Process for production of a polysuccinimide and derivatives...

Details Process for production of a polysuccinimide and derivatives... Process for production of a polysuccinimide and derivatives...

C - Chemistry, Metallurgy

08

G

C08G 73/10 (2006.01) C08G 69/10 (2006.01)

Patent

CA 2193198

Polysuccinimide is produced by thermal polymerization of a precursor or a reactant admixture that includes an unsaturated compound in a plate-type reactor (14) at temperatures sufficient to initiate polymerization and to form a brittle solid. The so-obtained polysuccinimide can be hydrolyzed to polyaspartic acid or to a polyaspartic acid salt, if desired. The precursor can be a monomer or a mixture of reactants that form polymerizable intermediates.

Selon l'invention, on produit un polysuccinimide par polymérisation thermique d'un précurseur ou d'un mélange de réactifs comprenant un composé insaturé, dans un réacteur à plaques (14), à des températures suffisantes pour amorcer la polymérisation et former un solide cassant. Le polysuccinimide ainsi obtenu peut être transformé par hydrolyse en acide polyaspartique ou en un sel d'acide polyaspartique, si désiré. Le précurseur susmentionné peut être un monomère ou un mélange de réactifs formant des intermédiaires polymérisables.

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