Electrically conductive pasty or fluid material

Details Electrically conductive pasty or fluid material Electrically conductive pasty or fluid material

C - Chemistry, Metallurgy

09

D

C09D 5/24 (2006.01) H01B 1/20 (2006.01)

Patent

CA 2215474

An electrically conductive pasty or fluid surface coating material particularly suitable for radiant heating is disclosed. The material comprises a surface coating binder typically containing 20-80 wt % of conductive fillers consisting of a lamellar mineral substrate coated with a powder based on a double oxide or double oxide mixture, said double oxide(s) having formula AxB1-xO5-x/2, wherein 0 < x < 1, A is selected from Ge, Sn and Pb, and B is selected from As, Sb and Bi. The use of said conductive fillers for making such electrically conductive pasty or fluid materials, and the use of said pasty or fluid materials, are also disclosed.

La présente invention a pour objet une matière fluide ou pâteuse électriquement conductrice, destinée à recouvrir une surface et convenant notamment pour le chauffage par rayonnement. Ladite matière renferme, de façon caractéristique, dans un liant pour revêtement de surface, de 20 à 80 % en poids de charges conductrices consistant en un support minéral lamellaire enrobé par une poudre à base d'un oxyde double ou d'un mélange d'oxydes doubles; le(s) dit(s) oxyde(s) double(s) répondant à la formule A x B1-x O5-x/2, dans laquelle: 0< x < 1, A est choisi parmi Ge, Sn, Pb; B est choisi parmi As, Sb, Bi. La présente invention a également pour objets l'utilisation desdites charges conductrices pour l'élaboration de telles matières fluides ou pâteuses électriquement conductrices et l'utilisation desdites matières fluides ou pâteuses.

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