پديد آورنده :
يوسفيان، حامد
عنوان :
تهيه و شناسايي آميدها و پلي آميدها به روش ايزوسيانات در مايعات يوني، همچنين پلي آميدهاي پايدار حرارتي جديد با اتصال جانبي حجيم كايرال شامل قطعات زيست سازگار آمينو اسيد
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
شيمي آلي - پليمر
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده شيمي
صفحه شمار :
ده، 76، [II] ص.: مصور، جدول، نمودار
يادداشت :
ص. ع. به فارسي و انگليسي
استاد راهنما :
شادپور ملك پور
توصيفگر ها :
پلي ايميدها , بنزوئيك اسيد , فنيل ايزوسيانات , كاتاليزور DBTDL
تاريخ نمايه سازي :
12/3/86
استاد داور :
حسين لقماني خوزاني، مهران غياثي
تاريخ ورود اطلاعات :
1396/02/27
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتال
چكيده انگليسي :
76AbstractIn this project at first a series of amides were prepared by the reaction of the aromaticcarboxylic acids with both aromatic and aliphatic isocyanates in 1 3 diallylimidazoliumbromide as a solvent This reaction compared with the other reaction using conventionalsolvents such as N methyl pyrrolidone NMP N N dimethyl formamide DMF and toluene It revealed that by using ionic liquid as a solvent the better results in terms of yield andselectivity are obtained By using this reaction the polymerization of terephthalic acid witheither aromatic and aliphatic diisocyanates are carried out both in NMP and moltentetrabutylammonium bromide TBAB then the obtaining polyamides PA s are comparedwith each other in terms of inherent viscosity yield thermal stability and their colours On the next project starting from L phenylalanine phthalic anhydride and 5 aminoisophthalic acid the novel optically active amidic diacid 2s 5 3 phenyl 2 phthalimidylpropanoylamino isophthalic acid are prepared in three steps The chemicalstructure of this monomer was confirmed by spectroscopic techniques like FT IR 1H NMRand 13C NMR specific rotation and elemental analysis then the polyamidation of thismonomer with aromatic diamines are performed by using NMP triphenyl phosphate TPP calcium chloride CaCl2 Py as a medium via direct polycondensation reaction Theinherent viscosities of these polymers are in the range of 0 28 0 49 dL g Also they had goodsolubilties The chemical structure of these polymers are also characterized by FT IR 1 H NMR and elemental analysis At the end the similar polyamidation reactions are were inthe presence of TPP and 1 3 dipropylimidazolium bromide and the new optically acive PAsare obtained with inherent viscosity in the range of 0 30 0 52 dL g It showed the bettersolubilities yields and thermal stabilities than the previous method
استاد راهنما :
شادپور ملك پور
استاد داور :
حسين لقماني خوزاني، مهران غياثي
