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Materiale Plastice
https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice, Volume 40, Issue 1, pp. (2003)


Fanica Mustata, Ioan Bicu

The Synthesis and Characterization of Some p-Aminophenol/o-Cresol/Formaldehidic Resins


Abstract:
The ortocresol, the p-aminophenol and the formaldehyde were taken in different molar ratios and condensed in the presence of hydrocloric acid as catalyst and of toluene) N-methyl pyrolidone mixture as extraction agent of the reaction water. The condensing products are polymers with a low molecular mass, friable solid substances soluble in polar organic solvents which show colors from transparent pink for the ortocresolformaldehidic resin, to dark brown for the p-amino-phenolformaldehidic one. The obtained formaldehidic resins were structurally characterized using IR and 1H-RMN spectroscopy. The thermal properties were also investigated.


Keywords:
p-aminophenol; o-cresol; formaldehyde

Issue: 2003 Volume 40, Number 1
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