Process for producing aromatic polyesters

Details Process for producing aromatic polyesters Process for producing aromatic polyesters

C - Chemistry, Metallurgy

08

G

402/203, 402/204

C08G 63/195 (2006.01) C08G 63/82 (2006.01) C08G 63/83 (2006.01)

Patent

CA 2016992

ABSTRACT OF THE DISCLOSURE A process is described for producing shapable aromatic polyesters derived from bisphenol A and a dicarboxylic acid comprising isophthalic acid, terephthalic acid, or a mixture of the two, comprising forming a mixed anhydride of said dicarboxylic acid and acetic acid, and subsequently reacting said mixed anhydride with bisphenol A while drawing off acetic acid by-product to obtain said aromatic polyester.

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