Synthesis and characterization of triazine-based dendrimers and their application in metal ion adsorption

• Published in: Journal of applied polymer science Vol. 123; no. 2; pp. 1245 - 1251
• Main Authors: Golikand, Ahmad Nozad, Didehban, Khadijeh, Irannejad, Leila
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc., A Wiley Company 15-01-2012; Wiley; Wiley Subscription Services, Inc
• Subjects: Applied sciences; Chlorides; dendrimer; Dendrimers; Diethanolamines; Ethylene; Exact sciences and technology; Joining; Materials science; Metal ions; metal sorption; Organic polymers; Physicochemistry of polymers; Polymers; Polymers with particular structures; Preparation, kinetics, thermodynamics, mechanism and catalysts; Sorption; Synthesis; triazine; End group; Metal ion; Ethylene oxide copolymer; Experimental study; Triazine derivative copolymer; Thermal stability; Chemical coupling; Ethylene oxide polymer; Monodispersed polymer; Triblock copolymer; Binding capacity; metal sorption; Aqueous medium; Doubly charged ion; Preparation; dendrimer; triazine; Chelating agent; Carboxyl group
• ISSN: 0021-8995; 1097-4628; 1097-4628
• DOI: 10.1002/app.33893

This article described the synthesis of triazine‐based dendrimers with poly(ethylene glycol) core by convergent method. Compound 1 was prepared by coupling of amino group of diethanolamine with cyanuric chloride in dry THF (tetrahydrofuran). Reaction of compound 1 with p‐aminobenzylamine resulted in compound 2. Compound 4 was synthesized using coupling reaction of amino group of compound 2 with cyanuric chloride, then coupling of amine groups of p‐aminobenzylamine with compound 3 in the hybrid solvents. The final dendrimer (den‐OH) were synthesized using reaction of dendron 4 with compound 5. Ethylene diaminetetraacetic acid modified final dendrimer were successfully prepared via coupling ethylene diaminetetraacetic acid dianhydride and den‐OH. The growth of dendrons and their structures were investigated by using usual spectroscopy methods and elemental analysis. The chelating behavior and sorption capacities of triazine dendrimers were determined in relation to pH dependency for some metal ions such as Cu+2, Ni+2, and Zn+2 using atomic absorption methods. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011