Process of manufacturing diaryl esters of dicarboxylic acids

Details Process of manufacturing diaryl esters of dicarboxylic acids Process of manufacturing diaryl esters of dicarboxylic acids

1982-09-24

1984-11-13

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260455R, 560 11, 560 18, 560 21, 560 37, 560 52, 560 73, 560 85, 568 15, 203DIG6, C07C 6708

Patent

active

044827334

ABSTRACT:
An improved process for preparing diaryl esters of dicarboxylic acids is disclosed, in which the esterification reaction is optimized by gradually increasing the temperature at which the reaction is being conducted according to a predetermined pattern. The temperature increase should be a function of the degree of esterification. The diaryl esters so prepared are useful in making linear polyesters.

REFERENCES:
patent: 3356712 (1967-12-01), Renckhoff et al.
patent: 3389164 (1968-06-01), Renckhoff et al.
patent: 3413336 (1968-11-01), Hulsmann et al.
patent: 3471549 (1969-10-01), Hulsmann et al.
patent: 3772389 (1973-11-01), Lowrance

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