| 摘要 |
PCT No. PCT/FR96/00164 Sec. 371 Date Aug. 5, 1996 Sec. 102(e) Date Aug. 5, 1996 PCT Filed Jan. 31, 1996 PCT Pub. No. WO96/23745 PCT Pub. Date Aug. 8, 1996Composition for a coating protecting the surfaces of carbon-containing products exposed to a hot, oxidizing environment such as the parts of anodes not immersed in the molten salt bath and the liners of the aluminum electrolysis cells and more generally the non-immersed parts of carbon-containing refractory elements used in electrolysis conducted below 950 DEG C. in a molten salt bath, comprising a geopolymer, preferably in the fluoropoly(sialate-disiloxo) family, the other components possibly being water as well as alumina and/or a refractory other than silica. Coating protecting the surfaces of carbon-containing products exposed to a hot, oxidizing environment such as the non-immersed parts of carbon-containing refractory elements used in electrolysis conducted below 950 DEG C. in a molten salt bath, including polysilicates and at least one inorganic polymer in the poly(sialate) family, preferably fluoropoly(sialate-disiloxo), also possibly with alumina or another refractory other than silica. Anode of an aluminum electrolysis cell coated with said coating. |
