Lubricating greases

Details Lubricating greases Lubricating greases

C - Chemistry, Metallurgy

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C10M 105/50 (2006.01) C08G 65/00 (2006.01) C08L 71/02 (2006.01) C10M 107/38 (2006.01) C10M 107/44 (2006.01) C10M 107/46 (2006.01) C10M 169/02 (2006.01)

Patent

CA 1316903

Abstract The present invention relates to new lubricating greas- es,the oily component of which is a perfluoropolyether or fluoro- polyether derivattve of formula R-O-Q-CFX-(Y)n-Z, having a number average molecular weight ranging from 1,500 to 10,000, where R is a perfluoroalkyl radical RF or it is Z-(Y)n-CFX; Q is a perfluoroalkylpolyethereal or fluoroalkylpolyethereal chain; X is F or CF3; Y is a linking divalent radical; n is zero or 1; Z is a radical selected from -CH2OH, -CH2OR1, -COOR2, -COR3R4 etc. ... or from particular radicals containing heteroatoms or particular aromatic radicals.

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