Use of a catalytic system for lactide and glycolide...

Details Use of a catalytic system for lactide and glycolide... Use of a catalytic system for lactide and glycolide...

C - Chemistry, Metallurgy

08

G

C08G 63/87 (2006.01) B01J 31/10 (2006.01)

Patent

CA 2559570

The use of a catalytic ring-opening lactide and glycolide (co)oligomerization system consisting of a strongly acidic ion-exchange resin-type polymeric catalyst and a (co)oligomerization additive, and a lactide and glycolide (co)oligomerization method using said catalytic system, are disclosed.

La présente invention concerne l'utilisation d'un système catalytique de (co)oligomérisation du lactide et du glycolide par ouverture de cycle, ledit système constitué d'un catalyseur polymèrique de type résine échangeuse d'ions à caractère acide fort, et d'un additif de (co)oligomérisation. La présente invention concerne également un procédé de (co)oligomérisation du lactide et du glycolide comprenant l'utilisation d'un tel système catalytique.

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