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Spectroscopic and Rheokinetic Properties of [(C₄H₉O)₃P=O]₂ZnCl₂

Author： Volkova E. Karmanov V. Tereshatov V.

Publisher： Springer Publishing Company

ISSN： 0021-9037

Source： Journal of Applied Spectroscopy, Vol.80, Iss.4, 2013-09, pp. : 505-509

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract

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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