C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
134/46, 400/5924
C09D 1/00 (2006.01) C08J 3/05 (2006.01) C08K 5/00 (2006.01) C08L 27/12 (2006.01) C09D 5/44 (2006.01)
Patent
CA 1087776
ABSTRACT OF THE DISCLOSURE The present invention provides a stable aqueous disper- sion of positively charged polyfluorocarbon resin particles, which resin particles have an average particle size of less than about 10 µm, which dispersion contains a cationic fluorocarbon surfac- tant and a nonionic surfactant, said nonionic surface active com- pound being a fluorocarbon compound; the molar ration between the cationic surface active compound and the nonionic surface active fluorocarbon compound being between 25:1 and 1:3.5; and the total amount of surface active fluorocarbon compounds being at least 3x10-3 mmoles per m2 of surface area of the polyfluorocarbon par- ticles. The dispersions are suitable for use in electroplating processes such as described in British Patent 1,424,617 or as coat- ing formulations such as described in U.S. Patent 3,692,727. Other industrial uses of the dispersions according to the present inven- tion are the manufacture of electrical insulators and conveyor belts. Another interesting application is the impregnation with the present dispersions of porous coating layers.
262585
Groot Robert C.
Helle Kees
Akzo N.v.
Marks & Clerk
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