Composition and method for inhibiting polymerization and...

Details Composition and method for inhibiting polymerization and... Composition and method for inhibiting polymerization and...

C - Chemistry, Metallurgy

09

K

C09K 15/04 (2006.01) C07C 7/20 (2006.01)

Patent

CA 2392526

A method for inhibiting the premature polymerization and the polymer growth of ethylenically unsaturated monomers is disclosed wherein the method comprises adding to said monomers an effective amount of at least one hydrogen donor or electron acceptor. In a preferred embodiment, the hydrogen donor or electron acceptor is used in combination with a stable nitroxyl free radical.

L'invention concerne un procédé permettant d'inhiber la polymérisation prématurée et la croissance polymérique des monomères éthyléniquement insaturés, lequel procédé est caractérisé en ce qu'il consiste à ajouter auxdits monomères une quantité efficace d'un donneur d'hydrogène ou d'un accepteur d'électrons au moins. Dans un mode de réalisation préféré, le donneur d'hydrogène ou l'accepteur d'électrons est utilisé en combinaison avec un radical libre nitroxyle stable.

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