undermicrowave irradiation usingYamasaki phosphorilation method and their solubility, thermal behavior and viscosity were evaluated. The structures of polymers were characterized using IR, 1H NMR spectroscopy and elemental analysis. These polyamides showed good solubility, viscosity, high thermal stability and glass transition temperatures. Their viscosities are in the range of 0.69-0.85. Their glass transition temperatures are in the range of 189-237 °C. Thermal stabilities for 10% weight loss (T10) are 187-218 °C and for 50% weight loss (T50) are in the range of 476-512 °C. The study of surface morphology showed nanoparticles and nanostructures.


Share this       
izmir escort izmir escort bursa escort antalya escort izmir escort porno porno izle türk porno eskişehir escort bartın escort burdur escort havalandırma izmir escort bursa escort porno indir izle escort izmir