| abstract |
Described herein is the curing of a fluorinated elastomeric gum with peroxide and a co-agent of Formula I or salt thereof, wherein Formula I is (CH2=CHCH2)2-L1-Rf-L2-(CH2CH=CH2)n(H)2-n wherein L1 is -NSO2- or -NCO-; L2 is -SO2N- or -CON-; n is 1 or 2; and Rf is a divalent perfluorinated carbon group, optionally comprising at least one ether linkage; and cured articles therefrom. |