Methods of post-polymerization injection in condensation...

Details Methods of post-polymerization injection in condensation... Methods of post-polymerization injection in condensation...

C - Chemistry, Metallurgy

08

G

C08G 63/78 (2006.01) C08G 18/83 (2006.01) C08G 63/91 (2006.01) C08G 64/20 (2006.01) C08G 64/42 (2006.01) C08G 69/48 (2006.01) C08G 85/00 (2006.01)

Patent

CA 2431637

The invention is a novel method for the late introduction of additives into a process for making condensation polymers. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the condensation polymers, thereby binding the reactive carrier in the polymer resin and preventing the emergence of the reactive carrier from the polymer resin during subsequent thermal processing.

L'invention concerne une nouvelle technique d'introduction tardive d'adjuvants dans un procédé de fabrication de polycondensats. Cette technique fait intervenir un support réactif qui agit comme un vecteur pour un ou plusieurs adjuvants. Ce support réactif réagit avec les polycondensats, ce qui a pour effet de lier le support réactif à la résine polymère et d'empêcher l'émergence du support réactif de la résine polymère au cours du traitement thermique ultérieur.

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