List of Articles polycondensation Open Access Article Abstract Page Full-Text 1 - Synthesis and Characterization of New Poly(ether sulfones) from 4,4'-(arylpyridine-2,6-diyl)diphenol and Bis(fluorophenyl)sulfone Kamran Mahooti Masoud Mokhtary Hassan Kefayati Open Access Article Abstract Page Full-Text 2 - Preparation and Properties of Thermally Stable Polyureas Containing Ether and Ketone Units Mahshid Esfahanizadeh Shahram Mehdipour-Ataei Open Access Article Abstract Page Full-Text 3 - Synthesis and Characterization of New Copoly(amide-imide)s Based on 1,3- bis[4,4'-(trimellitimido)phenoxy]propane and Fumaric acid Khalil Faghihi Akram Feyzi Reza Mohammadi Pour