[EN] TREATMENTS FOR NON-CAKING MINE ROCK DUST<br/>[FR] TRAITEMENTS DE POUSSIÈRE NON-AGGLUTINANTE DE ROCHE DE MINE
申请人:IMERYS PIGMENTS INC
公开号:WO2015054286A1
公开(公告)日:2015-04-16
A composition for use as rock dust is disclosed. The composition may include an inorganic particulate material treated with at least one surface treatment. The surface treatment may include at least one of a fatty acid, a salt thereof, or an ester thereof, silicone oil, silane, or siloxane. Also disclosed is a composition that may include coal dust and mine rock dust including a inorganic particulate material treated with at least one a fatty acid, a salt thereof, or an ester thereof, silicone oil, silane, or siloxane. The mine rock dust may be sufficient to render the coal dust explosively inert. A composition may include a mine rock dust that may pass 20-L explosibility test or may pass ASTM E1515 explosibility test. A composition may include a mine rock dust that may have a dispersion greater than or equal to about 0.1 % by weight.