C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/24 (2006.01) C09D 5/08 (2006.01)
Patent
CA 2278352
The invention relates to a coating composition, a dispersion of electrically conductive particles in a dispersant, which consists of at least an electrically conductive polymer precipitated or adsorbed onto a first binder, containing a non-doping polymer, the coating composition containing 50 to 99 wt.% of a second binder, relative to the total amount of solid substance present, and the dispersant containing a non-aqueous solvent. The invention also relates to a process for preparing the coating composition and to the use thereof in an anticorrosive paint, to the anticorrosive paint based on the coating composition according to the invention and to the metal objects protected with it.
L'invention concerne une composition de revêtement, une dispersion de particules électroconductrices dans un dispersant, qui consiste en au moins un polymère électroconducteur précipité ou adsorbé sur un premier liant, contenant un polymère non dopant, la composition de revêtement contenant 50 à 99 % en poids d'un deuxième liant, par rapport à la quantité totale de substance solide présente et le dispersant contenant un solvant non aqueux. L'invention porte aussi sur un procédé de préparation de la composition de revêtement et à son utilisation dans une peinture anticorrosion, sur la peinture anticorrosion contenant ladite composition de revêtement et sur des objets métalliques protégés par celle-ci.
Dsm N.v.
Fetherstonhaugh & Co.
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