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B. Szczepaniak, M Sławecki, J. Rejdych


The effect of contaminants in the low-molecular-weight Bisphenol A

epoxide resin on the rate of its reaction with Bisphenol A


Polimery 1984, No 7, 234



DOI: dx.doi.org/10.14314/polimery.1983.234

Summary

It has been observed that various batches of the commercial Bisphenol A low-molecular-weight epoxide resins differ in the rate of their reaction under identical conditions with Bisphenol A. Technological contaminants, namely glycerin and sodium chloride, have been detected in the resin. It has been found that changes in their content in the resin are the reason of the differences in their reactivity. Studies carried out with model systems have revealed a synergetic effect in the system of glycerin and sodium chloride. Sodium chloride has solely catalytic effect , whereas glycerin takes part in the reaction with epoxide resin.


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