Polymer blend and compositions and methods for using the same

Details Polymer blend and compositions and methods for using the same Polymer blend and compositions and methods for using the same

C - Chemistry, Metallurgy

08

L

C08L 81/02 (2006.01) C08L 81/04 (2006.01)

Patent

CA 2579661

A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.

L'invention concerne un mélange de polymères possédant au moins un composé de polysulfide et au moins un composé de polythioéther. Ledit mélange de polymères offre de nombreux avantages, notamment, la capacité de comptabiliser des préparations à partir d'une chimie de polysulfide ou d'une chimie de polythioéther. Ladite invention a aussi pour objet des compositions renfermant le mélange de polymères, plus spécifiquement, des préparations d'agents d'étanchéité destinées à des applications dans le domaine aérospatial, ainsi que des ensembles d'agents d'étanchéité multicouche et des procédés de réparation associés.

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