Method of producing low carboxyl high molecular weight...

Details Method of producing low carboxyl high molecular weight... Method of producing low carboxyl high molecular weight...

C - Chemistry, Metallurgy

08

G

402/175, 402/215

C08G 63/46 (2006.01) C08G 63/68 (2006.01) C08G 63/91 (2006.01)

Patent

CA 1060143

METHOD OF PRODUCING LOW CARBOXYL HIGH MOLECULAR WEIGHT POLYESTERS Abstract of the Disclosure There is disclosed an improved method for producing low carboxyl high molecular weight polyesters prepared by the addition to and reaction of a monomeric carbonate with a polycondensation product derived from the reaction of a dicarboxylic acid or C1 to C4 alkyl ester thereof and a glycol the improvement comprising carrying out said reaction in the presence of a catalytic alkali metal salt compound.

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