Strong non-ionic base catalyzed ring opening polymerization...

Details Strong non-ionic base catalyzed ring opening polymerization... Strong non-ionic base catalyzed ring opening polymerization...

C - Chemistry, Metallurgy

08

G

C08G 69/20 (2006.01)

Patent

CA 2178719

Process for the ring opening polymerization of lactams to higher molecular weight polyamide polymers utilizing non-ionic polymerization catalyst base with a pKa of equal to or greater than 30, particularly certain strong, nitrogen and phosphorus containing non-ionic bases.

La présente invention concerne un procédé de polymérisation des lactames avec ouverture de noyau pour obtenir des polymères de polyamide de poids moléculaire élevé en utilisant une base catalytique de polymérisation non ionique d'un pKa égal ou supérieur à 30, et notamment certaines bases fortes non ioniques azotées et phosphorées.

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