abstract |
Vulcanization of fluoroelastomers based on vinylidene fluoride by means of a polyhydroxyl aromatic compound, a divalent metal compound of basic nature and an accelerator consisting of a salt of bis(triarylphosphin)-imidinium of general formula: n wherein: n = 1 or 2 Ar = an aryl group X = a mono- or divalent anion. |