| http://www.w3.org/ns/prov#value | - Interfacial conditions are illustrated by reactions commonly employed to make bisphenol A polycarbonate, namely reaction at or near ambient temperature of a dihydroxy aromatic compound with phosgene in a mixture of water and a water immiscible solvent such as methylene chloride in the presence of a water soluble base (e.g. sodium hydroxide) and a catalyst such as triethylamine.
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