Process for the production of perfluoroalkyl residue...

Details Process for the production of perfluoroalkyl residue... Process for the production of perfluoroalkyl residue...

C - Chemistry, Metallurgy

08

G

117/194, 402/82

C08G 12/40 (2006.01) C07D 251/70 (2006.01) C08G 16/04 (2006.01)

Patent

CA 1187242

ABSTRACT OF THE DISCLOSURE The present invention relates to new condensation products of (A) 1 mole of a hexamothylol melamine, highly etherified with C1- to C4- alcohols, and (B) 3 to 6 moles of a thiol of the formula Rf-X-SH, Rf standing for perfluorinated alkyl with 4 to 14 carbon-atoms and X for divalent ethylene or isopropylene radicals, wherein the components (A) and (B) are reacted under increasing temperature up to at least 145°C within a period of at least 40 minutes, In the form of their aqueous dispersions, the condensation products are suitable for oil- and water- repellent finishing of fibrous, preferably textile, materials.

409840

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