The Synthesis of a New Glycoluryl–Melamine–Formaldehyde Polymer under the Action of HEDP and the Investigation of the Content of Methylol Groups and Free Formaldehyde
Kanasheva N. Ukhov A. Malkov V.S. Gubankov A. Sergazina S. Issabayeva M.A. Mashan T. Kolpek A. Ryskaliyeva R. Bakibaev A. Yerkassov R.
October 2024Multidisciplinary Digital Publishing Institute (MDPI)
Polymers
2024#16Issue 20
This study outlines a method for preparing a complex involving glycoluril and melamine (GU-ME). The structure of the resultant complex was analyzed using IR and NMR spectroscopy. In the subsequent phase, the polymer GUMEFA was derived from the resultant complex, employing hydroxyethylidene diphosphonic acid (HEDP) as a sustainable plasticizer, with a proposed chemical mechanism for its formation. The molecular weight of the resulting GUMEFA was analyzed, and the formation chemistry was proposed. GUMEFA was characterized, and its free formaldehyde and methylol group contents were investigated. It was observed that GUMEFA prepared with HEDP contained approximately 1.15–1.34 wt.% free formaldehyde and 1.56–0.54 wt.% methylol groups. These findings provide valuable insights for developing resins of different compositions and applications, thereby paving the way for producing composite materials with tailored properties.
free formaldehyde in polymers , glycoluryl , glycoluryl–melamine–formaldehyde resins , HEDP
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Department of Chemistry, L.N. Gumilyov, Eurasian National University, Astana, 010008, Kazakhstan
Faculty of Chemistry, National Research Tomsk State University, Tomsk, 634028, Russian Federation
Department of Chemistry and Biotechnology, Sh. Ualikhanov University, Kokshetau, 020000, Kazakhstan
Department of Chemistry and Chemical Technologies, Toraighyrov University, Pavlodar, 140008, Kazakhstan
Faculty of Chemistry and Chemical Technology, Department of General and Inorganic Chemistry, Al-Farabi Kazakh National University, Almaty, 050000, Kazakhstan
Department of Chemistry
Faculty of Chemistry
Department of Chemistry and Biotechnology
Department of Chemistry and Chemical Technologies
Faculty of Chemistry and Chemical Technology
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