Abstract
The interaction between erythritol and 4-hexylresorcinol during heating was investigated by thermal analysis, powder X-ray diffractometry and infrared spectroscopy. A phase diagram was constructed by measuring the thermal behaviour of various resolidified physical mixtures of erythritol and 4-hexylresorcinol. The phase diagram revealed complex formation between erythritol and 4-hexylresorcinol with incongruent melting at 84°C; the stoichiometry was a molar raio of 1:2 erythritol:4-hexylresorcinol. The complex gave diffraction peaks at 2θ=5.6° and 11.2° in the X-ray powder diffraction pattern. In the infrared spectrum, a new peak due to the complex was observed at 3504 cm–1. The complex prepared by grinding and evaporation had the same molecular arrangement as the complex prepared by sealed heating.
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Zhou, L.M., Sirithunyalug, J., Yonemochi, E. et al. Complex Formation Between Erythritol and 4-hexylresorcinol. Journal of Thermal Analysis and Calorimetry 59, 951–960 (2000). https://doi.org/10.1023/A:1010190728963
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DOI: https://doi.org/10.1023/A:1010190728963