The invention provides a compound and tautomeric forms thereof having the formula:
wherein R
f
1
is selected from the group consisting of hydrogen, a straight chain, branched secondary or branched tertiary C
1
-C
20
perfluoroalkyl group optionally containing ether or thioether linkages and C
1
-C
10
perfluoroalicyclic group optionally containing ether or thioether groups; R
f
2
is a straight or branched C
1
-C
20
perfluoroalkylene group optionally substituted with ether and thiother linkages; and X is selected from the group consisting of fluorine and
The invention also provides perfluoroelastomeric compositions cured with the perfluoroimidoylamidines of the invention as well as combinations of perfluoroimidoylamidines and other curing agents.
本发明提供了一种化合物及其互变异构体,其具有以下公式:其中Rf1选自羟基,直链,支链二级或支链三级C1-C20
全氟烷基,可选地含有醚或
硫醚键和C1-C10
全氟螺环基,可选地含有醚或
硫醚基;Rf2是直链或支链C1-C20
全氟烷基,可选地取代醚和
硫醚键;X选自
氟和
氯。本发明还提供了使用本发明的
全氟亚胺酰胺固化的
全氟弹性体组合物,以及
全氟亚胺酰胺固化剂和其他固化剂的组合物。