C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 2/04 (2006.01) C08F 20/22 (2006.01) C09D 127/12 (2006.01) C09D 133/16 (2006.01) C09K 3/18 (2006.01) D06M 15/277 (2006.01)
Patent
CA 2152793
A process for producing a water- and oil-repellent composition which comprises conducting solution polymerization of a polymerizable monomer at least containing a polyfluoroalkylated monomer in a polymerization solvent containing at least 5 wt.% of at least one compound selected from the group consisting of C2-C3 hydrochlorofluorocarbons which boil at 0-150 ~C and C4-C6 hydrofluorocarbons having at least four fluorine atoms.
L'invention concerne un procédé pour produire une composition hydrophobe et oléophobe. Ce procédé consiste à polymériser une solution d'un monomère pouvant être polymérisé contenant au moins un monomère polyfluoroalkylé dans un solvant de polymérisation. Ce dernier contient au moins 5 % en poids d'au moins un composé sélectionné dans le groupe comportant des hydrochlorofluorocarbures C¿2?-C¿3? dont le point d'ébullition se situe entre 0 et 150 ~C et des hydrofluorocarbures C¿4?-C¿6? comportant au moins quatre atomes de fluor.
Hayashi Kazunori
Kubo Motonobu
Daikin Industries Ltd.
Osler Hoskin & Harcourt Llp
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