Improved stabilizer cyanoacrylate formulations

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 2/42 (2006.01)

Patent

CA 2624077

A stabilized adhesive composition is provided including one or more polymerizable cyanoacrylate monomers, a first free radical stabilizer in a stabilization effective amount, and a second free radical stabilizer in a stabilization effective amount. The free radical stabilizers are selected to minimize mutagenicity in the composition and are used in amounts which provide adequate stabilization for long term storage while reducing disadvantageous effects of the free radical stabilizers. The stabilized adhesive composition further may include a first anionic stabilizer comprising a vapor phase anionic stabilizer and a second anionic stabilizer comprising a liquid phase anionic stabilizer. The stabilized adhesive composition may also include or be used with a polymerization initiator. Methods for the application of the stabilized adhesive compositions to living tissue are also provided.

L'invention concerne une composition adhésive stabilisée contenant un ou plusieurs monomères de cyanoacrylate polymérisables, un premier stabilisateur de radicaux libres en une quantité efficace garantissant la stabilisation, et un second stabilisateur de radicaux libres en une quantité efficace garantissant la stabilisation. Les stabilisateurs de radicaux libres sont sélectionnés pour minimiser la mutagénicité dans la composition, et sont utilisés dans des quantités permettant une stabilisation pour un stockage à long terme tout en réduisant les effets nocifs des stabilisateurs de radicaux libres. La composition adhésive stabilisée peut également contenir un premier stabilisateur anionique formé d'un stabilisateur anionique en phase vapeur et un second stabilisateur anionique formé d'un stabilisateur anionique en phase liquide. La composition adhésive stabilisée peut également contenir ou être utilisée avec un activateur de polymérisation. L'invention concerne également des méthodes d'application des compositions adhésives stabilisées sur des tissus vivants.

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