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Original Articles Open Access
n this research, 2- hydroxyethyl methacrylate rand om copolymers with co-monomer methyl methacrylate ( MMA), molar ration (1:1) is synthesized in the demethylfo rmaid by free radical polymerization in presence of AIBN at temperature of 65-70 C ° . Then 2-hydroxyethyl methacrylate random copolymer s are modified by bonding on 3, 5- dinitrobenzoic acid polymer and modified in presenc e of DCC and DMAP. DCC plays a fundamental role in organic chemistry and it is used as activator and h ydrophilic agent in decomposing of the organic comp ounds. One of the main methods in esterification is binding of carbodiemid which in acid and alcohol reaction nee ds to presence of DCC and DMAP as catalyst. The results show that by forming 3, 5- dinitrobenzoic acid bond on the polymer since chains a set of new polymers with new propert ies are formed which can be used in polymer industr y widely. The primary and reactive structures of polymer have been confirmed in each step by techniques H-NMR, D MTA and FT-IR.
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Author(s): Nastaran Irani Mohammad Hossein Nasirtabrizi Samaneh Sattar Zadeh and Maryam Nedaei
2-Hydroxy Ethyl methacrylate, 3, 5- di nitro benzoic acid, chemical modification and dynamic mechanical thermal analysis (DMTA)., Esterification,3,5-dinitrobenzoic acid, 2- hydroxyethyl methacrylate polymers