Methods of preparing polyesters from cycle organic carbonates in

Details Methods of preparing polyesters from cycle organic carbonates in Methods of preparing polyesters from cycle organic carbonates in

1996-09-26

1998-02-03

Mosley, Terressa

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528190, 528193, 528194, 528198, C08G 6400

Patent

active

057145687

ABSTRACT:
A process for preparing an esterification product is disclosed. The process comprises providing a polyfunctional organic acid or anhydride, a cyclic organic carbonate compound, and a catalyst selected from the group consisting of an alkali metal, an alcohol-derived salt of the alkali metal, and mixtures thereof, and reacting the polyfunctional organic acid or anhydride and the cyclic organic carbonate compound in the presence of the catalyst to form the esterification product.

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