Preparation of polysuccinimide

Details Preparation of polysuccinimide Preparation of polysuccinimide

C - Chemistry, Metallurgy

08

G

C08G 73/10 (2006.01)

Patent

CA 2133621

The present invention relates to a process for the production of polysuccinimide by the thermal condensation of aspartic acid wherein the rate of reaction is increased by contacting the aspartic acid with a gas containing a catalytic amount of carbon dioxide. ~When the atmosphere in contact with the aspartic acid during the condensation reaction contains about 10 percent, by volume, carbon dioxide, substantially complete conversion to the polymer occurs within about one hour when the reaction is performed in a tray dryer.

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