C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/26 (2006.01) C08K 5/00 (2006.01) C08K 5/19 (2006.01) C08K 5/50 (2006.01) C08K 5/521 (2006.01) C08K 5/5397 (2006.01)
Patent
CA 2377410
A fluoroelastomer composition having improved compression set. The fluoroelastomer composition comprises: (1) a fluoroelastomer containing interpolymerized units of at least one perfluoroolefin, at least one perfluorovinyl ether, and a cure site component capable of participation in a peroxide cure reaction; (2) an additive selected from the group consisting of organo-oniums, phosphates, phosphine oxides, amine oxides, alkyl amines, and heterocyclic amines and salts of heterocyclic amines; (3) a peroxide curative, and (4) optionally a coagent.
L'invention porte sur une composition de fluoroélastomère présentant une déformation permanente moindre à la compression. Ladite composition comprend: (1) un fluoroélastomère contenant des unités interpolymérisées d'au moins une perfluorooléfine, au moins un éther de perfluorovinyle, et un composant de site de vulcanisation pouvant participer à la réaction de vulcanisation au peroxyde; (2) un additif choisi parmi des organo-oniums, des phosphates, des oxydes de phosphine, amine des oxydes d'amine, des alkylamines, et des amines hétérocycliques et leurs sels; (3) un peroxyde de vulcanisation, et (4) un co-agent facultatif.
Grootaert Werner M. A.
Kolb Robert E.
Dyneon Llc
Smart & Biggar
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