Stabilizers with arylphosphinic structure for...

Details Stabilizers with arylphosphinic structure for... Stabilizers with arylphosphinic structure for...

C - Chemistry, Metallurgy

07

F

260/351, 260/613

C07F 9/50 (2006.01) C07F 9/53 (2006.01) C10M 137/12 (2006.01) C10M 147/04 (2006.01) C10M 169/04 (2006.01)

Patent

CA 1272203

Abstract of the Disclosure New products having the structure of arylphosphines or of derivatives of arylphosphines with an oxygen or sulphur atom directly bonded to the phosphorus atom, containing perfluoroalkylether chains, characterized in that such chains are bonded to the benzene ring through a non-perfluorinated bridge, and are obtained by a process substantially decreasing their production costs, and suitable to be used as stabilizers of perfluoropolyether oils and greases to prevent their degradation in the presence of metals, and the corrosion of the same metals, such as, e.g., Al, Ti, V, or their alloys, when operating in oxidizing and high-temperature environments.

507218

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