Heat stabilisation of phenolic bisphenol=A solns.

摘要

Heat stabilisation of phenolic bisphenol A solns. at 200-250 deg C, by the addn. of 5-100 ppm wt. alkali hydroxide to a 10-35 wt.% phenol soln. of the bisphenol at room temp., opt in the presence of its isomers.