Nitric acid hydrolysis of polyamides

Details Nitric acid hydrolysis of polyamides Nitric acid hydrolysis of polyamides

C - Chemistry, Metallurgy

07

C

C07C 55/14 (2006.01) C07C 51/06 (2006.01) C07C 55/02 (2006.01) C07C 55/18 (2006.01) C07C 63/24 (2006.01) C07C 63/26 (2006.01) C07C 209/62 (2006.01) C07C 211/09 (2006.01) C07C 211/51 (2006.01) C07D 295/02 (2006.01)

Patent

CA 2225381

Dicarboxylic acid and diamine are recovered from polyamides by hydrolysis with nitric acid, followed by separation of the dicarboxylic acid, and hydrogenation of the nitric acid, and then recovery of the diamine.

On récupère l'acide dicarboxylique et la diamine de polyamides par hydrolyse par l'acide nitrique, suivie de la séparation de l'acide dicarboxylique et de l'hydrogénation de l'acide nitrique, puis de la récupération de la diamine.

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