Cement for particle filter
AssigneeSaint-Gobain Centre De Recherches Et D'Etudes Europeen
InventorsSébastien Bardon, Anthony Briot, Gaëtan Champagne, Vincent Gleize
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Abstract
Jointing cement intended in particular for fastening together a plurality of filter blocks of a filtering body of an exhaust gas particle filter of an internal combustion engine of a motor vehicle, having a silicon carbide (SiC) content of between 30% and 90%. The cement according to the invention includes at least 0.05% and less than 5% of a thermosetting resin, the percentages being percentages by weight relative to the total weight of the thermosetting resin and the mineral material, apart from the possible water.
Claims9
A cement intended in particular for fastening together a plurality of filter blocks of a filtering body of an exhaust gas particle filter of an internal combustion engine of a motor vehicle, or to be used as a peripheral coating for such a filtering body, said cement comprising a silicon carbide content of more than 60% and 90% or less, and comprising at least 0.05% and less than 1% of a thermosetting resin, the percentages being percentages by weight relative to the total weight of the thermosetting resin and the mineral material, apart from the possible water, said cement further comprising alumina and silica, the silicon carbide, alumina and silica representing in total at least 95% of the total weight of the thermosetting resin and the mineral material, apart from the possible water, said cement not containing ceramic fibers.
Dependencies are inferred from the claim text.