Coatings based on fluoropolyethers

Details Coatings based on fluoropolyethers Coatings based on fluoropolyethers

C - Chemistry, Metallurgy

08

G

C08G 65/32 (2006.01) C08G 18/50 (2006.01) C08G 18/71 (2006.01) C08G 18/80 (2006.01) C08G 59/30 (2006.01) C08G 65/00 (2006.01) C08G 65/48 (2006.01) C08J 3/24 (2006.01) C09D 171/00 (2006.01) C09D 171/02 (2006.01)

Patent

CA 2171229

Use of fluorinated polymers based on fluoropolyethers for the preparation of crosslinkable high dry formulations com- prising a fluorinated part RF and optionally an hydrogenated part RH, not containing groups capable of linking by means of hydrogen bonds to basic acceptors, an hydrogenated part Rh1 and Rh2, wherein Rh1 is equal to or different from Rh2, and Rh1 and/or Rh2 being linking bonds containing at least a functional group capable of linking by means of hydrogen bonds with basic acceptors, the bonds joining the fluorina- ted part to the hydrogenated part being of ether C-O simple type, the terminals T'a and T'' being such as to render the structure mono-, bi- or polyfunctional, and subsequent cro- sslinking of the fluorinated polymer, the monofunctional products being always in admixture with a resin having even a higher functionality than the described type; the prefer- red fluorinated products have the formula: T''- (Rh2) y (RH) x -RF- (RH)x - (Rh1)y' T'a

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