The complex [(C4H9O)3P=O]2ZnCl2 was synthesized. Its effects on urethane-formation kinetics via reaction of hydroxyl-containing oligomers and isocyanates were studied by IR spectroscopy; on polyurethane curing kinetics, by a rheological method. It was established that [(C4H9O)3P=O]2ZnCl2 was an effective catalyst that accelerated the initial step of regular structure formation during the synthesis of multi-component polyurethanes with low curing temperatures.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 80, No. 4, pp. 519–523, July–August, 2013.
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Volkova, E.R., Karmanov, V.I. & Tereshatov, V.V. Spectroscopic and Rheokinetic Properties of [(C4H9O)3P=O]2ZnCl2 . J Appl Spectrosc 80, 505–509 (2013). https://doi.org/10.1007/s10812-013-9796-2
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DOI: https://doi.org/10.1007/s10812-013-9796-2