Elastomer products having acoustic damping properties

Details Elastomer products having acoustic damping properties Elastomer products having acoustic damping properties

C - Chemistry, Metallurgy

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C08L 21/00 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01) C08L 19/00 (2006.01) C08L 23/16 (2006.01) C08L 23/22 (2006.01) C09D 109/00 (2006.01) C09D 121/00 (2006.01) C09J 109/00 (2006.01) C09J 121/00 (2006.01) C09J 123/22 (2006.01) C09K 3/10 (2006.01)

Patent

CA 2205953

Heat-setting reactive compounds with a single component based on liquid rubber with reactive olefinic double bonds and optionally solid rubber and sulphur- based vulcanisation systems have a high acoustic loss factor maximum at the vulcanised state in a large range of use temperatures from about +10 ~C to +40 ~C. These compositions may also contain finely powdered thermoplastic polymers. These compositions are useful as acoustically attenuating adhesives, sealing or coating masses.

Des compositions réactives durcissables à chaud à un seul composant à base de caoutchouc liquide avec des liaisons doubles oléfiniques réactives et, le cas échéant, à base de caoutchouc solide et de systèmes de vulcanisation à base de soufre présentent, à l'état vulcanisé, un facteur maximum élevé de perte acoustique dans une large plage de températures d'utilisation comprise entre +10 ~C et +40 ~C environ. Ces compositions contiennent le cas échéant des polymères thermoplastiques supplémentaires finement pulvérisés. Ces compositions sont utiles comme adhésifs insonorisants et comme masses d'étanchéité ou de revêtement insonorisantes.

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