C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/78 (2006.01) C08G 18/83 (2006.01) C08G 63/80 (2006.01) C08G 63/91 (2006.01) C08G 64/20 (2006.01) C08G 64/42 (2006.01) C08G 69/04 (2006.01) C08G 69/44 (2006.01) C08G 69/48 (2006.01) C08J 3/22 (2006.01) C08L 67/02 (2006.01)
Patent
CA 2431823
The invention is a novel method for the late introduction of additives into 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 un procédé d'introduction tardive d'additifs dans des polycondensats. Ce procédé fait intervenir un excipient réactif qui fonctionne comme véhicule d'apport pour un ou plusieurs additifs. L'excipient réactif réagit avec les polycondensats, liant ainsi l'excipient réactif à la résine polymère et empêchant l'excipient réactif de sortir de la résine polymère pendant un traitement thermique ultérieur.
Edwards Walter Lee
Moore Tony Clifford
Nichols Carl Steven
Schiavone Robert Joseph
Sim & Mcburney
Wellman Inc.
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