Fluoroelastomer composition

The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Cox, Michael J, Millefanti, Stefano, Bossolo, Stefano, Avataneo, Marco
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention pertains to a composition based on a fluoroelastomer comprising nitrile or carboxylate-type cure sites and including a curing agent and a Br-containing marker having reactivity towards the said cure-sites, which can be cured so as to deliver cured parts maintaining chemically bound bromine atoms; this material, when submitted to wear/damage would hence release Br-containing contaminants, which can easily spotted via notably an on-line mass spectrometer, so as to monitor and anticipate critical failures of sealing materials based there upon.