Synthesis, characterization, and polymerization of vinylmelamines
2011
Vinyl functionalized melamine derivatives for cross-linking based on polymerization were synthesized as potential substitutes for harmful formaldehyde in melamine resins. Methylmelamines undergo direct vinylation with acetylene to the corresponding vinylmelamines in more than 95% conversion. Their chemical structures were fully characterized by mass spectrometry, Fourier transform infrared (FTIR) spectroscopy, elementary analysis, 1 H, 13 C, and 2D correlation nuclear magnetic resonance (NMR) experiments. Linear and cross-linked polymers were pre- pared by free radical polymerization neat and in solution and characterized by size exclusion chromatography (SEC) and matrix-assisted laser desorption ionization time-of- flight (MALDI-ToF) mass spectrometry.
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