Polymerization process

Details Polymerization process Polymerization process

C - Chemistry, Metallurgy

08

G

C08G 85/00 (2006.01) C08G 63/78 (2006.01) C08G 69/28 (2006.01)

Patent

CA 2611440

A process for the production of polymers in which an oligomeric precursor is formed first in a melt phase. A phase transition is then induced in the polymerizing reaction medium under the action of shear in such a way that the simultaneous action of the shear, and the ongoing polymerization through the phase transition produces a product that is in a powdered form.

La présente invention concerne un procédé de production de polymérisation par lequel le précurseur oligomère se forme d'abord à l'état fondu. Il y a alors induction d'une transition de phase dans le milieu de réaction polymérisant par effet cisaillement, ce qui donne un produit en poudre sous l'action combinée du cisaillement et de la poursuite de la polymérisation pendant la durée de la transition de phase.

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