abstract |
A perfluoroelastomer gum having a nitrogen-containing curing site and terminal groups represented by -CF 3 , -CF 2 H, -CFH 2 and / or -CH 3 , The composition having a low carbonyl-containing end group ratio, resulting in a cured fluoroelastomer having an improved storage seal, and a method of making the same, and articles therefrom are disclosed. |