Process for the preparation of terephthalate bis - (beta - hydroxyethyl) from terephthalic acid and ethylene oxide, as well as the bis - polyethylene terephthalate (beta - hydroxyethyl) in accordance with those obtained by the present process or a similar process

摘要

Bis-(2-hydroxyethyl) terephthalate is prepared from terephthalic acid and ethylene oxidesW by effecting the reaction in a halogenated hydrocarbon or in an alkyl ester of a carboxylic acid and in presence of a tertiary amine catalyst.